71608 ms pc 20060719-s00001 no.a1252-1/6 specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LV5622LP overview the LV5622LP is a main/back-up power supply switching ic fo r digital still cameras (dsc) that provices three power supply switching modes (main battery, button battery, and external power supply). the ic incorp orates an internal voltage detector circuit and features low power consumption. functions ? ldo 3 (2.4v, 3.0v, 3.2v) ? input voltage detection circuit (2.45v) ? output switching voltage-detection-circuit (2.42v) ? reset voltage detection circuit (2.2v) specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit supply voltage 1 v cc max1 vin (main power supply input voltage) 10 v supply voltage 2 v cc max2 vbatt (back-up power supply input voltage) 5 v supply voltage 3 v cc max3 vboost (external power supply input voltage) 10 v allowable power dissipation pd max mounted on a specified board. * 550 mw operating temperature topr -30 to +85 c storage temperature tstg -40 to +125 c * specified board : 40mm 50mm 0.8mm, glass epoxy four-layer board (2s2p) operating conditions at ta = 25 c parameter symbol conditions ratings unit supply voltage 1 v cc 1 vin (main power supply input voltage) 2.7 to 4.8 v supply voltage 2 v cc 2 vbatt (back-up power supply input voltage) 3 v supply voltage 3 v cc 3 vboost (external power supply input voltage) 3.5 to 6.0 v bi-cmos lsi for digital still camera main/back-up power supply switching ic orderin g numbe r : ena1252
LV5622LP no.a1252-2/6 electrical characteristics at ta = 25c, vin = 3.7v, unless otherwise specified. ratings parameter symbol conditions min typ max unit current consumption 1 i in no load, vin = 3.7v, vbatt = 3.0v 14 25 a current consumption 2 i batt 1 no load, vin = 3.7v, vbatt = 3.0v 0 0.5 a current consumption 3 i batt 2 no load, vin = open, vbatt = 3.0v 1.0 2.5 a voltage regulator output voltage 1 vout1 i out = 10ma 2.35 2.40 2.45 v dropout voltage 1 vdrop1 i out = 10ma 150 250 mv load stability 1 ldvout1 i out = 100 a-30ma 10 100 mv input stability 1 lnvout1 vin = 2.7v-4.8v, i out = 1ma 5 20 mv output voltage temperature coefficient 1 vout1 ta vout1 ta = -30 c to +85 c 100 ppm/ c output voltage 2 vchg i out = 3ma 2.94 3.00 3.06 v dropout voltage 2 vdrop2 i out = 3ma 150 250 mv load stability 2 ldvchg i out = 100 a-15ma 10 100 mv input stability 2 lnvchg vin = 3.4v-4.8v, i out = 3ma 5 20 mv output voltage temperature coefficient 2 vchg ta vchg ta = -30 c to +85 c 100 ppm/ c output voltage 3 vout3 i out = 20ma 3.13 3.20 3.27 v dropout voltage 3 vdrop3 i out = 20ma 300 350 mv load stability 3 ldvout3 i out = 100 a-60ma 10 100 mv input stability 3 lnvout3 vboost = 3.5v-5.2v, i out = 20ma 5 20 mv output voltage temperature coefficient 3 vout3 ta vout3 ta = -30 c to +85 c 100 ppm/ c voltage detection block bat_off detection voltage -vdet1 vin voltage detection 1 2.40 2.45 2.50 v bat_off reset hysteresis width +vdet1 100 mv reset detection voltage -vdet2 vout voltage detection 2.15 2.20 2.25 v reset reset hysteresis width +vdet2 100 mv reset reset delay time tdelay 0.3 1.00 ms vin detection voltage -vdet3 vin voltage detection 2 2.37 2.42 2.47 v vin reset hysteresis width +vdet3 40 mv detection voltage temperature coefficient 1 -vdet1 ta -vdet1 ta = -30 c to +85 c 100 ppm/ c detection voltage temperature coefficient 2 -vdet2 ta -vdet2 ta = -30 c to +85 c 100 ppm/ c detection voltage temperature coefficient 3 -vdet3 ta -vdet3 ta = -30 c to +85 c 100 ppm/ c bat_off 1.0 ma sink current i sink vds = 0.5v vin = vbatt = 2.0v reset 1.0 ma bat_off 0.5 a leakage current i leak vout = 7v, vin = 7v reset 0.5 a vbatt side on resistance r on batt vin = open, vbatt = 3.0v, i out = 500 a 15 50 sw_vout side on resistance r on sw vin = open, sw_vout = 3.0v, i swvout = 1ma 50 80 pull_upv side on resistance r on pull vin = 3, pull_upv = 3.0v, i pullupv = 1ma 15 50 continued on next page.
