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Ordering number : ENA0680A
Bi-CMOS LSI
LV5215LF
Overview
For Use in Cell Phones
LED Driver IC
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 = 25C
Parameter Maximum supply voltage Maximum input voltage 1 Maximum output current Allowable power dissipation Operating temperature Storage temperature * Specified circuit board : 40x50x0.8mm3 Symbol VCC max V1 max IO max Pd max Topr Tstg : glass epoxy four-layer VCC MLED1, MLED2, MLED3, MLED4 ILED Mounted on a circuit board.* Conditions Ratings 6 6 25 0.41 -30 to +75 -40 to +125 Unit V V mA W C C
Recommended Operating Conditions at Ta = 25C
Parameter Supply voltage 1 Symbol VBAT Conditions Ratings 3.0 to 4.5 Unit V
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 equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications 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 no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. 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's products or equipment.
20707 MS PC 20070118-S00001 No.A0680-1/5
LV5215LF
Electrical Characteristics at Unless otherwise specified Ta = 25C, VBAT = 3.7V
Parameter [Analog Block] Current drain Current drain 1 Current drain 2 ICC1 ICC2 VBAT + VDD current drain. CTL: low CTL : H 0 3 5 5 A mA Symbol Conditions min Ratings typ max Unit
LED Driver Block at R1 = 110k, R2 = 11k LED current 1 LED current 2 Control Circuit Block High level 1 Low level 1 Switch on state resistance VINH1 VINL1 RON High-level input *2 Low-level input *2 SWI pin : VBAT 1.5 0 200 VBAT 0.3 V V ILED1 ILED2 VO = 0.5V *1 VO = 0.5V *1 1 18 2 20 3 22 mA mA
*1 : ILED will have a value about 200 times that of the current (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
0.6
Pd max -- Ta
Specified circuit board : 40x50x0.8mm3 glass epoxy four-layer Mounted on a circuit board
TOP VIEW 2.0
SIDE VIEW
BOTTOM VIEW Exposed Die-Pad Do Not Connect
Allowable power dissipation, Pd max -- W
0.5 0.41 0.4
0.41
(1.0)
2.0
(1.0)
0.25
0.3
12 2 1 0.5 (0.5)
1
2
0.2
0.21
0.85MAX
SIDE VIEW
0.25
0.1
(0.8)
0 -40
-20
0
20
40
60
80
100
Ambient temperature, Ta -- C
0.0NOM
SANYO : VQFN12(2.0X2.0)
Pin Assignment
SWO
8
9 GND 10 VCC 11 MLED4 12 1
SWI
7 6 NC 5 CTL 4 GND 3
RT MLED3
2
MLED2
MLED1
Top view
No.A0680-2/5
LV5215LF
Block Diagram
VCC1
VBAT
ILED
MLED1
MLED2
MLED3
MLED4
VCC
LED DRIVER
IREF
IF
SWI
SWO
RT
IRT
CTL
GND
R2 11k
R1 110k
ILED = 200 x IRT
No.A0680-3/5
LV5215LF
Pin Equivalent Circuit
Pin No. 1 2 3 12 Pin MLED3 MLED2 MLED1 MLED4 Description LED driver pin. Feedback is applied so that the current flowing in the output transistor becomes the set current value. Equivalent Circuit
VCC MLED*
10 GND
11
VCC
Power supply.
VCC
GND
5
CTL
The circuits operate when CTL is high. The circuits stop when CTL is low.
VCC 1M CTL 18k
GND
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.
VCC 30pF RT 3.5k 10k
GND
7 8
SWI SWO
Current adjustment. The output current can be adjusted using the SWO pin sink current.
VCC
SWO SWI 18k
GND
No.A0680-4/5
LV5215LF
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality 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 accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,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 concerned 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 information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described 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 for 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.
This catalog provides information as of February, 2007. Specifications and information herein are subject to change without notice. PS No.A0649-5/5

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