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www.ams.com/dc-dc_step-up/as1340 revision 1.20 1 - 17 as1340 50v, micropower, dc-dc boost converter 1 general description the as1340 boost converter contains a 1.4a internal switch in a tiny tdfn-8 3x3mm package. the device operates from a 2.7 to 5.5v supply, and can boost voltages up to 50v output. the output voltage can easily be adjusted by an external resistor divider. the as1340 uses a unique control scheme providing the highest efficiency over a wide range of load conditions. an internal 1.4a mosfet reduces external component count, and a fixed high switching frequency (1mhz) allows for tiny surface-mount components. the as1340 also features power-ok circuitry which monitors the output voltage. additionally the as1340 features a low quiescent supply current and a shutdown mode to save power. during shutdown an output disconnect switch separates the input from the output. the as1340 is ideal for lcd or oled panels with low current requirements and can also be used in a wide range of other applications. the device is available in a low-profile tdfn-8 3x3mm package. figure 1. as1340 - typical application diagram 2 key features ?? 2.7v to 50v adjustable output voltage ?? 2.7v to 50v input voltage range ?? 2.7v to 5.5v supply voltage range ?? high output currents: - 100ma @ 12v from 3.3v v in - 50ma @ 24v from 3.3v v in - 30ma @ 36v from 3.3v v in ?? efficiency: up to 93% ?? switching frequency: 1mhz ?? output disconnect ?? power-ok output ?? operating supply current: 30a ?? shutdown current: 0.1a ?? tdfn-8 3x3mm package 3 applications the device is ideal for oled display power supply, led power supply, lcd bias generators, mobile/cordless phones, palmtop computers, pdas and organizers, handy terminals or any other portable, battery-powered device. v in = 2.7v to 5.5v 1 en 3 swvin 2 vcc 8 fb 4 pok 5 lx on off r 2 r 1 v out = > v in to 50v as1340 l 1 4.7h c in c out 6 swout 7, 9 gnd 3 l 1 6 lx vcc v in = 2.7v to 5.5v 3 l 1 6 lx vcc v in = 2.7v to 5.5v v in = 2.7v to ~v out if not needed the output disconnect swit ch can be left unconnected which w ill also increase the efficiency. additionally the supply of the chip can be split to allow higher supply voltages for the coil. in this case the output disconne ct switch must not be used. v out v out
www.ams.com/dc-dc_step-up/as1340 revision 1.20 2 - 17 as1340 datasheet - pin assignments 4 pin assignments figure 2. pin assignments (top view) 4.1 pin descriptions table 1. pin descriptions pin number pin name description 1en active-high enable input. a logic low on this pin shuts down the device and reduces the supply current to 0.1a. note: connect to v cc for normal operation. 2vcc +2.7v to +5.5v supply voltage. bypass this pin to gnd with a ? 1f capacitor. 3swvin shutdown disconnect switch in 4pok power-ok. 0 = v out < 90% of v outnom . 1 = v out > 90% of v outnom . 5lx inductor. the drain of the internal n-channel mosfet. note: this pin is high impedance in shutdown. 6swout shutdown disconnect switch out. disconnects the input from the output during shutdown. 7gnd ground. this pin and pin 9 must be connected to gnd to ensure normal operation. 8fb feedback pin. feedback input to the g m error amplifier. connect a resistor divider tap to this pin. the output voltage can be adjusted from v in to 50v by: v out = 1.25v[1 + (r 1 /r 2 )] 9gnd ground. this pin and pin 7 must be connected to gnd to ensure normal operation. 5 lx 3 swvin 2 vcc 1 en 8 fb as1340 4 pok 7gnd 6swout 9 gnd
