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ap3585a/b/c document number: ds36819 rev. 1 - 2 1 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product single phase synchronous buck pwm controller description the ap3585a/b/c is a compact sy nchronous-rectified buck controller specifically designed to operate from 4.5v to 13.2v supply voltage and deliver high-quality output voltage as low as 0.8v (ap3585a) or 0.6v (AP3585B/c). this so-8ep device operates at fixed 300khz/200khz frequency and provi des an optimal level of integration to reduce size and cost of the power supply. this controller integrates internal mosfet drivers that support 12v+12v bootstrapped voltage for high- efficiency power conversion. the bootstrap diode is built-in to simplify the circuit design and minimize external part count. this controller provides single feedback loop, voltage-mode control with fast transient response. the error amplifier features a 10mhz gain-bandwidth product and 6v/ s slew rate which enables high converter bandwidth for fast transient performance. other features include internal soft-start, under voltage protection, over current protection and shutdown function. with afore mentioned functions, this part provides cust omers a compact, high efficiency, well-protected and cost-effective solution. the ap3585a/b/c is available in so-8 and so-8ep packages. features ? supply voltage: 4.5v to 13.2v v in input range: 3.3v to 12v 0.8v/0.6v to 80% of v in output range internal reference: 0.8v/0.6v ? simple single-loop control voltage-mode pwm control duty cycle: 0% to 80% fast transient response ? 10mhz high-bandwidth error amplifier with 6v/ s slew rate ? fixed oscillator frequency: 300khz/200khz ? lossless, programmable over current protection (uses lower mosfet r ds(on) ) ? start-up into pre-biased load ? built-in thermal shutdown ? built-in soft-start ? over current protection ? over voltage protection ? under voltage protection ? integrated boot diode ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) pin assignments (top view) (so-8/ m package) (top view) (so-8ep/ mp package) applications ? subsystem power supplies pci, agp, graphics cards, digital tv sstl-2 and ddr/2/3 sdram bus termination supply ? cable modems, set top boxes, and dsl modems ? industrial power supplies and general purpose supplies 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 information a bout diodes incorporated?s definitions of halogen- a nd antimony-free, "green" and lead-free. 3. halogen- and antimony-free "green? products are defined as th ose which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. 1 2 3 4 8 7 6 5 boot ugate gnd phase comp/en fb vcc lgate/ocset 1 2 3 4 8 7 6 5 boot ugate gnd lgate/ocset phase comp/en fb vcc exposed pad 9
ap3585a/b/c document number: ds36819 rev. 1 - 2 2 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product typical applications circuit pin descriptions pin number pin name function so-8 so-8ep 1 1 boot bootstrap pin. connect a bootstrap capac itor from this pin to phase for creating a boot voltage suitable to drive a standard n-channel mosfet. 2 2 ugate upper-gate drive pin. connect this pin to the upper mosfet gate providing the gate drive. this pin is monitored by the adaptive shoot- through protection circuitry to determine when the upper mosfet has turned off. 3 3 gnd ground for the ic. all voltage levels are measured with respect to this pin. connect this pin directly to the low side mosfet source and ground plane with the lowest impedance. the exposed pad must be soldered to a large pcb and connected to gnd for maximum power dissipation. 4 4 lgate/ocset low-side gate driver output and over-current setting input. this pin is the gate driver for low-side mosfet. it is also used to set the maximum inductor current. refer to the section in ?function description? for detail. 5 5 vcc bias supply pin. provides a 4.5v to 13.2v bias supply for the chip from this pin. the pin should be bypassed with a capacitor to gnd. 6 6 fb feedback pin. this pin is the inverting input of the internal error amplifier. use fb pin, in combination with the comp pin, to compensate the voltage control feedback loop of the converter. a resistor divider from output to gnd is used to set the output voltage. 7 7 comp/en compensation and disable pin. this pin is the output of the error amplifier. pull comp pin low will shut down the ic. 8 8 phase this pin connects to the source of the upper mosfet and the drain of the lower mosfet. this pin is also monitored by the adaptive shoot-through protection circuitry to determine w hen the upper mosfet has turned off. ? 9 exposed pad exposed pad as ground pin.
