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 electronics 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. o0610 sy/20707 ms pc 20070118-s00001 no.a0680-1/5 LV5215LF overview the LV5215LF is an led driver ic for use in cell phones. features ? four main led driver circuits ? supports two led current modes ? miniature package ? thermal shutdown function specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max v cc 6v maximum input voltage 1 v 1 max mled1, mled2, mled3, mled4 6 v maximum output current i o max iled 25 ma allowable power dissipation pd max mounted on a circuit board.* 0.41 w operating temperature topr -30 to +75 c storage temperature tstg -40 to +125 c * specified circuit board : 40 50 0.8mm 3 : glass epoxy four-layer recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit supply voltage 1 vbat 3.0 to 4.5 v bi-cmos lsi 4ch led driver orderin g numbe r : ena0680b
LV5215LF no.a0680-2/5 electrical characteristics at unless otherwise specified ta = 25c, vbat = 3.7v ratings parameter symbol conditions min typ max unit [analog block] current drain current drain 1 i cc 1 vbat + vdd current drain. ctl: low 0 5 a current drain 2 i cc 2 ctl : h 3 5 ma led driver block at r1 = 110k , r2 = 11k led current 1 iled1 v o = 0.5v *1 1 2 3 ma led current 2 iled2 v o = 0.5v *1 18 20 22 ma control circuit block high level 1 v in h1 high-level input *2 1.5 vbat v low level 1 v in l1 low-level input *2 0 0.3 v switch on state resistance ron swi pin : vbat 200 *1 : iled will have a value about 200 times that of the curr ent (irt) flowing in the current setting resistor (rt). *2 : the ic operates when ctl is high, and stops when ctl is low. package dimensions unit : mm (typ) 3335 pin assignment sanyo : vqfn12(2.0x2.0) do not connect exposed die-pad 2.0 2.0 0.25 0.0nom (0.8) 0.85max 12 21 12 0.25 0.5 (0.5) (1.0) (1.0) top view side view side view bottom view 1 2 3 mled3 mled2 mled1 4 5 6 9 8 7 12 11 10 gnd ctl nc rt swo swi mled4 v cc gnd top view 0 0.4 0.5 0.41 0.41 0.2 0.3 0.1 0.6 -40 -20 80 40 60 20 0 100 0.21 ambient temperature, ta -- c allowable power dissipation, pd max -- w pd max -- ta specified circuit board : 40 500.8mm 3 glass epoxy four-layer mounted on a circuit board
LV5215LF no.a0680-3/5 block diagram v cc 1 iref mled1 mled2 mled3 mled4 v cc if led driver swi swo rt ctl gnd vbat irt iled r2 11k r1 110k iled = 200 irt
LV5215LF no.a0680-4/5 pin equivalent circuit pin no. pin description equivalent circuit 1 2 3 12 mled3 mled2 mled1 mled4 led driver pin. feedback is applied so that the current flowing in the output transistor becomes the set current value. 11 v cc power supply. 5 ctl the circuits operate when ctl is high. the circuits stop when ctl is low. 9 rt reference current setting resistor connection. the reference current is created by connecting an external resistor to ground. the pin voltage is about 1.0 v. the led driver current value can be changed by changing this current value. 7 8 swi swo current adjustment. the output current can be adjusted using the swo pin sink current. gnd v cc gnd rt v cc 10k 3.5k 30pf 1m 18k gnd ctl v cc swi swo gnd v cc 18k gnd mled* 10 v cc
LV5215LF ps no.a0649-5/5 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 probability. 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. this catalog provides information as of october, 2010. specifications and information herein are subject to change without notice.
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