Details, datasheet, quote on part number: STK7561J
DescriptionChopper Type Parallel 2-output Voltage Regulator
CompanySanyo Semiconductor Corporation
DatasheetDownload STK7561J datasheet
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Features, Applications

Serial printers, line printers, office automation equipment. Floppy disk units, portable VCRs.

2 outputs for microconputer power supply (5V) and motor drive power supply (12V) and capable of delivering 2 regulated voltage outputs form 1 rectifier. Chopper type permitting high efficiency, and separate excitation type oscillator common to 2 outputs causing no beat trouble. Independent overcurrent protectors for 2 outputs (Foldback characteristics) External signal-used output cutoff function (Output 2). High-precision setting of output voltage eliminating the need to use a variable resistor for adjustment. One input/output GND line making it possible for other negative voltage to be used jointly. A negative voltage regulator (5V, 12V, etc.) can be connected externally. Output voltage, output current constituting a series.


Parameter Maximum DC Input Voltage Maximum Output Current Thermal Resistance Operating Case Temperature Junction Temperature Storage Temperature Symbol

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 products described or contained herein.

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Parameter Output Voltage Ripple Voltage Line Regulation Load Regulation Overcurrent Trip Start Current Efficiency Operating Frequency Cutoff Voltage Temperature Coefficient Condition 1 Condition 1 Condition 2 Condition 3 Condition 4 Condition 5 Condition 1 Condition 1 Condition 0.025 6 Conditions See specified Test Circuit. min 4.9 Output 1 Ratings typ 5.0 max typ at outputs 1, 2 operating mode 35kHz typ at outputs 1, 2 operating mode 3V or more 1V or less OFF 0.01 min 11.8 Output 2 Ratings typ 12.0 max 40 V mV/V mV/A A 20 mVrms Unit

(Note) Condition 5V1A, 12V1A Condition 5V1A, 12V1A Condition 3 Output to 6A Output to 4A Condition : Vin(DC)=25V Condition 5V2.5A, 12V1A

Since pin 12 is grounded to the substrate, noise may be affected when a heat sink is connected to the FG (Frame Ground), GND line, etc. In this case. bring the heat sink to floating state or use an insulating sheet.

* The N.C. pin (pin 18) must not be used as a relay pin for other line, pin. * Pins connected inside the IC must be also connected on the printed circuit board.

Specifications of any and all SANYO 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. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or 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 products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be expor ted without obtaining the expor t 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 permission of SANYO Electric 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 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. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.

This catalog provides information as of November, 1999. Specifications and information herein are subject to change without notice.


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