ap3585a/b/c document number: ds36819 rev. 1 - 2 3 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product functional block diagram
ap3585a/b/c document number: ds36819 rev. 1 - 2 4 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product absolute maximum ratings (note 4) symbol parameter rating unit v cc supply input voltage -0.3 to 15 v v boot-phase boot to phase voltage -0.3 to 15 v v ugate ugate to phase voltage dc -0.3 to v boot- phase +0.3 v <200ns -5 to v boot- phase +5 v phase phase to gnd voltage dc -0.3 to 15 v <200ns -5 to 30 v lgate lgate to gnd voltage dc -0.3 to v cc +0.3 v <200ns -5 to v cc +5 other pin voltage -0.3 to 6 v p d power dissipation so-8 0.87 w so-8ep 1.43 ja thermal resistance (junction to ambient) so-8 115 oc/w so-8ep 70 jc thermal resistance (junction to case) so-8 22 oc/w so-8ep 22 t j junction temperature -40 to +150 oc t stg storage temperature -65 to +150 oc t lead lead temperature (soldering, 10 sec) +260 oc ? esd (human body model) (note 5) 2000 v ? esd (machine model) (note 5) 200 v notes: 4. stresses greater than those listed under ?absolute ma ximum ratings? may cause permanent damage to the device. these a re stress ratings only, and functional operation of the device at th ese or any other conditions beyond those indicated under ?recommended operating conditi ons? is not implied. exposure to ?absolute maximum ratings? for extended periods may affect device reliability. 5. devices are esd sensitive. handling precaution is recommended. recommended operating conditions symbol parameter min max unit v cc supply input voltage 4.5 13.2 v t a operating ambient temperature -40 +85 ? c electrical characteristics (v cc = 12v, t a = +25 o c, unless otherwise specified.) symbol parameter conditions min typ max unit supply input i cc supply current ugate and lgate pins open; switching ? 5 ? ma i cc_q quiescent supply current v fb = v ref +0.1v, no switching ? 4 ? ma v in power input voltage ? 3.0 ? 13.2 v
ap3585a/b/c document number: ds36819 rev. 1 - 2 5 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product electrical characteristics (cont. v cc = 12v, t a = +25 o c, unless otherwise specified.) symbol parameter conditions min typ max unit power on reset v por v cc rising threshold v cc rising 4.0 4.2 4.4 v v por_hys v cc threshold hysteresis ? ? 500 ? mv error amplifier g dc_ol open loop dc gain ? 55 70 ? db g bw gain-bandwidth product ? ? 10 ? mhz sr slew rate ? 3 6 ? v/s ? transconductance ? ? 800 1100 a/v ? output source current v fb < v ref 80 120 ? a ? output sink current v fb > v ref 80 120 ? a pwm controller gate drivers i ug_src upper gate source current v boot -v phase = 12v, v boot -v ugate = 6v ? -1.0 ? a i ug_snk upper gate sink current v boot -v phase = 12v, v boot -v ugate = 6v ? 1.5 ? a r ugate upper gate sink resistance 50ma source current ? 2 4 ? i lg_src lower gate source current v cc -v lgate = 6v ? -1 ? a i lg_snk lower gate sink current v lgate = 6v ? 1.5 ? a r lgate lower gate sink resistance 50ma source current ? 1 2 ? ? phase falling to lgate rising delay v phase < 1.2v to v lgate > 1.2v ? 30 ? ns ? lgate falling to ugate rising delay v lgate < 1.2v to (v ugate -v phase ) > 1.2v ? 30 ? ns ? minimum duty cycle ? ? 0 ? % ? maximum duty cycle ? 75 82 89 % oscillator f osc oscillator frequency ap3585a/b 270 300 330 khz ap3585c 180 200 220 ? v osc ramp amplitude ? ? 1.4 ? v p-p reference voltage v fb feedback voltage ap3585a 0.788 0.8 0.812 v AP3585B/c 0.591 0.6 0.609 v i fb feedback bias current v fb = 5v ? 10 50 na protection v fb_uvp under voltage protection ? 0.3 0.4 0.5 v v fb_ovp over voltage protection ap3585a ? 1.1 ? v AP3585B/c ? 0.8 ? i ocset oc current source ? 9 10 11 a v ocp_max built-in maximum ocp voltage ? ? 0.375 ? v t ss soft-start interval ap3585a ? 2 ? ms AP3585B ? 1.5 ? ap3585c ? 2.4 ? v comp/en enable threshold ? 0.25 0.30 0.35 v t otsd thermal shutdown ? ? +160 ? oc t hys thermal shutdown hysteresis ? ? +20 ? oc
ap3585a/b/c document number: ds36819 rev. 1 - 2 6 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product performance characteristics line regulation load regulation switching frequency vs. temperature switching frequency vs. input volt age reference voltage vs. temperature reference voltage vs. input voltage 5 6 7 8 9 10111213 -1.0 -0.5 0.0 0.5 1.0 output voltage variation (%) input voltage (v) v out =1.5v 0 2 4 6 8 101214161820 -4 -3 -2 -1 0 1 2 3 4 output voltage variation (%) output current (a) v out =1.5v -40-20 0 20406080100120140 270 275 280 285 290 295 300 305 310 315 320 ap3585a/b switching frequency (khz) temperature ( o c) 4 5 6 7 8 9 10 11 12 13 14 270 275 280 285 290 295 300 305 310 315 320 ap3585a/b switching frequency (khz) input voltage (v) -40 -20 0 20 40 60 80 100 120 0.800 0.802 0.804 0.806 0.808 0.810 0.812 0.814 0.816 ap3585a reference voltage (v) temperature ( o c) 4 5 6 7 8 9 10 11 12 13 14 0.790 0.792 0.794 0.796 0.798 0.800 0.802 0.804 0.806 0.808 0.810 ap3585a reference voltage (v) input voltage (v)
