Ordering number : ENA1676A Bi-CMOS LSI LV59025M 2.5V Constant-Voltage Power Supply IC Overview The LV59025M is a constant-voltage power supply IC. It is the best for the constant-voltage power supply of the battery machine used. Features • 2.5V output • Output current of 1A obtainable (VIN1, VIN2 ≥ 3.5V) • Low current consumption • MFP8 (200mil) package, ensuring easy mounting design • With ON/OFF-switch Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum power supply Symbol Conditions Ratings Unit VIN1 VIN1 pin 6.2 V VIN2 VIN2 pin 6.2 V Allowable power dissipation Pd max Mounted on a specified board.* 1.45 W Operating Temperature Topr -30 to +85 °C Storage Temperature Tstg -40 to +125 °C * Specified board: 50mm × 50mm × 1.6mm, glass epoxy both sides Recommended Operating Ranges at Ta = 25°C Parameter power supply Output current Symbol Conditions Ratings Unit VIN1 VIN1 pin 2.6 to 6 V VIN2 VIN2 pin 2.6 to 6 V 0 to 1 A IO 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. 93010 SY/30310 SY 20100219-S00002 No.A1676-1/7 LV59025M Electrical Characteristics at Ta = 25°C, VIN1 = VIN2 = 4.3V Parameter Symbol Ratings Conditions min typ Unit max 160 μA 1 μA 2.55 V Current drain IVIN CTL = 4.3V, IO = 0mA Standby current ISTBY CTL = Low 110 Output voltage VO IO = 10mA Dropout voltage Vdrop1_1 IO = 1A 1.0 V Vdrop1_2 IO = 0.3A 0.4 V Load Regulation VLD IO = 5mA to 1A 10 50 mV Line Regulation VLN VIN1 = VIN2 = 2.6V to 6V, IO = 10mA 10 50 Voltage temperature coefficient ΔVT Ta = -30 to +85°C, IO = 10mA * ±100 Ripple Rejection VRL IO = 10mA, VRpp=1V, fRR = 1kHz * 65 dB Output Noise Voltage VON 20Hz < f < 20kHz * 150 μVrms Output 2.45 2.50 mV ppm/°C CTL pin High level voltage VCTLH Low level voltage VCTLL Input current ICTL 1.5 5 0 VCTL = 6V V 0.3 V 8.5 μA * Design guarantee Package Dimensions unit : mm (typ) 3372 Pd max -- Ta TOP VIEW SIDE VIEW BOTTOM VIEW 5.0 (3.4) (2.6) 0.43 6.0 4.4 8 1 2 0.35 0.15 1.27 Specified board: 50×50×1.6mm3 glass epoxy both sides. 1.5 1.45 1.0 0.58 0.5 0 -30 -20 1.7 MAX (1.5) SIDE VIEW 0.05 (0.65) Allowable power dissipation, Pd max -- W 2.0 0 20 40 60 80 85 100 Ambient temperature, Ta -- °C SANYO : MFP8(200mil) No.A1676-2/7 LV59025M Pin Assignment VIN1 1 8 GND 7 NC NC 2 LV59025M VIN2 3 6 VO CTL 4 5 NC Top view Specified Board (Top side) Specified Board (Bottom side) Note: The substrate is common with LV59012M. Block Diagram VIN1 10μF VIN2 CTL 1 6 VO 4.7μF 3 4 Signal power supply Current Limit BANDGAP Reference Thermal Protection 8 GND Pins 2,5,7 NC Connect and use VIN1 and VIN2. No.A1676-3/7 LV59025M Pin Function Pin No. Pin name Function 1 VIN1 Power system supply pin. 6 VO Output voltage pin. Equivalent circuit 1 VIN1 6 VO 300Ω 8 GND 2 NC No contact. 3 VIN2 Signal system power supply pin. 4 CTL ON/OFF control pin. VIN2 3 10kΩ CTL 4 1.5MΩ GND 8 5 NC No contact. 7 NC No contact. 8 GND Ground pin. IVIN -- Ta 130 VIN1 = VIN2 = 4.3V VIN1 = VIN2 = 4.3V 120 0.075 110 0.050 100 0.025 90 -40 -20 0 ISTBY -- Ta 0.100 20 40 60 80 0 -40 100 -20 VLN -- Ta 1.5 Load regulation, VLD -- mV Line regulation, VLN -- mV 1.0 0.75 0 20 40 60 80 100 80 100 VIN1 = VIN2 = 4.3V IO = 5mA~1A 1.25 -20 20 VLD -- Ta 8 VIN1 = VIN2 = 2.6~6V IO = 10mA 0.5 -40 0 Ambient temperature, Ta -- C Ambient temperature, Ta -- C 40 60 Ambient temperature, Ta -- C 80 100 6 4 2 -40 -20 0 20 40 60 Ambient temperature, Ta -- C No.A1676-4/7 LV59025M Vdrop1_1 -- Ta 0.9 Vdrop1_2 -- Ta 0.20 IO = 0.3A 0.8 Dropout voltage, Vdrop1_2 -- V Dropout voltage, Vdrop1_1 -- V IO = 1A 0.7 0.6 0.5 0.4 0.3 -40 -20 0 20 40 60 80 0.15 0.10 0.05 0 -40 100 -20 Ambient temperature, Ta -- C VO -- Ta 2.52 CLT threshold voltage, VCLTth -- V Output voltage, VO -- V 2.50 2.49 0 20 40 60 80 0.50 -40 100 100 -20 0 20 40 60 80 100 Ambient temperature, Ta -- C ICTL -- Ta VO -- IO 4 VIN1 = VIN2 = 4.3V Output voltage, VO -- V 4.5 3.0 1.5 -20 80 0.75 VCTL = 6V 0 -40 60 1.00 Ambient temperature, Ta -- C 6 40 VIN1 = VIN2 = 4.3V 2.51 -20 20 VCLTth -- Ta 1.25 VIN1 = VIN2 = 4.3V IO = 10mA 2.48 -40 0 Ambient temperature, Ta -- C 0 20 40 60 80 100 Ambient temperature, Ta -- C 2 1 0 0 0.5 1.0 1.5 2.0 Output current, IO -- A VRL -- fRR 100 3 Ripple rejection, VRL -- dB VRpp = 1V IO = 10mA 80 60 40 20 0 0.01 2 3 5 7 0.1 2 3 5 7 1 2 3 5 7 10 2 3 5 7 100 Ripple frequency, fRR -- kHz No.A1676-5/7 Output voltage, VO -- V CTL input voltage, VCLT -- V 7 IO = 0mA 4 2 0 4.0 4.0 2.0 2.0 0 t -- ms Output voltage, VO -- V CTL input voltage, VCLT -- V Output voltage, VO -- V Output current, IO -- A 800 Output voltage, VO -- V Input voltage, VIN -- V Load response 100mA 600mA 600 400 200 0 2.6 2.5 2.4 0.2ms / div Output voltage, VO -- V Output current, IO -- A LV59025M 200 Load response 150 50mA 150mA 100 50 0 2.52 2.50 2.48 Input response 6 IO = 100mA 5 4 2.55 2.50 2.45 CTL ON IO = 0mA CTL OFF 4 2 0 0 t -- ms 1ms / div No.A1676-6/7 LV59025M Radiation Pad • Radiation pad is high impedance and connected with a substrate of IC. • Use radiation pad by GND or opening. 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 September, 2010. Specifications and information herein are subject to change without notice. PS No.A1676-7/7