www.ams.com/dc-dc_step-up/as1340 revision 1.20 3 - 17 as1340 datasheet - absolute maximum ratings 5 absolute maximum ratings stresses beyond those listed in table 2 may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in electrical characteristics on page 4 is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. table 2. absolute maximum ratings parameter min max units comments electrical parameters vcc, fb, en to gnd -0.3 7 v swvin, swout to gnd -0.3 7 lx to gnd 55 input current (latch-up immunity) -100 100 ma norm: jedec 78 electrostatic discharge electrostatic discharge hbm 1.5 kv norm: mil 883 e method 3015 temperature ranges and storage conditions thermal resistance ? ja 36.7 oc/w on pcb junction temperature +150 oc storage temperature range -55 +125 oc package body temperature +260 oc the reflow peak soldering temperature (body temperature) specified is in accordance with ipc/ jedec j-std-020?moisture/reflow sensitivity classification for non-hermetic solid state surface mount devices?. the lead finish for pb-free leaded packages is matte tin (100% sn). humidity non-condensing 5 85 % moisture sensitive level 1 represents a max. floor life time of unlimited
www.ams.com/dc-dc_step-up/as1340 revision 1.20 4 - 17 as1340 datasheet - electrical characteristics 6 electrical characteristics v cc = en = 2.7v, t amb = -40 to +85oc (unless otherwise specified). typical values are at t amb = +25oc. note: all limits are guaranteed. the parameters with min and max values are guaranteed with production tests or sqc (statistical qual ity control) methods. table 3. electrical characteristics symbol parameter condition min typ max unit t amb operating temperature range -40 +85 c v cc supply voltage 2.7 5.5 v v in inductor input voltage range 2.7 50 v v out output voltage range 2.7 50 v i cc quiescent supply current v fb = 1.3v, v in = 5v 30 50 a enable supply current en = gnd 0.1 1 a ? v lnr v cc line regulation v out = 18v, i load = 1ma, v in = 5.5v, v cc = 2.7 to 5.5v 0.3 %/v v in line regulation v out = 18v, i load = 1ma, v cc = 5v, v in = 2.7 to 5.5v 0.25 %/v ? v ldr load regulation v out = 18v, v cc = v in = 5v, i load = 0 to 20ma 0.02 %/ma ? efficiency l 1 = 10h, v in = 5.5v, v out = 20v, i load = 100ma 88 % v fb feedback set point 1.225 1.25 1.275 v i fb feedback input bias current v fb = 1.3v 5 100 na dc-dc switches v out max v in = 5.5v, i load = 0ma 50 v i lx(max) lx switch current limit v in = 5.5v, i load > 20ma 1.41 a r lx lx on-resistance v cc = 5.5v, i lx = 100ma 0.6 ? r p_on switch on-resistance v in = 5.5v, pmos 0.2 i lx_leak lx leakage current v lx = 50v 2 a i p_leak switch leakage current v in = 5.5v, pmos 0.5 control inputs v ih en input threshold 2.7v ?? v cc ? 5.5v 0.8 x v cc v v il 0.2 x v cc i en en input bias current v cc = 5.5v, v en = 0 to 5.5v -1 +1 a pok output v ol pok output low voltage pok sinking 1ma 0.01 0.2 v pok output high leakage current pok = 5.5v 100 500 na pok threshold rising edge, referenced to v out(nom) 87 90 93 % oscillator f clk oscillator frequency 0.85 1 1.15 mhz maximum duty cycle 85 90 95 %
www.ams.com/dc-dc_step-up/as1340 revision 1.20 5 - 17 as1340 datasheet - typical operating characteristics 7 typical operating characteristics parts used for measurements: 4.7h (lps4018-472ml) inductor, 10f (grm32dr71c106ka01) c in and 1f (grm31mr71h105ka88) c out. figure 3. efficiency vs. output current; v out = 36v figure 4. efficiency vs. output current; v out = 24v 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 output current (m a) efficiency (%) vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 output current (ma) efficiency (%) vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v figure 5. efficiency vs. output current; v out = 12v figure 6. efficiency vs. output current; v out = 6v 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 output current (ma) efficiency (%) vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 output current (ma) efficiency (%) vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v figure 7. efficiency vs. v in ; v out =18v, split supplies figure 8. efficiency vs. v in ; i out = 10ma 40 50 60 70 80 90 100 24681012 input voltage (v) efficiency (%) i out = 1ma i out = 5ma i out = 10ma i out = 20ma i out = 50ma 40 50 60 70 80 90 100 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 input voltage (v) efficiency (%) vout = 6v vout = 12v vout = 18v vout = 24v vout = 30v vout = 36v vout = 48v
