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max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers ________________________________________________________________ maxim integrated products 1 19-1988; rev 3; 1/07 general description the max5902/max5903 are hot-swap controllers that allow a circuit card to be safely hot plugged into a live backplane without causing a glitch on the power-sup- ply rail. these devices operate from +9v to +72v and provide the simplest hot-swap solution by eliminating all external components except the external p-channel mosfet. the max5902/max5903 limit the inrush current to the load and provide a circuit-breaker function for overcurrent protection. during startup the circuit-breaker function is disabled and the max5902/max5903 limit the inrush cur- rent by gradually turning on the external mosfet. once the external mosfet is fully enhanced, the circuit-break- er function is enabled and the max5902/max5903 pro- vide overcurrent protection by monitoring the voltage drop across the external mosfet? on-resistance. the max5902/max5903 include an undervoltage lock- out (uvlo) function, on/ off control input, and a power-good status output, pgood (max5902) or pgood (max5903). a built-in thermal shutdown fea- ture is also included to protect the external mosfet in case of overheating. the max5902/max5903 offer latched or autoretry fault management and are available with 300mv, 400mv or 500mv circuit-breaker thresholds. both the max5902 and max5903 are available in small sot23 and tdfn pack- ages, and are specified for the extended -40? to +85? temperature range. for specific ordering information, see the selector guide at the end of the data sheet. applications network routers servers network switches raid base station line industrial systems cards features ? wide +9v to +72v operation ? requires no external sense resistor ? drives external p-channel mosfet ? limits inrush current ? circuit-breaker function ? less than 2ma quiescent current ? on/ off input permits load power-supply control and sequencing ? adjustable undervoltage lockout ? power-good output with +72v rating ? latching or automatic retry fault management ? thermal shutdown helps protect the external mosfet ? available in two small packages 6-pin tdfn and sot23 ordering information part temp range pin- package pkg code max5902 _ _eut-t+* -40 c to +85 c 6 sot23-6 u6f+6 max5902_ _ett-t+* -40 c to +85 c 6 tdfn-6 t633+2 max5903 _ _eut-t+* -40 c to +85 c 6 sot23-6 u6f+6 max5903_ _ett-t+* -40 c to +85 c 6 tdfn-6 t633+2 * for specific part numbers see the selector guide at end of data sheet. + denotes lead-free package. gnd 16 on/off 5 pgood (pgood) v s max5902 max5903 sot23-6 top view ( ) are for max5903 only. 2 34 drain gate pin configurations typical operating circuits gnd on/off hot-swap controller v s gnd 50w isolated power supply v in (-) on/off lucent jw050a1 v in (+) gate drain pgood +48v backplane circuit card irfr5410 max5902 simple swapper is a trademark of maxim integrated products, inc. pin configurations continued at end of data sheet. typical operating circuits continued at end of data sheet. for pricing, delivery, and ordering information, please contact maxim/dallas direct! at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com.