LV5622LP no.a1252-3/6 continued from preceding page. ratings parameter symbol conditions min typ max unit control block sel on retention voltage v sel on h active 1.5 v sel off retention voltage v sel off 0.3 v back_cnt on retention voltage v back on h active 0.8vout v back_cnt off retention voltage v back off 0.2vout v sw_vout on retention voltage v sw on l active vout-2.0 v sw_vout off retention voltage v sw off vout-0.5 v pull_upon on retention voltage v up on h active vout-0.5 v pull_upon off retention voltage v up off vout-2.0 v dc_in on retention voltage v dcin on 0.3 v dc_in off retention voltage v dcin off 2.0 v package dimensions unit : mm (typ) 3318 pin assignment 1 2 3 4 pull_upv 5 6 7 8 10 11 12 13 14 16 15 9 sw_vout vbatt vboost sw_on pull_upon gnd dc_in dc_in LV5622LP reset bat_off back_cnt vchg vin vout sel top view 2.6 2.6 0.4 0.8 0.25 (0.035) side view side view bottom view top view laser marked index 0.5 (0.55) (c0.116) (0.13) (0.125) 1 2 16 sanyo : vct16(2.6x2.6) pd max -- ta ambient temperature, ta ? c allowable power dissipation, pd max ? mw ? 30 ? 20 0 20 40 60 80 100 85 0 700 600 500 400 300 200 100 220 550 specified board : 50 40 0.8mm 3 glass epoxy 4-layer (2s2p)
LV5622LP no.a1252-4/6 block diagram output voltage switching sel pin supply voltage vin ldo1 vbatt m1 ldo3 vout vin > 2.42v on off off 2.4v (ldo1 output) sel = l vin < 2.42v off on off vbatt vin > 2.42v off off on 3.2v (ldo3 output) sel = h vin < 2.42v off on off vbatt vout 22k dc_in 1.1k 600 reg 3.2v 60ma reg 3.0v 15ma ldo3 ldo2 dc_in vboost back_cnt vchg pull_upon pull_upv sw_on sw_vout vbatt 22k reset bat_off gnd vbatt m1 reg 2.4v 30ma ldo1 sel 10k 200k li-ion/ ac adaptor vin (2.7 to 4.8v) p type p type n type n type n type p type power supply detection 2.42v hys width 40mv power supply detection 2.45v : l 2.55v : h again input : ldo2 turns on at h-level reset voltage detection : 2.2v hys width 0.1v delay circuit
LV5622LP no.a1252-5/6 pin functions pin no. pin name pin description pin voltage equivalent circuit 1 sw_on sw_on input pin. 14 sw_vout sw_vout pin. 0/vout 14 1 vout 50k 2 pull_upon pull_upon input pin. 15 pull_upv pull_upv output pin. 0/vout 7 bat_off bat_off voltage detector output pin. 0/vout 15 2 vout 50k 7 22k 3 gnd ground. 4 dc_in dc_in output pin. 5 dc_in dc_in input pin. 5 vout 4 1.1k 600 6 reset reset voltage detector output pin. 0/vout vout 6 22k 8 back_cnt back_cnt input pin. vout 8 20k 9 vchg ldo2 output pin. 3.0v vout 9 dc 1.2v continued on next page.
LV5622LP ps no.a1252-6/6 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. continued from preceding page. pin no. pin name pin description pin voltage equivalent circuit 10 vin main battery power supply input pin. 10 11 vout vout output pin. 2.6v/3.2v 13 vbatt back-up power supply input pin. 11 10k 13 12 vboost external power supply voltage input pin. 12 16 sel sel input pin. 16 vout 52k 200k 10k this catalog provides information as of july, 2008. specifications and informat ion herein are subject to change without notice.
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