www.ams.com/dc-dc_step-up/as1340 revision 1.20 6 - 17 as1340 datasheet - typical operating characteristics figure 9. output voltage vs. temperature; v out = 18v figure 10. output voltage vs. load current; v out = 18v, v in = 3.3v 17.5 17.6 17.7 17.8 17.9 18 18.1 18.2 18.3 18.4 18.5 -45 -30 -15 0 15 30 45 60 75 90 temperature (c) output voltage (v) . iout =1ma iout =5ma iout =10 ma iout =20 ma iout =50ma 17.5 17.6 17.7 17.8 17.9 18 18.1 18.2 18.3 18.4 18.5 0 10203040 output current (ma) output voltage (v) . figure 11. output voltage vs. input voltage; v out = 18v, split supplies figure 12. output voltage vs. input voltage; v out = 18v 17.5 17.6 17.7 17.8 17.9 18 18.1 18.2 18.3 18.4 18.5 23456789101112 input voltage (v) output voltage (v) i out = 1ma i out = 5ma i out = 10ma i out = 20ma 17.5 17.6 17.7 17.8 17.9 18 18.1 18.2 18.3 18.4 18.5 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 input voltage (v) output voltage (v) i out = 1ma i out = 5ma i out = 10ma i out = 20ma figure 13. output current vs. v in ; split supplies figure 14. output current vs. v in 0 50 100 150 200 250 300 350 400 450 500 23456789101112 input voltage (v) output current (ma) vout = 12v vout = 18v vout = 24v vout = 30v vout = 36v 0 50 100 150 200 250 300 350 400 450 500 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 input voltage (v) output current (ma) vout = 12v vout = 18v vout = 24v vout = 30v vout = 36v
www.ams.com/dc-dc_step-up/as1340 revision 1.20 7 - 17 as1340 datasheet - typical operating characteristics figure 15. startup voltage vs. output current; v in = 2.7 to 5.5v figure 16. input current vs. input voltage; i out = 0ma, switching 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 0 5 10 15 20 25 30 35 40 45 50 output current (m a) start-up voltage (v) vout = 6v vout = 12v vout = 18v vout = 24v vout = 30v vout = 36v 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 input voltage (v) input current (ma) vout = 6v vout = 12v vout = 18v vout = 24v vout = 30v figure 17. input current vs. output current; v out = 12v figure 18. input current vs. output current; v out = 18v 0 100 200 300 400 500 600 0 10203040506070 output current (ma) input current (ma) vi n = 2. 4v vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v 0 100 200 300 400 500 600 0 10203040506070 output current (ma) input current (ma) vi n = 2. 4v vi n = 2. 7v vi n = 3. 3v vi n = 5. 5v figure 19. startup waveform figure 20. startup waveform - pok 200s/div lx v out 500ma/div 5v/div en 10v/div 50s/div pok v out 5v/div 5v/div en 2v/div
www.ams.com/dc-dc_step-up/as1340 revision 1.20 8 - 17 as1340 datasheet - typical operating characteristics figure 21. transient line regulation; v out = 18v, i load = 1ma figure 22. transient line regulation; v out = 18v, i load = 20ma 500s/div v out(ac) v in 2v/div 200mv/div 500s/div v out(ac) v in 2v/div 200mv/div figure 23. output voltage ripple ; v out = 18v, i out = 1ma figure 24. output voltage ripple ; v out = 18v, i out = 20ma 1s/div v out 200mv/div v in = 5.5v v in = 3.3v v in = 2.7v 2ms/div v out 200mv/div v in = 5.5v v in = 3.3v v in = 2.7v figure 25. load transient response; v in = 5.5v, v out = 18v figure 26. fixed frequency vs. powersave operation; v in = 2.7v, v out = 18v 2ms/div v out(ac) i out 1ma 20ma 200mv/div 2ms/div v out(ac) i out 1ma 20ma 200mv/div
www.ams.com/dc-dc_step-up/as1340 revision 1.20 9 - 17 as1340 datasheet - detailed description 8 detailed description the as1340 features a current limiting circuitry, a fixed-frequency pwm architecture, power-ok circuitry, thermal protection, a nd an automatic powersave mode in a tiny package, and maintains high efficiency at light loads. figure 27. as1340 - block diagram with shutdown disconnect switch automatic powersave mode regulates the output and also reduces average current flow into the device, resulting in high efficien cy at light loads. when the output increases sufficiently, the powersave comparator output remains high, resulting in continuous operation. for each oscillator cycle, the power switch is enabled. a voltage proportional to switch current is added to a stabilizing ramp and the resulting sum is delivered to the positive terminal of the pwm comparator. the error amplifier compares the voltage at fb with the internal 1.25v reference and generates an error signal (v c ). when v c is below