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics (v s = +9v to +72v, gnd = 0v, on/ off open circuit, t a = -40 c to +85 c, unless otherwise noted. typical values are at v s = +48v and t a = +25 c.) (notes 1, 2) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. terminal voltage (with respect to gnd unless otherwise noted) v s , drain, pgood, pgood ................................-0.3v to +76v on/ off ....................................................................-0.3v to +4v gate to v s ............................................................-12v to +0.3v current into any pin ............................................................?ma continuous power dissipation (t a = +70 c) 6-pin sot23 (derate 9.1mw/ c above +70 c)..........727mw 6-pin tdfn (derate 18.2mw/ c above +70 c) .......1454mw junction to case thermal resistance, jc (tdfn) ..............................8.5 c/w maximum junction temperature .....................................+150 c storage temperature range .............................-60 c to +150 c parameter sym b o l c o nd it io n s m in t yp m a x u n it s supply voltage v s 972v supply current i gnd m easur ed out of g n d , p go o d or pgood op en ci r cui t, d rain = v s 12ma v s = +36v to +72v 91011 external gate drive v gs v s - v gate v s = +9v 8 8.5 v v s = +36v to +72v 5918 load voltage slew-rate magnitude sr | dv drain /dt | c l = 10? v s = +9v 3611 v/ms default undervoltage lockout v uvlo v s increasing 28.5 31.5 34.5 v undervoltage lockout hysteresis 3.5 v on/ off pin input resistance r on/ off 19 32 52 k ? drain to gnd resistance r dgnd 900 k ? drain to v s resistance r ds 650 k ? on/ off reference threshold v on/ off v on/ off increasing 1.14 1.26 1.38 v on/ off hysteresis 140 mv start delay (note 3) t on 80 150 280 ms on/ off off delay (note 4) t off v s - v gate < 1v 51018ms max590_ _aeut 200 300 460 max590_ _beut 280 400 540 circuit-breaker threshold v cb v s - v drain max590_ _ceut 400 500 660 mv c gate = 1nf 2 6.5 c gate = 4.7nf 411 circuit-breaker delay (note 5) t cb (v s - v drain ) > v cb until (v s - v gate ) < 1v, 200mv overdrive step c gate = 10nf 717 ? restart delay (note 3) t rs after circuit breaker event, max590_ a_eut only 80 150 280 ms p ow er - g ood o utp ut low v ol tag e v ol i ol = 1ma 0.3 0.6 v
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers _______________________________________________________________________________________ 3 note 1: all currents into device pins are positive, all currents out of device pins are negative, and all voltages are referenced to gnd, unless otherwise noted. note 2: all specifications are 100% tested at t a = +25?, unless otherwise noted. specifications over -40? to +85? are guaran- teed by characterization. note 3: this is the delay time from a valid on condition until v gs begins rising. valid on conditions are: the device is not in undervolt- age lockout; on/ off is not driven low; and the device is not in thermal shutdown. note 4: this is the delay from a valid low on on/ off until v gs falls. pulses on on/ off less than t off are ignored, offering glitch immunity. note 5: guaranteed by characterization, not production tested. c gate is a capacitor from gate to v s . electrical characteristics (continued) (v s = +9v to +72v, gnd = 0v, on/ off open circuit, t a = -40 c to +85 c, unless otherwise noted. typical values are at v s = +48v and t a = +25 c.) (notes 1, 2) parameter sym b o l c o nd it io n s m in t yp m a x u n it s power-good output open-drain leakage current i oh v pgood = 72v (max5902) v pgood = 72v (max5903) 10 ? thermal shutdown temperature t sd junction temperature +125 c thermal shutdown hysteresis t hy 15 c typical operating characteristics (v s = +48v, gnd = 0v, and t a = +25 c, unless otherwise noted. see figure 2 for test circuits.) 0.7 0.8 1.0 0.9 1.1 1.2 030 15 45 60 75 supply current vs. input voltage max5902 toc01 input voltage (v) supply current (ma) 0.7 0.8 1.0 0.9 1.1 1.2 -40 10 -15 35 60 85 supply current vs. temperature max5902 toc02 temperature ( c) supply current (ma) v in = +70v v in = +48v v in = +12v 25 28 27 26 29 30 31 32 33 34 35 -40 10 -15 356085 v uvlo threshold vs. temperature max5902 toc03 temperature ( c) lockout voltage (v) increasing v in decreasing v in
