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ap7342 document number: ds37614 rev. 2 - 2 1 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 dual 150ma high psrr low noise ldo with enable description the ap7342 is a dual low dropout regulator with high output voltage accuracy, low r dson , high psrr, low output noise and low quiescent current. this regulator is based on a cmos process. each regulator includes a voltage reference, error amplifier, curr ent limit circuit and an enable input to turn on/off ou tput . with the integrated resistor network, fixed output voltage versions can be delivered. with its low power consumption and line and load tr ansient response, the ap7342 is well suited for low power handheld communication equipment. the ap7342 is packaged in x2-dfn1212-6 package and allows for smallest footprint and dense pcb layout. features ? low v in and wide v in range: 1.7v to 5.25v ? guarantee output current: 150ma ? v out accuracy 1% ? ripple rejection: 75db at 1khz ? low output noise: 60vrms from 10hz to 100khz ? quiescent current as low as 35a ? v out fixed 1.2v to 3.6v ? totally lead-free & and fully rohs compliant (notes 1 & 2) ? halogen and antimony free, green device (note 3) pin assignments applications ? smart phone/pad ? rf supply ? cameras ? portable video ? portable media player ? wireless adapter ? wireless communication notes: 1. no purposely added lead. fully eu directi ve 2002/95/ec (rohs) & 2011/65/eu (rohs 2) complian t. 2. see http://www.diodes.com/quality/lead_free.htm l for more information about diodes incorporated?s definitions of halogen- and antimony-free, "green" and lead-free. 3. halogen- and antimony-free "green? products are defined as those which contain <900ppm bromine, <9 00ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. typical applications circuit
ap7342 document number: ds37614 rev. 2 - 2 2 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 pin descriptions pin number pin name function 1 v out1 channel 1 output voltage pin 2 v out2 channel 2 output voltage pin 3 gnd ground 4 en2 chanel 2 enable pin this pin should be driven either high or low and mu st not be floating. driving this pin high enables channel 2 output, while pulling it low puts chanel 2 regulator into shutdown mode. 5 v in power input pin 6 en1 chanel 1 enable pin this pin should be driven either high or low and mu st not be floating. driving this pin high enables channel 1 output, while pulling it low puts chanel 1 regulator into shutdown mode. ? thermal pad in pcb layout, it is preferred to use large copper area to cover this pad for bett er thermal dissipation, then connect this area to gnd or leave it open. however, do not use it as gnd electrode function alone. functional block diagram ap7342 (no discharge) ap7342 (with discharge)
ap7342 document number: ds37614 rev. 2 - 2 3 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 absolute maximum ratings (@ t a = +25c, unless otherwise specified.) (note 4) symbol parameter rating unit v in input voltage 6.0 v v en input voltage at en pins 6.0 v v out output voltage -0.3 to v in +0.3 v i out output current 180 ma p d power dissipation 600 mw t a operating ambient temperature -40 to +85 c t stg storage temperature -55 to +125 c note: 4. stresses beyond those listed under a bsolute maximum ratings may cause permanent damage to the device. these are stress ratings only and functional oper ation of the device at these conditions is not impl ied. exposure to absolute-maximum-rated conditions for extended periods may affect device r eliability. recommended operating conditions (@ t a = +25c, unless otherwise specified.) symbol parameter min max unit v in input voltage 1.7 5.25 v i out output current 0 150 ma t a operating ambient temperature -40 +85 c
