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ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 1 of 17 www.diodes.com october 2010 ? diodes incorporated new product description the ap2162a and ap2172a are dua l channel current-limited integrated high-side power switches optimized for universal serial bus (usb) and other hot-swap applications. the family of devices complies with usb standards and available with both polarities of enable input. the devices have fast short-circuit response time for improved overall system robus tness, and have integrated output discharge function to ensure completely controlled discharging of the output volt age capacitor. they provide a complete protection solution for application subject to heavy capacitive loads and the prospec t of short circuit, and offer reverse current blocking, over-current, over-temperature and short-circuit protection, as well as controlled rise time and under-voltage lockout functiona lity. a 7ms deglitch capability on the open-drain flag output prevents false over-current reporting and does not require any external components. all devices are available in so-8, msop-8-ep and dfn3030e-8 packages. features ? dual channel current-limit ed power switch with output discharge ? fast short-circuit response time: 2s ? 1.4a accurate current limiting ? reverse current blocking ? 85m ? on-resistance ? input voltage rang e: 2.7v ? 5.5v ? built-in soft-start with 0. 6ms typical rise time ? short circuit and thermal protection ? fault report (flg) with blanking time (7ms typ) ? esd protection: 2kv hbm, 300v mm ? active high (ap2172a) or active low (ap2162a) enable ? ambient temperature range: -40oc to 85c ? so-8, msop-8-ep and dfn3030e-8 (exposed pad): available in ?green? molding compound (no br, sb) ? lead free finish/ rohs compliant (note 1) ? ul recognized, file number e322375 ? iec60950-1 cb scheme certified applications pin assignments so-8 ( top view ) 1 2 3 4 8 7 6 5 flg1 out1 flg2 out2 gnd en2 en1 in msop-8-ep 1 2 3 4 8 7 6 5 flg1 out1 flg2 out2 gnd en2 en1 in ( top view ) ( top view ) en2 gnd flg1 1 2 in 3 4 6 5 8 7 flg2 en1 out1 out2 dfn3030e-8 ? lcd tvs & monitors ? set-top-boxes, residential gateways ? laptops, desktops, servers, ? printers, docking stations, hubs notes: 1. eu directive 2002/95/ec (rohs). all applicabl e rohs exemptions applied. please visit our website at http://www.diodes.com/products/lead_free.html .
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 2 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical application circuit ? 1uf in gnd en2 out1 on 10uf* power supply 2.7v to 5.5v 1uf off flg 1 load 10k 10k flg 2 en1 out2 10uf* 1uf load ap 2172 a enable active high note: * usb 2.0 requires 120 f per hub available options part number channel enable pin (en) current limit (typical) recommended maximum continuous load current ap2162a 2 active low 1.4a 1.0a ap2172a 2 active high 1.4a 1.0a pin descriptions pin name pin number descriptions gnd 1 ground in 2 voltage input pin en1 3 switch 1 enable input, active low (ap2162a) or active high (ap2172a) en2 4 switch 2 enable input, active low (ap2162a) or active high (ap2172a) flg2 5 switch 2 over-current and over-temperature fault report; open-drain flag is active low when triggered out2 6 switch 2 voltage output pin out1 7 switch 1 voltage output pin flg1 8 switch 1 over-current and over-temperature fault report; open-drain flag is active low when triggered exposed pad - internally connected to gnd; recommend connecting to the gnd externally for improved power dissipation