typical operating characteristics (continued) (v s = +48v, gnd = 0v, and t a = +25 c, unless otherwise noted. see figure 2 for test circuits.) max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers 4 _______________________________________________________________________________________ 5 7 11 9 13 15 030 15 45 60 75 gate drive voltage vs. input voltage max5902 toc04 input voltage (v) gate drive (v) 75 125 100 175 150 200 225 -40 10 -15 356085 retry timeout vs. temperature max5902 toc05 temperature ( c) timeout period (ms) t = 20ms/div turn-on waveforms r l = 60 ? , c l = 100 f a : v out , 50v/div b : i in , 1a/div c : v gate , 50v/div d : v in , 50v/div a b d c max5902 toc06 0 0 0 0 t = 2ms/div turn-on waveforms r l = open, c l = 100 f a : v out , 50v/div b : i in , 1a/div c : v gate , 20v/div a b c max5902 toc07 0 0 0 t = 1 s/div circuit-breaker event v overdrive = 20mv, c gate = 1000pf a b c max5902 toc10 0 0 0 a : v ds , 0.5v/div b : v gs , 10v/div c : v pgood to v s , 50v/div t = 2ms/div turn-on waveforms r l = 60 ? , c l = 10 f a : v out , 50v/div b : i in , 0.5a/div c : v gate , 20v/div a b c max5902 toc08 0 0 0 t = 1 s/div circuit-breaker event v overdrive = 200mv, c gate = 1000pf a b c max5902 toc11 0 0 0 a : v ds , 0.5v/div b : v gs , 10v/div c : v pgood to v s , 50v/div t = 2ms/div turn-on waveforms r l = 60 ? , c l = 100 f a : v out , 50v/div b : i in , 1a/div c : v gate , 20v/div a b c max5902 toc09 0 0 0
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers _______________________________________________________________________________________ 5 detailed description the max5902/max5903 are integrated hot-swap con- troller ics contained in 6-pin sot23 and tdfn pack- ages. they allow a board to be safely hot-plugged into a live backplane without causing a glitch on the power- supply rail. they are well suited for +48v power sys- tems allowing cost-effective, simple, and compact design. the max5902/max5903 operate from +9v to +72v to cover a wide range of end equipment hot-swap needs. they require only an external p-channel power mosfet to provide hot-swap control. figure 1 shows a functional block diagram of the max5902/max5903. the max5902/max5903 controls an external p-channel power mosfet placed in the positive power-supply pathway. when power is first applied, the max5902/ max5903 keep the mosfet turned off. the max5902/max5903 hold the mosfet off indefinitely if on/ off is held low, if the supply voltage is below the undervoltage lockout level, or if the die temperature exceeds +125?. if none of these conditions exist for 150ms (typ), the max5902/max5903 begin to gradually turn on the mosfet. during this turn-on phase, the max5902/max5903 slowly enhance the mosfet, allowing the voltage on the load, i.e. the drain of the mosfet, to rise at a rate of 9v/ms (typ). the inrush cur- rent to the load is thus limited to a level proportional to the load capacitance, and the constant slew rate. after the mosfet is fully enhanced, and the load voltage is settled to its final value, the max5902a/ max5903a and max5902l/max5903l monitor the voltage drop across the mosfet. if the voltage drop exceeds the circuit- breaker threshold the max5902a/max5903a and v s on/off gnd gnd gnd 3v max5902 max5903 828k ? *900k ? 34.5k ? 1k ? gate drain control logic pgood (pgood) ( ) are for the max5903 only * relative tolerance 1%, absolute tolerance 50% (typ) *650k ? * * figure 1. functional block diagram pin description pin max5902 max5903 name function 11v s positive supply voltage input and external p-channel mosfet source connection 2 2 drain drain sense input for external p-channel mosfet. connect drain as close as possible to the mosfet? drain and use wide circuit traces to assure good thermal coupling between the max5902/max5903 and the mosfet. see layout guidelines section. 3 3 gate gate drive output for external p-channel mosfet 4 4 gnd ground connection 5 pgood power-good output. pgood is an n-channel, open-drain, active-low output, referenced to gnd. 5 pgood power-good output. pgood is an n-channel, open-drain, active-high output, referenced to gnd. 6 6 on/ off on/ off control input. on/ off is referenced to gnd. drive on/ off above 1.38v or leave unconnected to enable the device. drive on/ off below 1v to disable the device. on/ off is also used to adjust the uvlo threshold. internally clamped to nominally 3v through a 1k ? resistor (see figure 1). (see the undervoltage lockout section in the applications information .) ep exposed pad (tdfn only). connect to gnd.