ap7342 document number: ds37614 rev. 2 - 2 4 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 electrical characteristics (@ t a = +25c, v in = v out +1v (v out > 1.5v), v in = 2.5v (v out 1.5v), i out = 1ma, c in = c out = 1.0f, unless otherwise specified.) parameter conditions min typ max unit input voltage t a = -40c to +85c 1.7 ? 5.25 v output voltage accuracy (note 11) v in = (v out-nom +1.0v) to 5.25v, i out = 1ma to 150ma t a = +25c -1 ? 1 % t a = -40c to +85c -1.5 ? 1.5 line regulation ( v out / v in /v out ) v in = (v out-nom +1.0v) to 5.25v, i out = 1.0ma ? 0.02 0.1 %/v load regulation ( v out / i out ) v in = v out-nom +1.0v, i out = 1ma to 150ma ? 15 30 mv quiescent current (note 6) set en1 high, set en2 low, or set en2 high, set en1 low, no load ? 35 50 a set en1/en2 high, no load ? 70 100 a i standby set en1/en2 low, no load ? 0.1 1.0 a output current ? 300 ? ? ma fold-back short current (note 7) v out short to ground ? 55 ? ma psrr (note 8) v in = (v out +1v) v dc + 0.2vp-pac, v out 1.8v, i out = 30ma f = 1khz ? 75 ? db output noise voltage (notes 8 & 9) bw = 10hz to 100khz, i out = 30ma ? 60 ? vrms dropout voltage (note 5) i out = 150ma v out 1.2v ? 0.48 0.59 v 1.2v < v out 1.4v ? 0.39 0.50 1.4v < v out 1.7v ? 0.35 0.44 1.7v < v out 2.1v ? 0.30 0.39 2.1v < v out 2.5v ? 0.26 0.34 2.5v < v out 3.0v ? 0.25 0.30 3.0v < v out 3.6v ? 0.22 0.29 output voltage temperature coefficient i out = 30ma, t a = -40c to +85c ? 30 ? ppm/c en input low voltage ? 0 ? 0.5 v en input high voltage ? 1.3 ? 5.25 v en input leakage v en = 0v, v in = 5.0v or v en = 5.0v, v in = 0v -1.0 ? 1.0 a on resistance of n-channel for auto- discharge (note 10) v in = 4.0v, v en = 0v (disabled) d version, chanel 1 & 2 ? 50 ? notes: 5. dropout voltage is the voltage differen ce between the input and the output at which the ou tput voltage drops 2% below its nominal value. 6. quiescent current is defined here is the diff erence in current between the input and the output. 7. short circuit current is measured with v out pulled to gnd. 8. this specification is guaranteed by design. 9. to make sure lowest environment noise minimiz es the influence on noise measurement. 10. ap7342 has 2 options for output, built-in di scharge and non-discharge 11. potential multiple grades based on following output voltage accuracy.
ap7342 document number: ds37614 rev. 2 - 2 typical characteristics 5 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342
ap7342 document number: ds37614 rev. 2 - 2 typical characteristics (cont.) 6 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342
ap7342 document number: ds37614 rev. 2 - 2 typical characteristic (cont.) load transient response waveforms(v 2.8v time t (s) output voltage input voltage 0 20 40 60 80 output voltage v out (v) 2.80 2.78 2.82 1.8v time t (s) output voltage input voltage 0 20 40 60 80 output voltage v out (v) 1.80 1.78 1.82 7 of 14 www.diodes.com load transient response waveforms(v in =v out +1v, c in =c out1 =c out2 =0.47 4 3 2 input voltage v in (v) 0 20 40 60 80 4 3 2 input voltage v in (v) march 2015 ? diodes incorporated ap7342 f, t a =25c)
ap7342 document number: ds37614 rev. 2 - 2 8 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 typical characteristics (cont.) load transient response waveforms(v in =v out +1v, c in =c out1 =c out2 =0.47 f, t a = +25c) turn on waveform of output discharge versions (v in =v out +1v, c in =c out1 =c out2 =0.47 f, t a = +25c) 2.8v time t (s) output voltage output current 0.1ma ? 150ma 0 80 160 240 320 400 output voltage v out (v) 200 100 0 c out =0.47f output current i out (ma) 2.9 2.8 2.7 3.1 3.0 2.9 output voltage iout=30ma 1.8v time t (s) output voltage output current 0.1ma ? 150ma 0 80 160 240 320 400 output voltage v out (v) 200 100 0 c out =0.47f output current i out (ma) 1.9 1.8 1.7 3.4 3.3 3.2 output voltage iout=30ma 2.8v time t (s) output voltage output current 50ma ? 100ma 0 80 160 240 320 400 output voltage v out (v) 150 100 50 0 c out =0.47f output current i out (ma) 2.9 2.8 2.7 3.1 3.0 2.9 output voltage iout=30ma 1.8v time t (s) output voltage output current 50ma ? 100ma 0 80 160 240 320 400 output voltage v out (v) 150 100 50 0 c out =0.47f output current i out (ma) 1.9 1.8 1.7 3.4 3.3 3.2 output voltage iout=30ma