the powersave mode threshold voltage the automatic powersave-mode is activated and the hysteretic comparator disables the power cir cuitry, with only the low-power circuitry still active (total current consumption is minimized). when a load is applied, v fb decreases; v c increases and enables the power circuitry and the device starts switching. in light loads, the output voltage (and the voltage at fb) will increase until the powersave comparator disables the power circuitry, causing the output v oltage to decrease again. this cycle is repeated resulting in low-frequency ripple at the output. the pok output indicates whether the output voltage is within 90% of the nominal output voltage level or not. when en is low, t he circuit is not active and pok gives a high signal when connected to v cc by a pull-up resistor. when en goes high, pok goes low after approximately 50s and will go high when the output reaches 90% of the nominal output voltage (see figure 20 on page 7) . when input and output voltage are almost the same, it may happen that the pok signal does not go low because v out reaches 90% before the delay has expired. the open-drain pok output sinks current, when en is high and the output voltage is below 90% of the nominal output voltage. thermal protection circuitry shuts down the device when its temperature reaches 145oc. as1340 + ? pwm control slope compensator 1 mhz spread spectrum ramp gen- erator + ? powersave operation control ? shutdown control pwm comp ? + ? 1.25v ref sync drive control v out good 1.13v g m error amp shutdown powersave 0.9 ? r 2 r 1 c ff * c out v in to 50v l 1 4.7h c in 1f * optional current sense r c c p2 c c gnd 7,9 1 en 8 fb 2 vcc 6swout 4pok 5 lx v c v in = 2.7v to 5.5v 3 swvin
www.ams.com/dc-dc_step-up/as1340 revision 1.20 10 - 17 as1340 datasheet - application information 9 application information 9.1 power supply concept the as1340 has an operating voltage range from 2.7 to 5.5v. if the inductor is supplied from the same source the battery discon nect switch can be used as well (see figure 1 on page 1) . in case that a input voltage source is higher than 5.5v, the inductor can be supplied separately up to 50v (see figure 28) , but then the battery disconnect switch cannot be used, because its operating voltage range is limited to 5.5v. 9.2 shutdown a logic low on pin en shuts down the as1340 and a logic high on en powers on the device. in shutdown mode the supply current drops to below 1a to maximize battery life. in case that the battery disconnect switch is used, the battery is disconnected from the output during shutdown. note: pin en should not be left floating. if the shutdown feature is not used, connect en to v in . 9.3 battery disconnect the as1340 has an integrated switch that can be used to disconnect the battery during shutdown. the operation voltage of this s witch is limited to 5.5v. when en is high, the switch is closed and supplies the inductor. due to the r on resistance the efficiency is slightly lower if the battery disconnect switch is used. p loss = i in 2 x r on (eq 1) 9.4 setting output voltage output voltage can be adjusted by connecting a voltage divider between pins lx and fb (see figure 28) . figure 28. typical application (swvin and swout not in use) the output voltage can be adjusted by selecting different values for r 1 and r 2 . for r 2 , select a value between 10k and 200k ? . calculate r 1 by: (eq 2) where: v out = v in to 50v, v fb = 1.25v the input bias current of fb has a maximum value of 100na which allows for large-value resistors. for less than 1% error, the c urrent through r 2 should be 100 times the feedback input bias current (i fb ). supply 2.7v to v out 1 en 7,9 gnd 2 vcc 8 fb 5 lx on off r 1 2.2m ? v out = 18v as1340 l 1 4.7h c 1 0.1f c in 10f d1 c out 1f r 2 165k ? 3 swvin 6 swout 4 pok v in = 2.7v to 5.5v r 1 r 2 v out v fb ------------- 1 ? ?? ?? ? =