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers 6 _______________________________________________________________________________________ max5902l/max5903l turn off the mosfet, discon- necting the load immediately. if no circuit-breaker fault exists, the max5902/max5903 assert the power-good output. then, if any of four conditions exist, the power- good output deasserts and the max5902/max5903 turn off the mosfet. the four conditions are: the volt- age across the mosfet exceeds the circuit-breaker threshold; the supply voltage falls below the undervolt- age lockout level; the die temperature exceeds +125?; or on/ off is forced low. after a circuit-break- er fault, the max5902l/max5903l keep the mosfet off until the power is cycled, or the part is reset by tog- gling on/ off low for 10ms (typ). after a circuit-breaker fault, the max5902a/max5903a automatically restarts in 150ms (typ). all versions automatically restart after a thermal fault, or an undervoltage shutdown, if the fault condition goes away for at least 150ms (typ). on/ off offers external control of the max5902/ max5903, facilitating power-supply sequencing, and may also be used to change the undervoltage lockout (uvl) level. uvlo keeps the external mosfet switched off as long as the input voltage is below the desired level. a power-good output, pgood (max5902) or pgood (max5903), asserts when the external mosfet is fully enhanced and the source-drain voltage is below the circuit-breaker threshold. pgood and pgood are open-drain outputs referenced to gnd, and can with- stand up to +72v. gnd gate drain v s 50k ? 50 ? 50k ? 50k ? max5902 on/off pgood v i v in gnd gate drain v s max5902 on/off pgood v v v in gnd gate drain v s max5902 on/off pgood v v v in 0 to 0.5v gnd gate drain v s max5902a on/off pgood scope scope 48v c l r l gnd gate drain irfr5410 v s max5902 on/off pgood scope scope scope scope 48v gnd gate drain v s max5902 on/off pgood scope scope scope 48v (a) supply current (d) retry timeout (d) startup waveforms (d) circuit-breaker event (b) v uvlo (b) gate drive voltage figure 2. test circuits
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers _______________________________________________________________________________________ 7 a thermal shutdown feature protects the external mos- fet by turning it off if the die temperature of the max5902/max5903 exceeds +125?. the max5902/ max5903 must be in good thermal contact with the external mosfet. see layout guidelines in the appli- cations section of the data sheet. a circuit-breaker function monitors the voltage across the external mosfet, v sd , and turns off the mosfet if v sd exceeds the circuit-breaker threshold, v cb . the circuit-breaker function is enabled after the mosfet is fully enhanced. three threshold voltage options are available?00mv, 400mv, and 500mv. one version is available with no circuit-breaker function. fault man- agement for the max5902/max5903 is offered with two different configurations; latched and automatic retry. latched circuit breaker after a circuit-breaker trip event, the latched versions (max5902l/max5903l) drive gate to v s , turning off the external mosfet, and pgood (pgood) is deasserted. a latched off condition needs to be reset by toggling on/ off low for at least 10ms, or by cycling the power supply, v s . automatic retry circuit breaker after a circuit-breaker trip event, the automatic retry versions (max5902a/max5903a) drive gate to v s , turning off the external mosfet, and pgood (pgood) is deasserted. if the start conditions are met for a full 150ms (t rs ) the start sequence is re-initiated. the start conditions are: the device is not in uvlo; on/ off is not driven low; and the device is not in ther- mal shutdown. no circuit breaker for the versions without a circuit breaker, max5902n (max5903n), pgood (pgood) are asserted when the mosfet is fully enhanced. once powered up the max5902n/max5903n ignore the mosfet drain-to- source voltage for applications where a circuit-breaker function is not desired. applications information on/ off control input the on/ off control input provides three functions: external on/ off control; setting of the uvlo level; and resetting after a circuit-breaker event has caused the max5902l/max5903l to turn off the external mosfet. pulling on/ off to gnd for at least 10ms (t off ) forces the max5902/max5903 to turn off the external mosfet (see figure 3 for a circuit example). to reset the max5902l/max5903l after a circuit-breaker event, toggle on/ off to gnd for at least 10ms (t off ). on/ off can be used to sequence power supplies. connecting a capacitor from on/ off to gnd will delay the rise of on/ off proportional to the capacitance and input impedance of on/ off , typically 33k ? (figure 4). the max5902/max5903 can be controlled by logic- level signals. logic-level signals of 3.3v or 1.8v may be directly connected to on/ off . for 5v logic level control, insert a series 47k ? resistor as shown in figure 5. figure 4. power-supply sequencing hot-swap controller #1 v s gnd c 2c max5902 max5903 v s on/off hot-swap controller #2 gnd v s gnd max5902 max5903 on/off hot-swap controller optional +24v v s gnd r2 40.2k ? r1 3.01k ? max5902 max5903 gnd dgnd on/off on/off figure 3. programmed +18v lockout, with optional optocoupler on/off control.