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 3 of 17 www.diodes.com october 2010 ? diodes incorporated new product functional block diagram thermal sense driver flg2 out2 gnd in en2 uvlo current limit d eglitch thermal sense driver uvlo current limit d eglitch out1 flg1 en1 gnd current sense current sense ap2162a, ap2172a discharge control discharge control absolute maximum ratings symbol parameter ratings units esd hbm human body model esd protection 2 kv esd mm machine model esd protection 300 v v in input voltage 6.5 v v out output voltage v in + 0.3 v v en , v flg enable voltage 6.5 v i load maximum continuous load current internal limited a t jmax maximum junction temperature 150 c t st storage temperature range (note 2) -65 to 150 c notes: 2. ul recognized rating from -30c to 70c (diodes qualified t st from -65c to 150c) recommended operating conditions symbol parameter min max units v in input voltage 2.7 5.5 v i out output current 0 1.0 a t a operating ambient temperature -40 85 c
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 4 of 17 www.diodes.com october 2010 ? diodes incorporated new product electrical characteristics (t a = 25 o c, v in = +5.0v, unless otherwise stated) symbol paramete r test conditions (note 3) min typ. max unit v uvlo input uvlo 1.6 2.0 2.4 v i shdn input shutdown current disabled, i out = 0 0.1 1 a i q input quiescent current, dual enabled, i out = 0 115 180 a i leak input leakage current disabled, out grounded 1 a i rev reverse leakage current disabled, v in = 0v, v out = 5v, i rev at v in 0.01 0.1 a r ds(on) switch on-resistance v in = 5v, i out = 1a, t a = 25 o c so-8 90 110 m? msop-8-ep, dfn3030e-8 85 105 v in = 5v, i out = 1a, -40 o c t a 85 o c 135 v in = 3.3v, i out = 1a, t a = 25 o c so-8 110 130 msop-8-ep, dfn3030e-8 105 125 v in = 3.3v, i out = 1a, -40 o c t a 85 o c 170 i limit over-load current limit v in = 5v, v out = 4v, c l =10 f -40 o c t a 85 o c 1.1 1.4 1.7 a i limit_g ganged over-load current limit v in = 5v, v out = 4.8v, out1 & out2 tied together, c l =10 f -40 o c t a 85 o c 2.2 2.8 3.4 a i trig current limiting trigger threshold output current slew rate (<100a/s), c l =10 f 1.8 a i trig_g ganged current limiting trigger threshold out1 & out2 tied together, output current slew rate (<100a/s), c l =10 f 3.6 a i os short-circuit current per channel outx connected to ground, device enabled into short circuit, c l =10 f 1.4 a i os_g ganged short-circuit current out1 & out2 connected to ground, device enabled into short-circuit, c l =10 f 2.2 2.8 3.4 a t short short-circuit response time v out = 0v to i out = i limit (output shorted to ground) 2 s v il en input logic low voltage v in = 2.7v to 5.5v 0.8 v v ih en input logic high voltage v in = 2.7v to 5.5v 2 v i sink en input leakage v en = 0v to 5.5v 1 a i leak-o output leakage current disabled, v out = 0v 0.5 1 a t r output turn-on rise time c l = 1 f, r load = 5 ? 0.6 1.5 ms t f output turn-off fall time c l = 1 f, r load = 5 ? 0.05 0.3 ms t d(on) output turn-on delay time c l = 100 f, r load = 5 ? 0.2 0.5 ms t d(off) output turn-off delay time c l = 100 f, r load = 5 ? 0.1 0.3 ms r flg flg output fet on-resistance i flg = 10ma 20 40 ? i foh flg off current v flg = 5v 0.01 1 a t blank flg blanking time c l =10 f 4 7 15 ms r dis discharge resistance (note 4) v in = 5v, disabled, i out =1ma 100 ? t shdn thermal shutdown threshold enabled, r load =1k ? 140 c t hys thermal shutdown hysteresis 25 c ja thermal resistance junction-to- ambient so-8 (note 5) 115 o c/w msop-8-ep (note 6) 75 dfn3030e-8 (note 6) 60 notes: 3. pulse-testing techniques main tain junction temperature close to ambient temperature; thermal effects must be taken into account separately. 4. the discharge function is active when the device is disabled (when enable is de-asserted or during power-up power-down w hen v in < v uvlo ). the discharge function offers a re sistive discharge path for the external storage capacitor for limited time. 5. test condition for so-8: device mounted on fr -4 substrate pcb with minimum recommended pad layout. 6. test condition for msop-8-ep and dfn3030e-8: device mounted on 2? x 2? fr-4 substrate pcb,2oz copper, with minimum recommended pad on top layer and thermal vias to bottom layer ground plane.
