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PRODUCT INFORMATION
Vol. 73
Composite Devices for Use in DC-DC Converters Developed Newly-developed Schottoky barrier diode incorporated to achieve increased efficiency
CPH5701, CPH5704, CPH6702
Overview
The market for portable equipment such as notebook personal computers, digital still cameras, and camcorders continues to grow rapidly. Not only are increased functionality and improved performance desired in these products, but there are also strong demands for even further miniaturization and reduced power consumption. Miniaturization and increased efficiency in the DC-DC converters used in this equipment are necessary to respond to these needs for further miniaturization and reduced power consumption, and the demands for these are unceasing. Miniaturization and improved performance in the Schottoky barrier diodes and bipolar transistors are the key to miniaturization in DC-DC converters. Based on Sanyo's basic transistor concept, "Light weight, fast, energy-saving, and environmentallyconsidered," Sanyo has optimized the Schottoky barrier metal formation process, the silicon material epitaxial formation conditions, and the impurities distribution profile. This has allowed Sanyo to succeed in developing a Schottoky barrier diode based on the LOW-VF-II structure that achieves the industry's lowest forward voltage of 0.3 V (typical). Furthermore, Sanyo has combined this device with a Sanyo bipolar transistor developed in March of this year that achieves the industry's highest collector-emitter saturation voltage performance and has packaged these two devices in the CHP miniature multi-pin package. Thus Sanyo has succeeded in developing a composite device for use in DC-DC converters that achieves both miniaturization and improved performance. By developing this new combined device, DC-DC converter loss can be improved by 10 to 20% over circuits using earlier Sanyo products. Furthermore, the use of this composite device can reduce the mounting area by about 1/2 while maintaining essentially equivalent characteristics when used to replace individual Schottoky barrier diodes and transistors. Thus this product can contribute to miniaturization and improved performance in DC-DC converters.
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
TOKYO OFFICE: Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 1
PRODUCT INFORMATION
Features
* The built-in Schottoky barrier diode provides a VF of 0.3 to 0.35 V (typical), which corresponds to the industry's lowest-VF performance. * DC-DC converter loss can be reduced by 10 to 20% as compared to circuits using earlier Sanyo products. * As compared to circuits using individual devices, this product achieves a mounting area reduction of about 1/2, and thus can contribute to DC-DC converter miniaturization.
Specifications
Rating Type No. Package Tr VCEO (V) -12 15 -15 IC (A) -3.0 3.0 -1.5 SBD VRRM (V) 15 15 30 IO (A) 1.0 1.0 0.7 Max. (mV) -165 150 -180 Electrical characteristics VCE (sat) VF Condition Typ. Max. (IC/IB) (V) (V) -1.5 A/-30 mA 0.30 0.35 1.5 A/30 mA 0.30 0.35 -0.75 A/-15 mA 0.35 0.40 IF condition (A) 0.5 0.5 0.3
CPH5701 CPH5704 CPH6702
CPH5 CPH5 CPH6
The minus symbol (-) indicates a pnp transistor.
Applications
* DC-DC converters for digital still cameras, digital camcorders, MD players, PDAs, and other miniature portable equipment.
Sample Availability
Samples of the CPH5701, CPH5704 and CPH6702 are available in January 1999; production quantities of the CPH5701, CPH5704 and CPH6702 will be anticipated in June 1999.
DECEMBER 21, 1998
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
2
PRODUCT INFORMATION
s 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. s 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. s 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. s 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. s 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 exported without obtaining the export license from the authorities concerned in accordance with the above law. s 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. s 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. s 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.
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
PS 10899/73
3

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