turn-on and turn-off delays after power is applied, or on/ off is released, there is a 150ms delay (t on ) before the gate ramp is started. this delay is also the automatic restart time delay. in the event of a circuit-breaker condition or an over- temperature fault condition, the turn-off delay is less than 4?. an undervoltage condition must exist for at least 10ms (t off ) before the max5902/max5903 turns off the external mosfet. on/ off must be held low for at least 10ms (t off ) before the max5902/max5903 turns off the external mosfet. turn-off delay minimizes spurious shutdowns due to noisy signals or momentary voltage spikes, as well as preventing accidental reset- ting of the circuit-breaker latch (max5902l/max5903l). thermal shutdown a thermal shutdown feature helps protect the external mosfet. if the die temperature of the max5902/ max5903 exceeds +125?, the mosfet is turned off. for accurate performance the max5902/max5903 must be in close thermal contact with the external mos- fet. see the layout guidelines section for information. due to the low power dissipation of the max5902/max5903, its junction temperature will typi- cally be within a few degrees of the mosfet. all ver- sions of the max5902/max5903 automatically restart from a temperature fault when the junction temperature drops below +110?. undervoltage lockout the max5902/max5903 turns off the external mosfet if the magnitude of the input voltage is below the level set by on/ off for longer than 10ms (t off ). if on/ off is left unconnected, the lockout voltage (v uvlo ) defaults to 31.5v. v uvlo may also be set to any value within the power-supply range by using external resis- tors. to set the lockout voltage to a value between +9v and +72v use a resistor divider connected between v s and gnd, with the center node of the divider connect- ed to on/ off . for example, use a 3k ? resistor (r1 in figure 3) from on/ off to gnd and calculate the other resistor, r2, using: where v uvlo is the desired lockout voltage, and v on/ off is the on/ off reference threshold specified in the electrical characteristics table (typically 1.26v). figure 3 shows an example circuit with v uvlo set for +18v. to defeat the uvlo simply connect a single 100k ? resistor between on/ off and v s , as shown in figure 6. the power-good output the power-good output, pgood (pgood), is open- drain and asserts when the external mosfet is fully enhanced and v sd is less than the circuit-breaker threshold (v cb ). for versions without the circuit-breaker function (max5902n/max5903n), pgood (pgood) asserts when the external mosfet is fully enhanced. pgood (pgood) deasserts within 4? when a circuit- breaker event occurs or if the die temperature exceeds +125?. pgood (pgood) deasserts if v s < v uvlo for longer than 10ms or on/ off is held low for longer than 10ms. the max5902 pgood is active-low and the max5903 pgood is active-high. both are open-drain n-channel mosfets with their sources connected to gnd, and can withstand up to +72v. rr v v uvlo on off 21 1 = ? ? ? ? ? ? ? / max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers 8 _______________________________________________________________________________________ hot-swap controller +9v to +72v v s gnd 100k ? max5902 gnd on/off figure 6. defeating undervoltage lockout hot-swap controller 5v logic gnd logic control of 3.3v or less may be connected directly to the max5902/max5903. for 5v logic control insert a series 47k ? resistor as shown. 47k ? max5902 max5903 gnd on/off figure 5. logic control
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers _______________________________________________________________________________________ 9 selecting a circuit-breaker threshold the max5902a/max5903a and the max5902l/ max5903l offer a circuit-breaker function to protect the external mosfet and the load from the potentially damaging effects of excessive current. as load current flows through the external mosfet, a voltage, v sd , is generated from source to drain due to the mosfet? on-resistance, r ds(on) . the max5902a/max5903a and max5902l/max5903l monitor v sd when the exter- nal mosfet is fully enhanced. if v sd exceeds the circuit-breaker threshold the external mosfet is turned off, and pgood (pgood) is deasserted. to accom- modate different mosfets and different load currents the max5902/max5903 are available with circuit-break- er threshold voltages of 300mv, 400mv, and 500mv. to determine the proper circuit-breaker threshold for an application use: v cb > (r ds(on) ) ? (i out(max) ) where r ds(on) is the on-resistance of the mosfet and i out (max) is the maximum expected output current. the max5902n/max5903n have no