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 5 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics v en 90% v out t d(on) 10% t d(off) 50% 50% t r 10% 90% t f v en 90% v out t d(on) 10% t d(off) 50% 50% t r 10% 90% t f figure 1. voltage waveforms: ap2162a (left), ap2172a (right) figure 2. response time to short circuit waveform all enable plots are for ap2162a active low turn-on delay and rise time 500us/div turn-off delay and fall time 500us/div vout 2v/div en 5v/div c l =1 f t a =25c r l =5 ? vout 2v/div en 5v/div c l =1 f t a =25c r l =5 ? iin 500ma/div iin 500ma/div
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 6 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics (continued) turn-on delay and rise time 500us/div turn-off delay and fall time 500us/div short circuit current, device enabled into short 500us/div inrush current with different load capacitance 500us/div 2 ? load connected to enabled device 2ms/div 1 ? load connected to enabled device 2ms/div vout 2v/div en 5v/div c l =100 f t a =25c r l =5 ? vout 2v/div en 5v/div c l =100 f t a =25c r l =5 ? iin 500ma/div iin 500ma/div iout 500ma/div en 5v/div v in =5v t a =25c c l =1 f iin 500ma/div en 5v/div v in =5v t a =25c r l =5 ? c l =470 f c l =220 f c l =100 f v in =5v t a =25c c l =1 f flg 2v/div iout 1a/div v in =5v t a =25c c l =1 f flg 2v/div iout 1a/div
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 7 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics (continued) short circuit with blanking time and recovery 20ms/div power on 1ms/div power off 10ms/div device enabled 1ms/div device disabled 1ms/div uvlo increasing 1ms/div iout 1a/div vout 5v/div flg 5v/div t a =25c c l =1 f r l =5 ? vout 5v/div flg 5v/div iout 500ma/div vin 5v/div v in =5v t a =25c c l =1 f t a =25c c l =1 f r l =5 ? vout 5v/div flg 5v/div iout 500ma/div vin 5v/div t a =25c c l =1 f r l =5 ? vout 5v/div flg 5v/div iout 500ma/div en 5v/div t a =25c c l =1 f r l =5 ? flg 5v/div iout 500ma/div en 5v/div vout 5v/div t a =25c c l =1 f r l =5 ? vin 2v/div iout 500ma/div vout 5v/div
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 8 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics (continued) uvlo decreasing 10ms/div uvlo increasing (no load) 1ms/div uvlo decreasing (no load) 20ms/div channel 1 enabled and shorted with channel 2 enabled 5ms/div channel 2 enabled and shorted with channel 1 enabled 5ms/div channels 1 and 2 enabled and shorted 5ms/div t a =25c c l =1 f r l =0 ? vin 2v/div vout 5v/div t a =25c c l =1 f r l =5 ? vin 2v/div iout 500ma/div vout 5v/div vout1 5v/div flg1 5v/div vout2 5v/div flg2 5v/div t a =25c c l =1 f r l =0 ? vin 2v/div vout 5v/div v in =5v t a =25c c l =1 f vout1 5v/div flg1 5v/div vout2 5v/div flg2 5v/div v in =5v t a =25c c l =1 f
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 9 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics (continued) c l =100uf r l =5 ? t a =25c c l =100uf r l =5 ? t a =25c c l =1uf r l =5 ? t a =25c c l =1uf r l =5 ? t a =25c vin=2.7v vin=5.5v vin=5.0v vin=2.7v vin=5.0v vin=5.5v
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 10 of 17 www.diodes.com october 2010 ? diodes incorporated new product typical performance characteristics (continued) c l =1uf vin=5v vin=3.3v vin=3.3v vin=5v uvlo falling uvlo rising v in =5v v out =4v c l =1uf v in =5v t a =25c c l =1uf t a =25c c l =1uf
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 11 of 17 www.diodes.com october 2010 ? diodes incorporated new product application note power supply considerations a 0.1 f to 1 f x7r or x5r ceramic bypass capacitor betwe en in and gnd, close to the device, is recommended. placing a high-value electrolytic capacito r on the input and output pin(s) is recommended when the output load is heavy. this precaution reduces powe r-supply transients that may cause ringing on the input. additionally, bypassing the output with a 1 f ceramic capacitor improves the immunity of the device to short- circuit transients. over-current and short circuit protection an internal sensing fet is employed to check for over-c urrent conditions. unlike cu rrent-sense resistors, sense fets do not increase the series resi stance of the current path. when an overcurrent condition is detected, the device maintains a constant output cu rrent and reduces the output voltage accordingly. complete shutdown occurs only if the fault stays long enough to activate thermal limiting. three possible overload conditions can occur. in the fi rst condition, the output has been shorted to gnd before the device is enabled or before v in has been applied. the ap2162a/ap2172a senses the short circuit and immediately clamps output current to a certain safe level namely i limit . in the second condition, an output short or an overload oc curs while the device is enabled. at the instance the overload occurs, higher inrush current may flow for a very short period of time before the current limit function can react. the input capacitor(s) rapidly discharge through the device, activating current limit circuitry. protection is achieved by momentarily opening the p-mos high-side power sw itch and then gradually turning it on. after the current limit function has tripped (reached the over-current