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ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 1 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a 1a dual channel current-limited power switch with output discharge description the ap2162a and ap2172a are dual 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 robustness, and have integrated output discharge function to ensure completely controlled discharging of the output voltage capacitor. they provide a complete protection solution for application subject to heavy capacitive loads and the prospect of short circuit, and offer reverse current blocking, over-current, over-temperature and short-circuit protection, as we ll as controlled rise time and under- voltage lockout functionality. a 7ms deglitch capability on the open- drain flag output prevents false ove r-current reporting and does not require any external components. all devices are available in so-8, msop-8ep and u-dfn3030-8 packages. features ? dual channel current-limited power switch with output discharge ? fast short-circuit response time: 2s ? 1.4a accurate current limiting ? reverse current blocking ? 85m ? on-resistance ? input voltage range: 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: -40c to +85c ? so-8, msop-8ep and dfn3030e-8 (exposed pad): available in ?green? molding compound (no br, sb) ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) ? ul recognized, file number e322375 ? iec60950-1 cb scheme certified pin assignments so-8 ( top view ) 1 2 3 4 8 7 6 5 flg1 out1 flg2 out2 gnd en2 en1 in msop-8ep 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 u-dfn3030-8 applications ? lcd tvs & monitors ? set-top-boxes, residential gateways ? laptops, desktops, servers, ? printers, docking stations, hubs notes: 1. no purposely added lead. fully eu directiv e 2002/95/ec (rohs) & 2011/6 5/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more in formation about diodes incorporated?s definitions of halogen- a nd antimony-free, "green" and lead-free. 3. halogen- and antimony-free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds.
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 2 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical applications 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 (typ) 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 function so-8 msop-8ep u-dfn3030-8 gnd 1 1 ground in 2 2 voltage input pin en1 3 3 switch 1 enable input, active low (ap2142a) or active high (ap2152a) en2 4 4 switch 2 enable input, active low (ap2142a) or active high (ap2152a) flg2 5 5 switch 2 over-current and over-temperature fault report; open-drain flag is active low when triggered out2 6 6 switch 2 voltage output pin out1 7 7 switch 1 voltage output pin flg1 8 8 switch 1 over-current and over-temperature fault report; open-drain flag is active low when triggered exposed pad ? exposed pad exposed pad: it should be connected to gnd and thermal mass for enhanced thermal impedance. it should not be used as electrical ground conduction path.
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 3 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a 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 (@t a = +25c, unless otherwise specified.) symbol parameter ratings unit 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 j(max) maximum junction temperature 150 c t st storage temperature range (note 4) -65 to +150 c note: 4. ul recognized rating from -30c to +70c (diodes qualified t st from -65c to +150c) recommended operating conditions (@t a = +25c, unless otherwise specified.) symbol parameter min max unit v in input voltage 2.7 5.5 v i out output current 0 1.0 a v ih high-level input voltage on en or en 2 v in v v il low-level input voltage on en or en 0 0.8 v t a operating ambient temperature range -40 +85 c
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 4 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a electrical characteristics (@t a = +25c, v in = +5.0v, unless otherwise specified.) symbol parameter test conditions (note 5) 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 = +25c so-8 90 110 m ? msop-8ep, u-dfn3030-8 85 105 v in = 5v, i out = 1a, -40c t a +85c 135 v in = 3.3v, i out = 1a, t a = +25c so-8 110 130 msop-8ep, u-dfn3030-8 105 125 v in = 3.3v, i out = 1a, -40c t a +85c 170 i limit over-load current limit v in = 5v, v out = 4v, c l = 10f -40c t a +85c 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 = 10f -40c t a +85c 2.2 2.8 3.4 a i trig current limiting trigger threshold output current slew rate (<100a/s), c l = 10f 1.8 a i trig_g ganged current limiting trigger threshold out1 & out2 tied together, output current slew rate (<100a/s), c l = 10f 3.6 a i os short-circuit current per channel outx connected to ground, device enabled into short circuit, c l = 10f 1.4 a i os_g ganged short-circuit current out1 & out2 connected to ground, device enabled into short-circuit, c l = 10f 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 = 1f, r load = 5 ? 0.6 1.5 ms t f output turn-off fall time c l = 1f, r load = 5 ? 0.05 0.3 ms t d(on) output turn-on delay time c l = 100f, r load = 5 ? 0.2 0.5 ms t d(off) output turn-off delay time c l = 100f, 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 = 10f 4 7 15 ms r dis discharge resistance (note 6) 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 7) 115 c/w msop-8ep (note 8) 75 u-dfn3030-8 (note 8) 60 notes: 5. pulse-testing techniques maintain junction temperature close to ambient temper ature; thermal effects must be taken in to account separately. 6. the discharge function is active when the device is disabled (when enable is de-asserted or during power-up / power-d own when v in < v uvlo ). the discharge function offers a resistive discharge path for the external storage capacitor for limited time. 7. test condition for so-8: device mounted on fr-4 substrate pcb with minimum recommended pad layout. 8. test condition for msop-8ep and u-dfn3030-8: device mounted on 2? x 2? fr-4 substrate pcb, 2oz copper, with minimum r ecommended pad on top layer and thermal vias to bottom layer ground plane.
