80614hk/d0810sy 20101125-s00002 no.a1899-1/7 http://onsemi.com semiconductor components industries, llc, 2014 august, 2014 ordering information see detailed ordering and shipping inform ation on page 7 of this data sheet. LV5710GP overview the LV5710GP is power supply for charge pump for camera sensor. functions ? regulating the 5v input by boosting it three-fold with the charge pump to the specified voltage. ? output voltage variable with external resistor. ? soft start function incorporated, whic h reduces the rush current at start of charge pump. ? timer-latch type short-circuit protective function incorporated. specifications absolute maximum ratings at ta = 25 ? c parameter symbol conditions ratings unit maximum supply voltage v dd max 6.0 v allowable power dissipation pd max with specified substrate * 0.55 w operating temperature topr ? 20 to +80 ? c storage temperature tstg ? 40 to +125 ? c * : specified substrate : 114.3mm ? 76.1mm ? 1.6mm, glass epoxy board allowable operating ratings at ta = 25 ? c parameter symbol conditions ratings unit min typ max supply voltage v dd 4.5 5.5 v input ?h? voltage v in h en pin 1.5 v dd v input ?l? voltage v in l en pin ? 0.1 0.4 v bi-cmos lsi power supply for charge pump for camera sensor orderin g numbe r : ena1899a stresses exceeding those listed in the maximum ratings table may damage the device. if any of these limits are exceeded, device functionality should n ot be assumed, damage may occur and reliability may be affected. functional operation above the stresses listed in the recommended operating ranges is not implied. extended exposure to stresses beyond the recomme nded operating ranges limits may affect device r eliab ility. vct20 3x3, 0.5p
LV5710GP no.a1899-2/7 electrical characteristics at ta = 25c, v dd = 5v, i out = 30ma, s0 = l, s1 = l, unless otherwise specified parameter symbol conditions ratings unit min typ max circuit current drain i dd 1 en = l 1 ? a i dd 2 en = h no load 12 18 ma output load current i o ave at v out = 12v setting 30 ma reference voltage vref v dd = 4.5 to 5.5v 1.285 1.305 1.325 v ta = ? 20c to +80c, design value 1.279 1.331 v output voltage at off v off after capacitive discharge ? 50 0 50 mv protective circuit masking time tmask masking time from detection of short-circuit to ic off 18 33 ms short-circuit protective current i lim 35 50 65 ma short-circuit protective voltage v lim 82.5 87.5 92.5 % ss end time t ssend time from en = h to regulator ss off ta = ? 20c to +80c design value 10 ms ro load regulation ? ro load 1ma ? 30ma 30 40 mv input pin current iin pins en 30 40 50 ? a s0 and s1 pins 1 ? a power efficiency peff cp+regulator 70 % rush current irush no load 300 ma oscillation frequency f clk 1.4 1.8 2.3 mhz pd max -- ta ambient temperature, ta ? c allowable power dissipation, pd max ? w 0 0.2 0.4 0.6 0.55 0.8 ? 20 80 0.25 60 20 40 010 0 mounted on a substrate : 114.3 76.1 1.6mm 3 glass epoxy product parametric performance is indicated in the electrical characteristics for the listed test conditions, unless otherwise noted. product per formance may not be indicated by the electrical characteristics if operated under different conditions.
