Ordering number : ENA0680B Bi-CMOS LSI LV5215LF 4ch LED Driver 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 Maximum supply voltage VCC max Maximum input voltage 1 Conditions Ratings Unit VCC 6 V V1 max MLED1, MLED2, MLED3, MLED4 6 V Maximum output current IO max ILED 25 mA Allowable power dissipation Pd max Mounted on a circuit board.* Operating temperature Storage temperature * Specified circuit board : 40×50×0.8mm3 0.41 W Topr -30 to +75 °C Tstg -40 to +125 °C : glass epoxy four-layer Recommended Operating Conditions at Ta = 25°C Parameter Supply voltage 1 Symbol VBAT Conditions Ratings Unit 3.0 to 4.5 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. O0610 SY/20707 MS PC 20070118-S00001 No.A0680-1/5 LV5215LF Electrical Characteristics at Unless otherwise specified Ta = 25°C, VBAT = 3.7V Parameter Symbol Ratings Conditions min typ Unit max [Analog Block] Current drain Current drain 1 ICC1 VBAT + VDD current drain. CTL: low 0 5 μA Current drain 2 ICC2 CTL : H 3 5 mA LED Driver Block at R1 = 110kΩ, R2 = 11kΩ LED current 1 ILED1 VO = 0.5V *1 1 2 3 mA LED current 2 ILED2 VO = 0.5V *1 18 20 22 mA Control Circuit Block High level 1 VINH1 High-level input *2 1.5 VBAT V Low level 1 VINL1 Low-level input *2 0 0.3 V Switch on state resistance RON SWI pin : VBAT Ω 200 *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 Pd max -- Ta TOP VIEW Allowable power dissipation, Pd max -- W 0.6 BOTTOM VIEW SIDE VIEW Exposed Die-Pad Do Not Connect 2.0 1 (1.0) 0.25 2.0 (1.0) 12 2 2 1 0.5 (0.5) 0.25 0.0NOM 0.5 0.41 Mounted on a circuit board 0.41 0.4 0.3 0.21 0.2 0.1 0 -40 (0.8) 0.85MAX SIDE VIEW Specified circuit board : 40×50×0.8mm3 glass epoxy four-layer -20 0 20 40 60 80 100 Ambient temperature, Ta -- °C SANYO : VQFN12(2.0X2.0) RT SWO SWI Pin Assignment 9 8 7 GND 10 6 NC VCC 11 5 CTL 4 GND 1 2 3 MLED3 MLED2 MLED1 MLED4 12 Top view No.A0680-2/5 LV5215LF Block Diagram VBAT ILED VCC1 MLED1 MLED2 MLED3 MLED4 VCC LED DRIVER IREF SWI SWO CTL GND IRT R2 11kΩ RT IF R1 110kΩ ILED = 200 × IRT No.A0680-3/5 LV5215LF Pin Equivalent Circuit Pin No. Pin Description 1 MLED3 LED driver pin. 2 MLED2 Feedback is applied so that the current 3 MLED1 flowing in the output transistor becomes 12 MLED4 the set current value. Equivalent Circuit VCC MLED* 10Ω GND 11 VCC Power supply. VCC GND 5 CTL The circuits operate when CTL is high. The circuits stop when CTL is low. VCC 1MΩ CTL 18kΩ GND 9 RT Reference current setting resistor connection. VCC The reference current is created by 30pF connecting an external resistor to ground. The pin voltage is about 1.0 V. The LED driver current value can be 3.5kΩ RT changed by changing this current value. 10kΩ GND 7 SWI Current adjustment. 8 SWO The output current can be adjusted using VCC the SWO pin sink current. SWO SWI 18kΩ 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 October, 2010. Specifications and information herein are subject to change without notice. PS No.A0649-5/5