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 5 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a 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 500s/div turn-off delay and fall time 500s/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 document number: ds32192 rev. 4 - 2 6 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical performance characteristics (cont.) turn-on delay and rise time 500s/div turn-off delay and fall time 500s/div short circuit current, device enabled into short 500s/div inrush current with different load capacitance 500s/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 document number: ds32192 rev. 4 - 2 7 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical performance characteristics (cont.) 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 document number: ds32192 rev. 4 - 2 8 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical performance characteristics (cont.) 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 document number: ds32192 rev. 4 - 2 9 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical performance characteristics (cont.) c l =100f r l =5 ? t a = +25c c l =100f r l =5 ? t a = +25c c l =1f r l =5 ? t a = +25c c l =1f 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 document number: ds32192 rev. 4 - 2 10 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a typical performance characteristics (cont.) c l =1f vin=5v vin=3.3v vin=3.3v vin=5v uvlo falling uvlo rising v in =5v v out =4v c l =1f v in =5v t a = +25c c l =1f t a = +25c c l =1f
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 11 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a application information power supply considerations a 0.1 f to 1 f x7r or x5r ceramic bypass capacitor between in and gnd, close to the device, is recommended. pl acing a high-value electrolyti c capacitor on the input and output pin(s) is recommended when the output load is heavy. this pr ecaution reduces power-supply tra nsients that may cause ringing on the input. additiona lly, 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 c heck for over-current conditions. unlike current-sense resistors, sense fets do not inc rease the series resistance of the current path. when an overcurrent condition is detected, the device maintains a constant output current 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 first condition, the output has been shorted to gnd before the device is e nabled or before v in has been applied. the ap2162a/ap2172a senses the short circuit and immediately clamps output current to a certain safe level na mely i limit . in the second condition, an output short or an overload occurs wh ile the device is enabled. at the instance the overload occur s, higher inrush current may flow for a very short period of time before the cu rrent limit function can react. the input capacitor(s) rapidly di scharge through the device, activating current limit circuitry. protection is achieved by momentarily o pening the p-mos high-side power switch and then gradually turning it on. after the current limit function has tripped (reac hed the over-current trip thres hold), the device switches int o 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 permitte d to rise until the current-limit threshold (i trig ) is reached or until the thermal limit of the device is exceeded. the ap2162a/ap2172a is capable of delivering current up to the current-limit threshold without damaging the device. once the threshold has been reached, the device switches into it s current limiting mode and is set at i limit . flg response when an over-current or over-temperature s hutdown condition is encountered, the flg open -drain output goes active low after a n ominal 7-ms deglitch timeout. the flg output remains low until both over-cur rent and over-temperature condi tions are removed. connecting a heavy capacitive load to the output of the device can cause a momentary over-current condition, which does not trigger the flg due to the 7-ms d eglitch timeout. the ap2162a/ap2172a is designed to eliminate false over-current reporting without the need of external components to remove unw anted pulses. power dissipation and junction temperature the low on-resistance of the internal mosfet allows the small surface-mount packages to pass large current. using the maximum o perating 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 thermal protection thermal protection prevents the ic from damage when heavy-overl oad 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 distribution switch. on ce the die temperature rises to approximately 140c due to excessive power di ssipation in an over-current or short-circuit condition the i nternal thermal sense circuitry turns the power switch off, thus preventing the power sw itch from damage. hysteresis is built into the thermal sense circuit allowing the device to cool down approximately 25c before the switch turns back on. the switch continues to cycle in this manner until the load fault or input power is removed. the flg open-drain output is asserted when an over-temperature shutdown or over-current occurs with 7-ms degl itch.