trip threshold), the device switches into current limiting mode and the current is clamped at i limit . the threshold for activating current limiting is 1.4a typical per channel. in the third condition, the load has been gradually increased beyond the recommended operating current. the current is permitted to rise until the current-limit threshold (i trig ) is reached or until the ther mal limit of the device is exceeded. the ap2162a/ap2172a is capa ble of delivering current up to the current-limit threshold without damaging the device. once the threshold has been reached, the device switches into its current limiting mode and is set at i limit . flg response when an over-current or over-temperature shutdown condition is encountered, the flg open-drain output goes active low after a nominal 7-ms deglitch timeout. th e flg output remains low until both over-current and over- temperature conditions are removed. connecting a heavy capacitive load to the output of the device can cause a momentary over-current condition, which does not tri gger the flg due to the 7-ms deglitch timeout. the ap2162a/ap2172a is designed to eliminate false over-curr ent reporting without the need of external components to remove unwanted pulses. power dissipation and junction temperature the low on-resistance of the internal mosfet allows the small surface-mount packa ges to pass large current. using the maximum operating ambient temperature (t a ) and r ds(on) , the power dissipation can be calculated by: p d = r ds(on) i 2 finally, calculate the junction temperature: t j = p d x r ja + t a where: t a = ambient temperature c r ja = thermal resistance p d = total power dissipation
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 12 of 17 www.diodes.com october 2010 ? diodes incorporated new product application note (continued) thermal protection thermal protection prevents the ic from damage when hea vy-overload or short-circuit faults are present for extended periods of time. the ap2162a/ ap2172a implements a thermal sensing to monitor the operating junction temperature of the power distributio n switch. once the die temperature rises to approximately 140c due to excessive power dissipation in an over-current or short-circuit condition the internal thermal sense circuitry turns the power switch off, thus pr eventing the power swit ch from damage. hysteresis is built into the thermal sense circuit allowing the device to cool down approximately 25 c before the switch turns ba ck on. the switch continues to cycle in this manner until the load fault or input pow er is removed. the flg open-drain output is asserted when an over-temperature shutdown or over-c urrent occurs with 7-ms deglitch. under-voltage lockout (uvlo) under-voltage lockout function (uvlo) keeps the inter nal power switch from being turned on until the power supply has reached at least 2v, even if the switch is enabled. whenev er the input voltage falls below approximately 2v, the power switch is quickly turned off. th is facilitates the design of hot-insertion systems where it is not possible to turn off the power switch before input power is removed. discharge function the discharge function of the device is active when enable is disabled or de-asserted. t he discharge function with the n-mos power switch implementation is activated and o ffers a resistive discharge pat h for the external storage capacitor. this is designed for discharging any residue of the output voltage when either no external output resistance or load resistance is present at the output. host/self-powered hubs hosts and self-powered hubs (sph) have a local power supply that powers the embedded functions and the downstream ports. this power supply must provide from 5.25v to 4.75v to the board side of the downstream connection under both full-load and no-load conditions. hosts and sphs are required to have current-limit protection and must report over-current conditions to the usb controller. typical sphs are desktop pcs, monitors, printers, and stand-alone hubs. generic hot-plug applications in many applications it may be necessary to remove modules or pc boards while the main unit is still operating. these are considered hot-plug applications. such implement ations require the control of current surges seen by the main power supply and the card being inserted. the most effective way to control these surges is to limit and slowly ramp the current and voltage being applied to the card, similar to the way in which a power supply normally turns on. due to the controlled rise times and fall time s of the ap2162a/ap2172a, these devices can be used to provide a softer start-up to devices being hot-plug ged into a powered system. the uvlo feature of the ap2162a/ap2172a also ensures that the switch is off afte r the card has been removed, and that the switch is off during the next insertion. by placing the ap2162a/ap2172a between the v cc input and the rest of the circ uitry, the input power reaches these devices first after insertion. the typical rise time of the switch is approximately 1ms, providing a slow voltage ramp at the output of the device. this implement ation controls system sur ge current and provides a hot- plugging mechanism for any device.