ap7342 document number: ds37614 rev. 2 - 2 9 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 typical characteristics (cont.) turn off waveform of output discharge versions (v in =v out +1v, c in =c out1 =c out2 =0.47 f, t a = +25c) application information output capacitor an output capacitor (c out ) is needed to improve transient response and maint ain stability. the ap7342 is stable with very small ceramic output capacitors. the esr (equivalent series resistance) and capacitance drives the selection. if the applic ation has large load variations, it is recommended to utilize low-esr bulk capacitors. it is recommended to place ceramic capacitors as close as possible to the load and the gnd pin and care should be taken to reduce the impedance in the layout. input capacitor to prevent the input voltage from dropping during l oad steps, it is recommended to utilize an input ca pacitor (c in ). a minimum 0.47 f ceramic capacitor is recommended between v in and gnd pin to decouple input power supply glitch. this input capacitor must be located as close as possible to the device to assure input stability an d reduce noise. for pcb layout, a wide copper trace is required for both v in and gnd pin. enable control the ap7342 is turned on by setting the en pins high , and is turned off by pulling it low. if this feat ure is not used, the en pins should be tied to v in pin to keep the regulator output on at all time. to ensure proper operation, the signal source used to drive the en pins must be able to swing above and below the specified turn-on/off voltage thresho lds listed in the electrical characteristics sectio n. short circuit protection when v out pins are short-circuit to gnd, short circuit prote ction will be triggered and clamp the output curren t to approximately 60ma. this feature protects the regulator from overcurrent and damage due to overheating. layout considerations for good ground loop and stability, the input and o utput capacitors should be located close to the inp ut, output, and gnd pin of the device. the regulator gnd pin should be connected to the extern al circuit ground to reduce voltage drop caused by trace impedance. ground plane is generally used to reduce trace impedance. wide trace should b e used for large current paths from v in to v out and load circuit. 2.8v time t (s) output voltage ce input voltage 0 40 80 120 160 200 output voltage v out (v) 0 2 2 4 ce input voltage v ce (v) i out =0ma i out =30ma i out =150ma 0 4 1.8v time t (s) output voltage ce input voltage 0 40 80 120 160 200 output voltage v out (v) 0 1 3 2 1 2 ce input voltage v ce (v) i out =0ma i out =30ma i out =150ma 0
ap7342 document number: ds37614 rev. 2 - 2 esr vs. output current ceramic type output capacitor is recommended for th is series; however, the other output capacitors wit h low esr between i out (output current) and esr of an output capacitor are shown measurement conditions: frequency band: 10hz to 2mhz ordering information ch1/ ch output discharge ch 1 12 : 1. 2 15 : 1. 5 18 : 1. 8 25 : 2. 5 28 : 2. 8 30 : 3. 0 33 : 3. 3 36 : 3. 6 blank : non-discharge d : output discharge device package code ap7342-xxxxfs6-7 fs6 ap7342d-xxxxfs6-7 fs6 0.001 0.01 0.1 1 10 100 0 50 100 150 200 esr ( ) output current i out (ma) esr vs. output current ap7342-18 10 of 14 www.diodes.com ceramic type output capacitor is recommended for th is series; however, the other output capacitors wit h low esr (output current) and esr of an output capacitor are shown below. the stable region is marked as the hatched area in the graph. frequency band: 10hz to 2mhz , temperature: ?40c to +85c. ap7342x xxxx fs6 C CC C 7 package ch 2 output voltage fs6 : x2-dfn1212-6 1 ch2 2 v 12 : 1.2v 5 v 15 : 1.5v 8 v 18 : 1.8v 5 v 25 : 2.5v 8 v 28 : 2.8v 0 v 30 : 3.0v 3 v 33 : 3.3v 6 v packaging 7? tape and reel quantity x2-dfn1212-6 5,000/tape & reel x2-dfn1212-6 5,000/tape & reel 200 250 300 (ma) esr vs. output current - 40 c 85 c 0.001 0.01 0.1 1 10 100 0 50 100 150 esr ( ) output current i esr vs. output current ap7342- 33 march 2015 ? diodes incorporated ap7342 ceramic type output capacitor is recommended for th is series; however, the other output capacitors wit h low esr can also be used. the relations marked as the hatched area in the graph. 7 : tape & reel packing 7? tape and reel part number suffix -7 -7 200 250 300 output current i out (ma) esr vs. output current 33 - 40 c 85 c