circuit-breaker function. for these parts choose an external mosfet which meets the load requirements. the circuit-breaker function is intended to protect against gross overcurrent or short-circuit conditions. during a gross overcurrent or short-circuit condition, the max5902/max5903 disconnect the load by dis- abling the external mosfet. for calculating the circuit- breaker threshold use the mosfet? r on at the worst possible operating condition, and add a 20% overcur- rent margin to the maximum circuit current. for instance, if a mosfet has an r on of 0.06 ? at t a = +25?, and a normalized on-resistance factor of 1.75 at t a = +130? (from the mosfet data sheet), the r on used for calculation is the product of these two num- bers, or (0.06 ? ) x (1.75) = 0.105 ? . then, if the maxi- mum current is expected to be 2a, using a 20% margin, the current for calculation is (2a) x (1.2) = 2.4a. the resulting minimum circuit-breaker threshold is then a product of these two results, or (0.105 ? ) x (2.4a) = 0.252v. the next highest minimum available threshold is 0.280v of the max5902abeut, which is an ideal choice given these parameters. using this method to choose a circuit-breaker threshold allows the circuit to operate under worst case conditions without causing a circuit-breaker fault, but the circuit-breaker function will still operate if a short circuit, or a gross overcurrent condition exists. determining inrush current determining a circuit? inrush current is necessary to help choose the proper mosfet. the max5902/ max5903 regulate the inrush current by means of con- trolling the load voltage slew rate, but inrush current is also a function of load capacitance. determine inrush current using: where c is the load capacitance, and sr is the max5902/max5903 load voltage slew-rate magnitude from the electrical characteristics table. for example, assuming a load capacitance of 100?, and using the typical value of 9v/ms for the slew rate, the inrush current is 0.9a typical. if the maximum possible load voltage slew rate is used, the maximum inrush current calculates to 1.8a. choose a mosfet with a maximum pulsed current specification that exceeds the maximum inrush current. ic dv dt csr == ground power in power out m1 sot-223 sdg u1 sot23-6 max5902/max5903 figure 7. circuit board layout example. maximum i load (a) suggested external mosfet suggested maxim part 0.5 irf9540ns max5902aaeut 1 irf9540ns max5902abeut 2 irf5210s max5902abeut 3 irf5210s max5902aceut v in = +9v to +72v
max5902/max5903 suggested external mosfets layout guidelines good thermal contact between the max5902/ max5903 and the external mosfet is essential for the thermal shutdown feature to operate effectively. place the max5902/max5903 as close as possible to the drain of the external mosfet, and use wide circuit board traces for good heat transfer. see figure 7 for an example of a pc board layout. chip information transistor count: 658 process technology: bicmos +72v, sot23/tdfn, simple swapper hot-swap controllers 10 ______________________________________________________________________________________
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers ______________________________________________________________________________________ 11 selector guide part circuit-breaker function circuit-breaker threshold (mv) power-good output logic top mark max5902nneut+ none none active-low aasm max5902aaeut+ autoretry 300 active-low aasa max5902abeut+ autoretry 400 active-low aasb max5902aceut+ autoretry 500 active-low aasc max5902laeut+ latched 300 active-low aasd max5902lbeut+ latched 400 active-low aase max5902lceut+ latched 500 active-low aasf max5903nneut+ none none active-high aasn max5903aaeut+ autoretry 300 active-high aasg max5903abeut+ autoretry 400 active-high aash max5903aceut+ autoretry 500 active-high aasi max5903laeut+ latched 300 active-high aasj max5903lbeut+ latched 400 active-high aask max5903lceut+ latched 500 active-high aasl part circuit-breaker function circuit-breaker threshold (mv) power-good output logic top mark max5902nnett+ none none active-low akh max5902aaett+ autoretry 300 active-low aki max5902abett+ autoretry 400 active-low akj max5902acett+ autoretry 500 active-low akk MAX5902LAETT+ latched 300 active-low akl max5902lbett+ latched 400 active-low akm max5902lcett+ latched 500 active-low akn max5903nnett+ none none active-high ako max5903aaett+ autoretry 300 active-high akp max5903abett+ autoretry 400 active-high akq max5903acett+ autoretry 500 active-high akr max5903laett+ latched 300 active-high aks max5903lbett+ latched 400 active-high akt max5903lcett+ latched 500 active-high aku sot23 tdfn + denotes lead-free package.