www.ams.com/dc-dc_step-up/as1340 revision 1.20 11 - 17 as1340 datasheet - application information 9.5 led power supply application the as1340 can also be used for driving leds. just simply connect the leds between the pins lx and fb. (see figure 29) . figure 29. led supply application the output voltage is adjusted automatically to the required voltage of the leds. this voltage depends on the forward voltage ( v f ) of the used leds and the feedback voltage v fb . calculate v out by: note: the brightness of the leds can directly be adjusted by setting the current i led via the corresponding r 2 . calculate r 2 by: where: v fb = 1.25v n .... number of led?s 1 en 7,9 gnd 2 vcc 8 fb 5 lx on off as1340 l 1 4.7h c 1 0.1f d1 c out 1f r 2 100 ? 3 swvin 6 swout 4 pok c 1 0.1f i led v in = 2.7v to 5.5v (eq 3) v out v f i led ?? n ? v fb + = (eq 4) i led v fb r 2 ---------- =
www.ams.com/dc-dc_step-up/as1340 revision 1.20 12 - 17 as1340 datasheet - application information 9.6 inductor selection for the external inductor, a 6.8h inductor is recommended. minimum inductor size is dependant on the desired efficiency and ou tput current. inductors with low core losses and small dcr at 1mhz are recommended. figure 30. efficiency comparison of different inductors, v in = 3.3v, v out = 18v figure 31. efficiency comparison of different inductors, v in = 5.5v, v out = 18v table 4. recommended inductors part number l dcr current rating dimensions (l/w/t) manufacturer lps4018-472ml_ 4.7h 0.125 ? 1.9a 4.4x4.4x1.7mm coilcraft www.coilcraft.com me3220-472ml_ 4.7h 0.190 ? 1.5a 3.2x2.8x2mm mos6020-472ml_ 4.7h 0.050 ? 1.94a 6.8x6x2.4mm mss6122-472ml_ 4.7h 0.065 ? 1.82a 6.1x6.1x6mm lps4018-682ml_ 6.8h 0.150 ? 1.3a 4.4x4.4x1.7mm me3220-682ml_ 6.8h 0.270 ? 1.2a 3.2x2.8x2mm mos6020-682ml_ 6.8h 0.078 ? 1.72a 6.8x6x2.4mm mss6122-682ml_ 6.8h 0.100 ? 1.50a 6.1x6.1x6mm 0 10 20 30 40 50 60 70 80 90 100 1 10 100 output current (m a) efficiency (%) . mos6020-472 mos6020-682 mss6122-472 mss6122-682 0 10 20 30 40 50 60 70 80 90 100 1 10 100 output current (m a) efficiency (%) . lps4018-472 lps4018-682 me3220-472 me3220-682 0 10 20 30 40 50 60 70 80 90 100 1 10 100 output current (m a) efficiency (%) . lps4018-472 lps4018-682 me3220-472 me3220-682 0 10 20 30 40 50 60 70 80 90 100 110100 output current (ma) efficiency (%) . mos6020-472 mos6020-682 mss6122-472 mss6122-472
www.ams.com/dc-dc_step-up/as1340 revision 1.20 13 - 17 as1340 datasheet - application information 9.7 capacitor selection a 4.7f capacitor is recommended for c in as well as a 2f for c out . small-sized ceramic capacitors are recommended. x5r and x7r ceramic capacitors are recommend as they retain capacitance over wide ranges of voltages and temperatures. 9.7.1 output cap acitor selection low esr capacitors should be used to minimize v out ripple. multi-layer ceramic capacitors are recommended since they have extremely low esr and are available in small footprints. a 2.2 to 10f output capacitor is sufficient for most applications. larger values up to 22f may be used to obtain extremely low output voltage ripple and improve transient response. x5r and x7r dielectric materials are recommended due to their ability to maintain capacitance over wide voltage and temperature ranges. 9.7.2 input capacitor selection low esr input capacitors reduce input switching noise and redu ce the peak current drawn from the battery. ceramic capacitors ar e recommended for input decoupling and should be located as close to the device as is practical. a 4.7f input capacitor is suffi cient for most applications. larger values may be used without limitations. 9.7.3 diode selection a schottky diode must be used to carry the output current for the time it takes the pmos synchronous rectifier to switch on. note: do not use ordinary rectifier diodes, since the slow recovery times will compromise efficiency. 