ap7342 document number: ds37614 rev. 2 - 2 11 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 marking information (1) x2-dfn1212-6 part number v out1 /v out2 package identification code ap7342-3028fs6-7 3.0v/2.8v x2-dfn1212-6 caa ap7342-3328fs6-7 3.3v/2.8v x2-dfn1212-6 cab ap7342d-1218fs6-7 1.2v/1.8v x2-dfn1212-6 cac ap7342d-1528fs6-7 1.5v/2.8v x2-dfn1212-6 cad ap7342d-1815fs6-7 1.8v/1.5v x2-dfn1212-6 cae ap7342d-1818fs6-7 1.8v/1.8v x2-dfn1212-6 caf ap7342d-1828fs6-7 1.8v/2.8v x2-dfn1212-6 cag ap7342d-1833fs6-7 1.8v/3.3v x2-dfn1212-6 cah ap7342d-2518fs6-7 2.5v/1.8v x2-dfn1212-6 caj ap7342d-2812fs6-7 2.8v/1.2v x2-dfn1212-6 cak ap7342d-2818fs6-7 2.8v/1.8v x2-dfn1212-6 cam ap7342d-2825fs6-7 2.8v/2.5v x2-dfn1212-6 can ap7342d-2833fs6-7 2.8v/3.3v x2-dfn1212-6 cap ap7342d-3018fs6-7 3.0v/1.8v x2-dfn1212-6 car ap7342d-3028fs6-7 3.0v/2.8v x2-dfn1212-6 cas ap7342d-3030fs6-7 3.0v/3.0v x2-dfn1212-6 cat ap7342d-3318fs6-7 3.3v/1.8v x2-dfn1212-6 cau ap7342d-3328fs6-7 3.3v/2.8v x2-dfn1212-6 cav ap7342d-3330fs6-7 3.3v/3.0v x2-dfn1212-6 caw AP7342D-3333FS6-7 3.3v/3.3v x2-dfn1212-6 cax ap7342d-3612fs6-7 3.6v/1.2v x2-dfn1212-6 cay
ap7342 document number: ds37614 rev. 2 - 2 12 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 package outline dimensions (all dimensions in mm.) please see ap02002 at http://www.diodes.com/datashe ets/ap02002.pdf for the latest version. suggested pad layout please see ap02001 at http://www.diodes.com/datashe ets/ap02001.pdf for the latest version. x2 - dfn1212 - 6 dim min max typ a - 0.40 0.39 a1 0.00 0.05 0.020 a 3 - - 0.13 b 0.13 0.23 0.18 d 1.15 1.25 1.20 d2 0.89 0.99 0.94 e 1.15 1.25 1.20 e2 0.25 0.35 0.30 e - - 0.40 k 0.15 0.25 0.20 l 0.15 0.25 0.20 z - - 0.11 z1 - - 0.05 all dimensions in mm dimensions value (in mm) c 0.400 g 0.150 x 0.250 x1 0.940 x2 1.050 y 0.400 y1 0.300 y2 1.400 a a3 seating plane a1 d e l b d2 e2 e k pin 1 id c0.15 z z1 y2 x2 c y1 x1 x y g
ap7342 document number: ds37614 rev. 2 - 2 13 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 tape orientation note: the taping orientation of the other packag e type can be found on our website at http://www.di odes.com/datasheets/ap02007.pdf.
ap7342 document number: ds37614 rev. 2 - 2 14 of 14 www.diodes.com march 2015 ? diodes incorporated ap7342 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 warranti es of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisd iction). diodes incorporated and its subsidiaries reserve th e right to make modifications, enhancements, improv ements, corrections or other changes without further notice to this document and any pro duct described 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 cu stomer or user of this document or products describ ed 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 incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products pur chased through unauthorized sales channel. should customers purchase or use diodes incorporate d products for any unintended or unauthorized appli cation, customers shall indemnify and hold diodes incorporated and its representatives ha rmless against all claims, damages, expenses, and a ttorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized appl ication. products described herein may be covered by one or more united states, international or foreign patent s pending. product names and markings noted herein may also be covered by one or more uni ted states, international or foreign trademarks. this document is written in english but may be tran slated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes i ncorporated. life support diodes incorporated products are specifically not a uthorized for use as critical components in life su pport 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 per form when properly used in accordance with instruct ions 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 lif e support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affe ct its safety or effectiveness. customers represent that they have all necessary ex pertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsi ble for all legal, regulatory and safety-related re quirements concerning their products and any use of diodes incorporated products in such safety- critical, life support devices or systems, notwiths tanding any devices- or systems-related information or support that may be provided by diod es incorporated. further, customers must fully ind emnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such saf ety-critical, life support devices or systems. copyright ? 2015, diodes incorporated www.diodes.com

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