ap3585a/b/c document number: ds36819 rev. 1 - 2 7 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product performance characteristics (cont.) power-on waveform (v in = 12v, v out = 1.5v, i out = 0a) enable-on waveform (v in = 12v, v out = 1.5v, i out = 0a) load transient response load transient response (v in = 12v, v out = 1.5v, i out = 0a to 10a) (v in = 12v, v out = 1.5v, i out = 0a to 20a) over current protection (v in = 12v, v out = 1.5v) under voltage protection (v in = 12v, v out = 1.5v) v in 10v/div v out 1v/div time 4ms/div v out 1v/div v comp 0.5v/div v lgate 5v/div v comp 0.5v/div v ugate 20v/div v lgate 10v/div time 4ms/div v out_ac 50mv/div i out 5a/div time 400s/div v out_ac 50mv/div i out 10a/div time 400s/div v out 1v/div v out 1v/div v phase 10v/div v comp 1v/div i out 50a/div time 10ms/div v ugate 20v/div v lgate 10v/div v comp 1v/div time 20ms/div
ap3585a/b/c document number: ds36819 rev. 1 - 2 8 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product performance characteristics (cont.) over voltage protection (v in = 12v, v out = 1.5v) v out 1v/div v ugate 20v/div time 20ms/div v lgate 10v/div v comp 1v/div
ap3585a/b/c document number: ds36819 rev. 1 - 2 9 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product functional descriptions the ap3585a/b/c is a voltage-mode single phase synchronous buck cont roller with embedded mosfet drivers. this part provides com plete protection functions such as over voltage protection, under voltage protection and over current protection. inductor current in formation is sensed by r ds(on) of the low side mosfet. the over current protecti on threshold can be simply programmed by a resistor. power on reset and chip enable a power on reset (por) circuitry continuously monitors the supply voltage at vcc pin. once the rising po r threshold is exceeded , the ap3585a/b/c sets itself to active state and is ready to accept chip enable command. the rising por threshold is typically 4.2v at vcc rising. the comp/en is a multifunctional pin: control loop compensation and chip enable as shown in figure 1. an enable comparator moni tors the comp/en pin voltage for chip enable. a signal level transistor is adequate to pull this pin down to ground and shut down ap3585 a/b/c. a 120a current source charges the external compens ation network with 0.45v ceiling when this pin is released. if the voltage at comp/e n pin exceeds 0.3v, the ap3585a/b/c initiates its soft start cycle. the 120a current source keeps charging t he comp pin to its ceiling until the feedba ck loop boosts the comp pin higher than 0.4 5v according to the feedback signal. the current source is cut off when v comp is higher than 0.45v during normal operation. + - + - 0.3v 0.45v enable enable comp error amplifier disable enable 120 ? a figure 1. chip enable function soft start a built-in soft start is used to prevent surge current from power supply input v in during turn-on (referring to the functional block diagram). the error amplifier is a three-input device. reference voltage v ref or the internal soft start voltage ss whic hever is smaller dominates the behavior of the non-inverting inputs of the error amplifier. ss internally ramps up to 0.8v in 2ms for ap3585a (to 0.6v in 1.5ms for ap3585 b and 0.6v in 2.4ms for ap3585c) after the soft start cycle is initiated. t he ramp is created digitally, so there will be 100 small discrete steps. accordingly, the output voltage will follow the ss signal and ramp up smoothly to its target level. the ss signal keeps ramping up after it exc eeds the internal 0.8v for ap3585a (0.6v for AP3585B/c) reference voltage. however, the internal 0.8v for ap3585a (0.6v for AP3585B/c) reference voltage takes over the behavior of error amplifier after ss > v ref . when the ss signal climbs to its ceiling voltage (4.2v), ap3585a/b/c claims the end of soft start cycle and enables the under voltage protection of the o utput voltage. figure 2 shows a typical start up interval for ap3585a/b/c wher e the comp/en pin has been released from a grounded (system shut down) state. the internal 120a current source starts charge the compensation network after the co mp/en pin is released from ground at t1. t he comp/en exceeds 0.3v and enables the ap3585a/b/c at t2. the comp/en continues ramping up the stays at 0.45v before the ss starts rampin g at t3. the output voltage follows the internal ss and ramps up to its final level during t3 and t4. at t4, the reference voltage v ref takes over the behavior of the error amplifier as the internal ss crosses v ref . the internal ss keeps ramping up and stays at 4.2v at t5, where ap3585a/b/c asserts the end of soft start cycle. v in 10v/div v out 0.5v/div comp 0. 5v/d iv lgate 10v/div 1ms/div figure 2. soft start behavior of ap3585a/b/c