LV5710GP no.a1899-3/7 package dimensions unit : mm vct20 3x3, 0.5p case 601ab issue a xxxxx = specific device code y = year m = month ddd = additional traceability data generic marking diagram* *this information is generic. please refer to device data sheet for actual part marking. xxxxxx ymddd xxxxxx ydd xxxxx = specific device code y = year dd = additional traceability data (unit: mm) 2.70 2.70 0.30 0.50 0.70 soldering footprint* note: the measurements are not to guarantee but for reference only. *for additional information on our pb- free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. 0.20
LV5710GP no.a1899-4/7 pin assignment pin function pin no. name function 1 cpo boost voltage output (6v dd or 5v dd ) 2 nc 3 c2p boost capacitor connection pin (charge transfer side) 4 nc 5 c1p boost capacitor connection pin (charge transfer side) 6 pv dd power system v dd pin 7 nc 8 c2m boost capacitor connection pin (driver side) 9 c1m boost capacitor connection pin (driver side) 10 pgnd power gnd pin for the charge pump 11 nc 12 sgnd small signal system gnd pin 13 s0 charge pump frequency changeover pin 14 test test pin (open or short-circuited to gnd) 15 s1 charge pump frequency changeover pin 16 sv dd small signal system v dd pin 17 en system enable pin (hi active) 18 fb regulator fb pin 19 ro regulator output pin 20 nc top view LV5710GP cpo 1 20 16 17 18 19 6 10 9 8 7 2 3 4 5 11 12 13 14 15 nc c2p pv dd nc c1p pgnd nc c2m c1m nc sv dd nc ro fb en s1 s0 test sgnd
LV5710GP no.a1899-5/7 block diagram equivalent circuit diagram + vref cpo - + - + - c2p 3v in +3v in vou t ro fb 2v in v in m3 m2 m1 pv dd v in = 4.5v to 5.5v clk c1p c1m c2m pv dd pgnd sv dd sgnd s0 s1 en active bandgap voltage reference timing control 2bit mux divider 2mhz osc c2m c1m c1p c2p cpo fb - + 1 f 1 f 4.7 f 1 f 0.22 f ro vref step-up circuit sequence control block
LV5710GP no.a1899-6/7 output voltage setting method the output voltage of ic-incorporated ldo can be determined as follows : vh = r1+r2 r2 ? vref for example, to set the output voltage to 12v, set the resistance value to r1 = 1070k ? /r2 = 130k ? . short-circuit protective operation the ro output pin has the short-circuit protective function. the over-current detector circuit outputs the detection signal when the output current of 50ma (typ) or more flows or when the output voltage drops below 87.5% (typ). when this detection signal is output continuously for 18ms (typ) or more, ic determines that there is over-current and stops the output. to reset from the stop state, set the en pin to ?l?, then set the en pin to ?h? again. equivalent circuit of the over-current detection circuit selecting the frequency according to the logic of s0 and s1, the charge pump operation frequency can be changed. in the case of light load, the r eactive power can be reduced by d ecreasing the operating frequency. s0 s1 cp operating frequency l l 1mhz h l 500khz l h 250khz h h 125khz ro cpo fb r1 r2 vref = 1.3v + vref - fb ro cpo output voltage detection comparator short-circuit detection signal output current detection comparator + 0.875 vref -
LV5710GP ps no.a1899-7/7 startup sequence en pin and v dd the sequence operation is made at startup. however, startup is not made when the internal circuit has not been reset. to reset the internal circuit, keep the en pin to ?l? till v dd becomes 4.5v or more. note that v dd and en pin cannot be short-circuited for this purpose. ordering information device package shipping (qty / packing) LV5710GP-te-l-h vct20 3x3, 0.5p (pb-free / halogen free) 2000 / tape & reel frequency selection s0 v dd en charge pump output cpo regulator output ro * cp clock 1mhz * cp clock 500khz * cp clock 250khz * cp clock 125khz * ic internal signal start at 1mhz steady operation start at 1mhz ss end 10ms (max) ss end 10ms (max) steady operation do not allow the signal to change frequency selection frequency selection do not allow the signal to change frequency selection do not allow the signal to change frequency selection frequency selection do not allow the signal to change s1 set en = h after setting v dd = 4.5v or more never allow v dd to decrease below 4.5v till en = l is established stop with en = l or for over- current protection on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc) or its subsidiaries in the united st ates and/or other countries. scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a lis ting of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf . scillc reserves the right to make changes with out further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any parti cular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specific ations can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated fo r each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc pro ducts are not designed, intended, or authorized for use as com ponents in systems int ended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees ar ising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that sci llc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject t oall applicable copyright laws and is not for resale in any manner.
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