9.8 thermal protection to protect the device from short circuit or excessive power diss ipation of the auxiliary npns, the integrated thermal protectio n switches off the device when the junction temperature (t j ) reaches 145oc (typ). when t j decreases to approximately 125oc, the device will resume normal operation. if the thermal overload condition is not corrected, the device will switch on and off while maintaining t j within the range between 125oc and 145oc. table 5. recommended output capacitor part number c tc code rated voltage dimensions (l/w/t) manufacturer grm31mr71h105ka88 1f x7r 50v c1206 murata www.murata.com grm32er71h475ka88 4.7f x7r 50v c1210 c1206c105k5rac 1f x7r 50v c1206 kemet www.kemet.com c1206c225k5rac 2.2f x7r 50v c1210 1206c105kat2a 1f x7r 50v c1206 avx www.avx.com table 6. recommended input capacitor part number c tc code rated voltage dimensions (l/w/t) manufacturer grm21br71c105ka01 1f x7r 16v c0805 murata www.murata.com grm21br61c225ka88 2.2f x7r 16v c0805 grm32dr71c106ka01 10f x7r 16v c1210 table 7. recommended diodes part number reverse voltage forward current package manufacturer pmeg4010bea 40v 1a sod123 philips www.nxp.com mbr0540 40v 500ma sod123 mcc www.mccsemi.com mbr0560 60v 500ma sod123
www.ams.com/dc-dc_step-up/as1340 revision 1.20 14 - 17 as1340 datasheet - package drawings and markings 10 package drawin gs and markings figure 32. tdfn-8 3x3mm marking package code: xxxx - encoded datecode
www.ams.com/dc-dc_step-up/as1340 revision 1.20 15 - 17 as1340 datasheet - package drawings and markings figure 33. tdfn-8 3x3mm package
www.ams.com/dc-dc_step-up/as1340 revision 1.20 16 - 17 as1340 datasheet - ordering information 11 ordering information the device is available as the standard products shown in table 8 . note: all products are rohs compliant. buy our products or get free samples online at icdirect: http://www.ams.com/icdirect technical support is found at http://www.ams.com/technical-support for further information and requests, please contact us mailto:sales@ams.com or find your local distributor at http://www.ams.com/distributor table 8. ordering information ordering code marking description delivery form package as1340a-btdt-10 asm3 50v, micropower, dc-dc boost converter, automatic powe r save, 1mhz tape and reel tdfn-8 3x3mm
www.ams.com/dc-dc_step-up/as1340 revision 1.20 17 - 17 as1340 datasheet copyrights copyright ? 1997-2010, ams ag, tobelbaderstrasse 30, 8141 unterpremstaetten, austria-europe. trademarks registered ?. all right s reserved. the material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written con sent of the copyright owner. all products and companies mentioned are trademarks or registered trademarks of their respective companies. disclaimer devices sold by ams ag are covered by the warranty and patent indemnification provisions appearing in its term of sale. ams ag makes no warranty, express, statutory, implied, or by description rega rding the information set forth herein or regarding the freedom of the described devices from patent infringement. ams ag reserves the right to change specifications and prices at any time and without notice. therefore, prior to designing this product into a system, it is necessary to check with ams ag for current information. this product is intended for use in normal commercial applications. applications requiring extended temperature range, unusual environmental requirements, or high reliabi lity applications, such as military, medical life-support or life-sustaining equipment are specifically not recommended without addi tional processing by ams ag for each application. for shipments of less than 100 parts the manufacturing flow might show deviations from the stan dard production flow, such as test flow or test location. the information furnished here by ams ag is believed to be correct and accurate. however, ams ag shall not be liable to recipien t or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruptio n of business or indi- rect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performan ce or use of the tech- nical data herein. no obligation or liability to recipient or an y third party shall arise or flow out of ams ag rendering of tec hnical or other services. contact information headquarters ams ag tobelbaderstrasse 30 a-8141 unterpremstaetten, austria tel: +43 (0) 3136 500 0 fax: +43 (0) 3136 525 01 for sales offices, distributors and representatives, please visit: http://www.ams.com/contact

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