ap3585a/b/c document number: ds36819 rev. 1 - 2 10 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product functional descriptions (cont.) power input detection the ap3585a/b/c detects phase voltage for the present of power input v in when ugate turns on the first time. if the phase voltage does not exceed 2.0v when ugate turns on, ap3585a/b/c asserts that v in is not ready and stops the soft start cycle. however, the internal ss continues ramping up to v dd . another soft start is initiated after ss ramps up to v dd . the hiccup period is about 1ms. figure 3 shows the start-up waveform where v in does not present initially. v in 10v/div v out 0.5v/div i l 10a/div l g at e 1 0 v / div 1ms/div figure 3. soft start where v in does not present initially over current protection (ocp) a resistor r ocset connected from lgate pin sets the threshold. an internal current source i ocset (10a typically), flowing through r ocset determines the ocp trigger point, which c an be calculated using the following equation: if r ocset is absent or larger than 40k ? , ap3585a/b/c will work in build-in maximum ocp mode. then the current limit will be: because the r ds(on) of mosfet increases with temperature, it is necessary to take this thermal effect into consi deration in calculating ocp point. when ocp is triggered, both ugate and lgate will go low to stop t he energy transfer to the load. controller will try to restart in a hiccupped way. figure 4 shows the hiccupped over current protection. figure 4. hiccupped over current protection over voltage protection (ovp) the feedback voltage is continuously monitored for over voltage protection. when ovp is triggered, lgate will go high and ugate will go low to discharge the output capacitor. the ap3585a/b/c provides full-time over vo ltage protection whenever soft start complete s or not. the typical ovp threshold is 1 37.5% of the internal reference voltage v ref . ap3585a/b/c provides non-latched ovp. the controller will retu rn to normal operation if over voltage condition is removed. under voltage protection (uvp) the feedback voltage is also monitored for under voltage protec tion. the under voltage protection has 15s triggered delay. whe n uvp is triggered, both ugate and lgate will go low. unlike ocp, uvp is not a latched protection; controller will always try to restart in a hiccupped way. mosfet side low the of r r i i ds(on) ocset ocset limit ? ? ) ( limit / 375 i on ds r mv ?
ap3585a/b/c document number: ds36819 rev. 1 - 2 11 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product functional descriptions (cont.) thermal shutdown if the junction temperature of t he device reaches the thermal shutdown limit of +160c, the pwm and the oscillator are turned o ff and ugate and lgate are driven low, turning off both mosfets. when the junction cools to the required level (+140c nominal), the pwm initiat es soft start as during a normal power-up cycle. output voltage selection the output voltage can be programmed to any level between the 0.8v (for ap3585a) internal reference (0.6v for AP3585B/c) to the 80% of v in supply. the lower limitation of output voltage is caused by the internal reference. the upper limitation of the output voltage is caused by the maximum available duty cycle (80%). this is to leave enough time for over-current detection. output voltage out of this range i s not allowed. a voltage divider sets the output voltage (refer to the typica l application circuit). in real applications, choose r1 in 100 ? to 10k ? range and choose appropriate r2 according to the desired output voltage. ap3585a AP3585B/c pcb layout considerations high speed switching and relatively large peak currents in a sync hronous-rectified buck converter make the pcb layout a very im portant part of design. switching current from one power device to another ca n generate voltage spikes across the impedances of the interconnec ting bond wires and circuit traces. the voltage spikes can degrade efficiency and radiate noise, which results in over-voltage stress on device s. careful component placement layout a printed circuit design can minimize the voltage spikes induced in the converter. follow the below layout guidelines for optimal performance of ap3585a/b/c. 1. the turn-off transition of the upper mosfet prior to turn -off, the upper mosfet was carrying the full load current. during t urn-off, current stops flowing in the upper mosfet and is picked up by the low side mo sfet. any inductance in the switched path generates a large volt age spike during the switching interval. careful component selections, layout of the critical components, and use shorter and wider pcb t races help in minimizing the magnitude of voltage spikes. 