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 13 of 17 www.diodes.com october 2010 ? diodes incorporated new product ordering information ap 21 x 2 a xx g - x 6 : active low 7 : active high g : green 7/13 : tape & reel 2 : 2 channel channel green package enable packing s : so-8 mp : msop-8-ep fge : dfn3030e-8 device package code packaging (note 7) 7?/13? tape and reel quantity part number suffix ap21x2asg-13 s so-8 2500/tape & reel -13 ap21x2ampg-13 mp msop-8-ep 2500/tape & reel -13 ap21x2afgeg-7 fge dfn3030e-8 3000/tape & reel -7 notes: 7. pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. marking information (1) so-8 ap21x x a ( top view ) yy ww x x part number logo ww : week : 01~52; 52 yy : year : 08, 09,10~ g : green x : internal code 8765 1 2 34 6 : active low 7 : active high 2 : 2 channel represents 52 and 53 week (2) msop-8-ep ap21x x a ( top view ) y w x e part number logo 87 65 1 234 6 : active low 7 : active high y : year : 0~9 a~z : green 2 : 2 channel a~z : 27~52 week; z represents w : week : a~z : 1~26 week; 52 and 53 week msop-8-ep
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 14 of 17 www.diodes.com october 2010 ? diodes incorporated new product marking information (continued) (3) dfn3030e-8 xx : identification code ( top view ) x : a~z : green xy x x w y : year : 0~9 w : week : a~z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week part number package identification code AP2162AFGEG-7 dfn3030e-8 ac ap2172afgeg-7 dfn3030e-8 ad package outline dimensions (all dimensions in mm) (1) package type: so-8 1.27typ 0.3/0.5 7~9 4.85/4.95 3.85/3.95 5.90/6.10 0.15/0.25 7~9 0.62/0.82 0.10/0.20 gauge plane 0.254 seating plane 0.35max. 45 detail "a" detail "a" 1.30/1.50 1.75max. land pattern recommendation (unit: mm) 6x-1.27 8x-1.55 8x-0.60 5.4 0/8
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 15 of 17 www.diodes.com october 2010 ? diodes incorporated new product package outline dimensions (continued) (2) package type: msop-8-ep 2.9/3.1 0.75/0.95 2.9/3.1 4.7/5.1 0.65bsc. 0.22/0.38 0.05 0.4/0.8 0.25 0.95ref. gauge plane 0 / 8 "a" detail "a" 1.35/1.65 1.65/1.95 exposed pad (bottom) 8x-0.45 8x-1.4 6x-0.65 exposed pad (bottom) 1 1 1 land pattern recommendation (unit:mm) 4.4 1.10max. 0.15typ. 0.05/0.15 (3) package type: dfn3030e-8 bottom view side view 0.10 c 0.08 c seating plane c 2.95/3.05 2.95/3.05 (pin #1 id) a b 0.10 c ab 0.25 a 2x- 0.25 b 2x- top mark 0.15typ. 0/0.05 0.57/0.63 0.30/0.60 0.65typ. 0.20/0.30 8x- r 0 . 2 0 1.40/1.60 8x- 8x- 2.15/2.35
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 16 of 17 www.diodes.com october 2010 ? diodes incorporated new product taping orientation (note 8) for dfn3030e-8 notes: 8. the taping orientation of the other package ty pe can be found on our website at http://www.diodes.com/datasheets/a p02007.pdf
ap2162a/ap2172a 1.0a dual channel current-limited power switch with output discharge ap2162a/2172a document number: ds32192 rev. 2 - 2 17 of 17 www.diodes.com october 2010 ? diodes incorporated new product important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product described herein. diodes incorporated does not assume any liabi lity arising out of the application or use of this document or an y product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of othe rs. any customer or user of this document or products desc ribed herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorp orated website, harmless against all damages. diodes incorporated does not warrant or accept any liability what soever in respect of any prod ucts purchased through unauthoriz ed sales channel. should customers purchase or use diodes in corporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives har mless against all claims, damages, expenses, and attorney fee s arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized a pplication. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifica lly not authorized for use as critical co mponents in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when pr operly used in accordance with instructions for use provided in the labeling can be reasonably expected to re sult in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in t he safety and regulatory ramifications of their life support dev ices or systems, and acknowledge and agree that they are solely responsi ble for all legal, regulatory and safety-related requirements concerning their products and any use of diode s incorporated products in such safety-cri tical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporated and its repr esentatives against any damages ar ising out of the use of diodes incorporated products in such safety-c ritical, life support devices or systems. copyright ? 2010, diodes incorporated www.diodes.com

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