All rights reserved. The material contained herein may not be reproduced, adapted, merged,
translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
ZSPM4022-12
12V/12A Synchronous DC/DC Buck Regulator
ZSPM4022-12
Functional Diagram
Typical Applications
Servers, work stations
Routers, switches, and telecom
equipment
Base stations
Ordering Information
Product Sales Code
ZSPM4022AA1W12
ZSPM4022-12-KIT
Description
ZSPM4022-12 QFN28 5mmx6mm — Temperature range: –40C to +125C
Evaluation Kit for ZSPM4022-12, including ZSPM4022-12 Evaluation Board.
Package
7” reel with 1000 ICs
Kit
Sales and Further Information
Zentrum Mikroelektronik
Dresden AG
Global Headquarters
Grenzstrasse 28
01109 Dresden, Germany
Central Office:
Phone +49.351.8822.0
Fax
+49.351.8822.600
ZMD America, Inc.
1525 McCarthy Blvd., #212
Milpitas, CA 95035-7453
USA
USA Phone +855.275.9634
Phone +408.883.6310
Fax
+408.883.6358
www.zmdi.com
Zentrum Mikroelektronik
Dresden AG, Japan Office
2nd Floor, Shinbashi Tokyu Bldg.
4-21-3, Shinbashi, Minato-ku
Tokyo, 105-0004
Japan
Phone +81.3.6895.7410
Fax
+81.3.6895.7301
ZMD FAR EAST, Ltd.
3F, No. 51, Sec. 2,
Keelung Road
11052 Taipei
Taiwan
Analog@zmdi.com
Zentrum Mikroelektronik
Dresden AG, Korea Office
U-space 1 Building
11th Floor, Unit JA-1102
670 Sampyeong-dong
Bundang-gu, Seongnam-si
Gyeonggi-do, 463-400
Korea
Phone +82.31.950.7679
Fax
+82.504.841.3026
Phone +886.2.2377.8189
Fax
+886.2.2377.8199
European Technical Support
Phone +49.351.8822.7.772
Fax
+49.351.8822.87.772
European Sales
(Stuttgart)
Phone +49.711.674517.55
Fax
+49.711.674517.87955
DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Zentrum Mikroelektronik Dresden AG (ZMD AG) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. The
information furnished hereby is believed to be true and accurate. However, under no circumstances shall ZMD AG be liable to any customer,
licensee, or any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in
any way related to the furnishing, performance, or use of this technical data. ZMD AG hereby expressly disclaims any liability of ZMD AG to any
customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for
any damages in connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty,
tort (including negligence), strict liability, or otherwise.
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.
ZSPM4022-12
12V/12A Synchronous DC/DC Buck Regulator
Contents
List of Figures .......................................................................................................................................................... 5
List of Tables ........................................................................................................................................................... 5
1 IC Characteristics ............................................................................................................................................. 6
1.1. Absolute Maximum Ratings ....................................................................................................................... 6
2.2. Pin Configuration and Description ........................................................................................................... 17
2.3. Theory of Operation ................................................................................................................................. 19
2.3.5. Current Limit...................................................................................................................................... 23
2.3.6. Power Good (PG).............................................................................................................................. 23
3 Application Information ................................................................................................................................... 25
6 Ordering Information ...................................................................................................................................... 36
7 Related Documents ........................................................................................................................................ 36
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