2. the power components and the pwm controller should be placed fi rstly. place the input capacit ors, especially the high-freque ncy ceramic decoupling capacitors, close to the power switches. place the output inductor and output capacitors between the mosfets and the load. also locate the pwm controller near mosfets. 3. use a dedicated grounding plane and use vias to ground all crit ical components to this layer. use an immediate via to connec t the component to ground plane including gnd of ap3585a/b/c. 4. apply another solid layer as a power plane and cut this plane into smaller islands of common voltage levels. the power plane should support the input power and output power nodes. use copper filled poly gons on the top and bottom circuit layers for the phase node. 5. the phase node is subject to very high dv/dt voltages. stra y capacitance between this island and the surrounding circuitry t end to induce current spike and capacitive noise coupling. keep the sensitive circuit away from the phase node and keep the pcb area small to limit the capacitive coupling. however, the pcb area should be kept moderate since it also acts as main heat convection path of the lower mosfet. 6. the pcb traces between the pwm controller and the gate of mosf et and also the traces connecti ng source of mosfets should be sized to carry 2a peak currents. r2 r2 r1 0.8v v out ? ? ? r2 r2 r1 0.6v v out ? ? ?
ap3585a/b/c document number: ds36819 rev. 1 - 2 12 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product ordering information diodes ic?s pb-free products with "g1" suffix in the part number, are rohs compliant and green. package temperature range part number marking id packing so-8 -40c to +85c ap3585amtr-g1 3585am-g1 4000/tape & reel AP3585Bmtr-g1 3585bm-g1 4000/tape & reel ap3585cmtr-g1 3585cm-g1 4000/tape & reel so-8ep ap3585amptr-g1 3585amp-g1 4000/tape & reel AP3585Bmptr-g1 3585bmp-g1 4000/tape & reel ap3585cmptr-g1 3585cmp-g1 4000/tape & reel marking information (1) so-8 (top view) (top view) first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number
ap3585a/b/c document number: ds36819 rev. 1 - 2 13 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product marking information (cont.) (2) so-8ep (top view) (top view) (top view) first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number first and second lines: logo and marking id third line: date code y: year ww: work week of molding a: assembly house code xx: 7 th and 8 th digits of batch number
ap3585a/b/c document number: ds36819 rev. 1 - 2 14 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product package outline dimensions (all dimensions in mm(inch).) (1) package type: so-8 0 8 1 7 r 0 . 1 5 0 ( 0 . 0 0 6 ) 1.000(0. 039) 0.300(0. 012) 0.510(0. 020) 1.350(0. 053) 1.750(0. 069) 0.100(0. 004) 0.300(0. 012) 3.800(0. 150) 4.000(0. 157) 7 7 2 0 : 1 d 1.270(0. 050) typ 0.150(0. 006) 0.250(0. 010) d 5.800(0. 228) 6.200(0. 244) 0.600(0. 024) 0.725(0. 029) 0.320(0. 013) 0.450(0. 017) 0.820(0. 032) 4.700(0.185) 5.100(0. 201) note: eject hole , oriented hole and mold mark is optional . option 1 option 1 option 2 0.350(0. 014) typ typ typ 9 9
ap3585a/b/c document number: ds36819 rev. 1 - 2 15 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product package outline dimensions (cont. all dimensions in mm(inch).) (2) package type: so-8ep 2.750(0.108) 3.402(0.134)
ap3585a/b/c document number: ds36819 rev. 1 - 2 16 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product suggested pad layout (1) package type: so-8 dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) value 6.900/0.272 3.900/0.154 0.650/0.026 1.500/0.059 1.270/0.050
ap3585a/b/c document number: ds36819 rev. 1 - 2 17 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f diodes incorporated new product suggested pad layout (cont.) (2) package type: so-8ep g e x x1 y y1 z dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) x1 (mm)/(inch) y1 (mm)/(inch) e (mm)/(inch) value 6.900/0.272 3.900/0.154 0.650/0.026 1.500/0.059 3.600/0.142 2.700/0.106 1.270/0.050
ap3585a/b/c document number: ds36819 rev. 1 - 2 18 of 18 www.diodes.com january 2014 ? diodes incorporated ap3585a/b/c a product line o f 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 descri bed herein. diodes incorporated does not assume any liability ari sing 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 and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability w hatsoever 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 ? 2012, diodes incorporated www.diodes.com

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