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers 12 ______________________________________________________________________________________ typical operating circuits (continued) v s on/off hot-swap controller gnd gnd 50w isolated power supply gnd *the max5003 is a 110v pwm controller indiv v+ 1m ? 39k ? max5003* gate drain pgood irfr5410 +48v backplane circuit card max5903 3 2 1 4 5 6 max5902 max5903 v s drain gate on/off pgood (pgood) gnd * exposed pad ( ) are for max5903 only. * exposed pad connected to gnd. tdfn 3mm x 3mm top view pin configurations (continued)
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers ______________________________________________________________________________________ 13 6lsot.eps package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .)
max5902/max5903 +72v, sot23/tdfn, simple swapper hot-swap controllers maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2007 maxim integrated products is a registered trademark of maxim integrated products, inc. 6, 8, &10l, dfn thin.eps h 1 2 21-0137 package outline, 6,8,10 & 14l, tdfn, exposed pad, 3x3x0.80 mm common dimensions symbol min. max. a 0.70 0.80 d 2.90 3.10 e 2.90 3.10 a1 0.00 0.05 l 0.20 0.40 pkg. code n d2 e2 e jedec spec b [(n/2)-1] x e package variations 0.25 min. k a2 0.20 ref. 2.300.10 1.500.10 6 t633-1 0.95 bsc mo229 / weea 1.90 ref 0.400.05 1.95 ref 0.300.05 0.65 bsc 2.300.10 8 t833-1 2.00 ref 0.250.05 0.50 bsc 2.300.10 10 t1033-1 2.40 ref 0.200.05 - - - - 0.40 bsc 1.700.10 2.300.10 14 t1433-1 1.500.10 1.500.10 mo229 / weec mo229 / weed-3 0.40 bsc - - - - 0.200.05 2.40 ref t1433-2 14 2.300.10 1.700.10 t633-2 6 1.500.10 2.300.10 0.95 bsc mo229 / weea 0.400.05 1.90 ref t833-2 8 1.500.10 2.300.10 0.65 bsc m o229 / weec 0.300.05 1.95 ref t833-3 8 1.500.10 2.300.10 0.65 bsc m o229 / weec 0.300.05 1.95 ref -drawing not to scale- h 2 2 21-0137 package outline, 6,8,10 & 14l, tdfn, exposed pad, 3x3x0.80 mm 2.300.10 mo229 / weed-3 2.00 ref 0.250.05 0.50 bsc 1.500.10 10 t1033-2 package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .)