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 12 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a application information (cont.) under-voltage lockout (uvlo) under-voltage lockout function (uvlo) keeps the internal power switch from being turned on until the power supply has reached a t least 2v, even if the switch is enabled. whenever the input voltage falls below approximately 2v, the power switch is quickly turned off. this fa cilitates 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 ac tive when enable is disabled or de-asserted. the discharge function with the n-mos po wer switch implementation is activated and offers a re sistive discharge path for the external st orage capacitor. this is designed for dis charging any residue of the output voltage when either no external output resi stance 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 p ower supply must provide from 5.25v to 4.75v to the board side of th e downstream connection under bot h 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 deskt op 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 consi dered hot-plug applications. such implementations require th e control of current surges seen by the main power supply and the card being inser ted. 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 times of the ap2162a/ap2172a, these devices can be us ed to provide a softer start-up to devices being hot-plugged into a powered system. the uvlo feature of the ap2162a/ap2172a also ensures that t he switch is off after the card has been removed, and that the switch is off during the next insertion. by placing the ap2162a/ap2172a between the vcc input and the rest of the circuitry, the input powe r reaches these devices first after insertion. the typical rise time of the switch is appr oximately 1ms, providing a slow voltage ramp at the output of the device. this imple mentation controls system surge current and provides a hot-plugging mechanism for any device. ordering information part number package code packaging 7?/13? tape and reel quantity part number suffix ap21x2asg-13 s so-8 250/tape & reel -13 ap21x2ampg-13 mp msop-8ep 2500/tape & reel -13 ap21x2afgeg-7 fge u-dfn3030-8 3000/tape & reel -7
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 13 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a 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-8ep (3) u-dfn3030-8 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 u-dfn3030-8 aa ap2172afgeg-7 u-dfn3030-8 ab
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 14 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a package outline dimensions (all dimensions in mm.) please see ap02002 at http://www.diodes.com /datasheets/ap02002.pdf for latest version. (1) package type: so-8 (2) package type: msop-8ep (3) package type: u-dfn3030-8 so-8 dim min max a - 1.75 a1 0.10 0.20 a2 1.30 1.50 a3 0.15 0.25 b 0.3 0.5 d 4.85 4.95 e 5.90 6.10 e1 3.85 3.95 e 1.27 typ h - 0.35 l 0.62 0.82 ?? 0? 8 ? all dimensions in mm msop-8ep dim min max typ a - 1.10 - a1 0.05 0.15 0.10 a2 0.75 0.95 0.86 a3 0.29 0.49 0.39 b 0.22 0.38 0.30 c 0.08 0.23 0.15 d 2.90 3.10 3.00 d1 1.60 2.00 1.80 e 4.70 5.10 4.90 e1 2.90 3.10 3.00 e2 1.30 1.70 1.50 e3 2.85 3.05 2.95 e - - 0.65 l 0.40 0.80 0.60 a 0 8 4 x - - 0.750 y - - 0.750 all dimensions in mm u-dfn3030-8 type e dim min max typ a 0.57 0.63 0.60 a1 0 0.05 0.02 a3 ?? ?? 0.15 b 0.20 0.30 0.25 d 2.95 3.05 3.00 d2 2.15 2.35 2.25 e 2.95 3.05 3.00 e ?? ?? 0.65 e2 1.40 1.60 1.50 l 0.30 0.60 0.45 z ?? ?? 0.40 all dimensions in mm gauge plane seating plane detail ?a? detail ?a? e e1 h l d e b a2 a1 a 45 7 ~ 9 a3 0.254 1 d a a1 a2 e e y x seating plane gauge plane l d 8xb see detail c detail c c a e1 e3 a3 e2 4 x 1 0 4 x 1 0 0.25 d1 b (x8) e l (x8) a1 a3 z (x4) d d2 e2 e a
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 15 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a suggested pad layout please see ap02001 at http://www.diodes.com/dat asheets/ap02001.pdf for the latest version. (1) package type: so-8 (2) package type: msop-8ep (3) package type: u-dfn3030-8 dimensions value (in mm) x 0.60 y 1.55 c1 5.4 c2 1.27 dimensions value (in mm) c 0.650 g 0.450 x 0.450 x1 2.000 y 1.350 y1 1.700 y2 5.300 dimensions value (in mm) c 0.65 c1 2.35 x 0.30 y 0.65 y1 1.60 y2 2.75 x c1 c2 y g x c y y2 y1 x1 y (x8) x (x8) c c1 y1 y2
ap2162a/ ap2172a document number: ds32192 rev. 4 - 2 16 of 16 www.diodes.com april 2013 ? diodes incorporated ap2162a/ ap2172a 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, enhancements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated a nd all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. 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. this document is written in english but may be translated into multiple languages for reference. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical com ponents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems 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 proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed 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 the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2013, diodes incorporated www.diodes.com

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