e nglish ? ???? ? ??? ? ??? what's ne w p roducts solutions de sign ap p note s sup p ort buy comp any me mbe rs m axim > p roduc ts > h ot-swap and p ower switc hing max5902, max5903 +72v sot23/tdfn simple swapper hot-swap c ontrollers quickview technical documents ordering info more information all ordering information notes: other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales . 1. didn't find what you need? ask our applications engineers. expert assistance in finding parts, usually within one business day. 2. part number suffixes: t or t&r = tape and reel; + = rohs/lead-free; # = rohs/lead-exempt. more: see full data sheet or part naming c onventions . 3. * some packages have variations, listed on the drawing. "pkgc ode/variation" tells which variation the product uses. 4. devices: 1-112 of 112 m ax5902 fre e sam ple buy pack age : type pins footprint drawing code/var * te m p rohs/le ad-fre e ? m ate rials analys is max5902lbeut+ -40c to +85c rohs/lead-free: see data sheet max5902lc eut+ -40c to +85c rohs/lead-free: see data sheet max5902abeut+ -40c to +85c rohs/lead-free: see data sheet max5902nneut+ -40c to +85c rohs/lead-free: see data sheet max5902laeut+ -40c to +85c rohs/lead-free: see data sheet max5902laeut+t -40c to +85c rohs/lead-free: see data sheet max5902ac eut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5902ac eut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5902abeut+t -40c to +85c rohs/lead-free: see data sheet max5902aaeut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lbeut+t -40c to +85c rohs/lead-free: see data sheet max5902aaeut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lc eut+t -40c to +85c rohs/lead-free: see data sheet
max5902nneut+t -40c to +85c rohs/lead-free: see data sheet max5902aaeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902ac eut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902lbeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902laeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902abeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902lc eut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902nneut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902laeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902lbeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902lc eut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902ac eut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902nneut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902abeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902aaeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5902abett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902aaett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902ac ett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902ac ett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902abett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis MAX5902LAETT+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902aaett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lbett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis
max5902lbett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902lc ett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lc ett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902nnett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902nnett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis MAX5902LAETT thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902aaett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lc ett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902nnett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lc ett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902lbett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902lbett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902aaett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902abett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5902abett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902ac ett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis MAX5902LAETT+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis MAX5902LAETT-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902ac ett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5902nnett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis m ax5903 fre e sam ple buy pack age : type pins footprint drawing code/var * te m p rohs/le ad-fre e ? m ate rials analys is max5903abeut+ -40c to +85c rohs/lead-free: see data sheet max5903ac eut+ -40c to +85c rohs/lead-free: see data sheet
max5903laeut+ -40c to +85c rohs/lead-free: see data sheet max5903nneut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903nneut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lc eut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lc eut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lbeut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lbeut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903laeut+t -40c to +85c rohs/lead-free: see data sheet max5903abeut+t -40c to +85c rohs/lead-free: see data sheet max5903ac eut+t -40c to +85c rohs/lead-free: see data sheet max5903aaeut+t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903aaeut+ sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f+6 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lc eut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903lbeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903laeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903abeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903nneut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903aaeut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903ac eut sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903nneut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903lc eut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903lbeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903laeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis
max5903ac eut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903aaeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903abeut-t sot-23;6 pin;9 mm dwg: 21-0058i (pdf) use pkgcode/variation: u6f-6 * -40c to +85c rohs/lead-free: no materials analysis max5903abett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903laett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903laett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903lbett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lbett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903lc ett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lc ett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903ac ett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903nnett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903ac ett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903abett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903nnett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903aaett thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903aaett+ thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903nnett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903nnett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lc ett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903lc ett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903lbett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903lbett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis
max5903laett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903laett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903ac ett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903ac ett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903abett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis max5903abett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903aaett+t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633+2 * -40c to +85c rohs/lead-free: lead free materials analysis max5903aaett-t thin qfn (dual);6 pin;10 mm dwg: 21-0137i (pdf) use pkgcode/variation: t633-2 * -40c to +85c rohs/lead-free: no materials analysis didn't find what you need? next day product selection assistance from applications engineers parametric search applications help quickview technical documents ordering info more information des c ription key features a pplic ations /u s es key spec ific ations diagram data sheet a pplic ation n otes des ign guides e ngineering journals reliability reports software/m odels e valuation kits p ric e and a vailability samples buy o nline p ac kage i nformation lead-free i nformation related p roduc ts n otes and c omments e valuation kits doc ument ref.: 1 9 -1 9 8 8 ; rev 3 ; 2 0 0 7 -0 1 -1 2 t his page las t modified: 2 0 0 7 -0 6 -1 5 c ontac t us: send us an email c opyright 2 0 0 7 by m axim i ntegrated p roduc ts , dallas semic onduc tor ? legal n otic es ? p rivac y p olic y

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