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.
ZSLS7031
Isolated and Non-isolated Flyback LED Driver with Active PFC
Circuit Block Diagram
Typical Applications
LED bulb lamps
LED tube lamps
General LED lighting
Ordering Information
Ordering Code
ZSLS7031ZI1R
ZSLS7031KIT-D1
Description
ZSLS7031 Flyback LED Driver IC, MSOP-8
ZSLS7031PCB-D1 Evaluation Board, 5 ZSLS7031 ICs
Package
Tape on Reel
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
LED_Drivers@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.
ZSLS7031
Isolated and Non-isolated Flyback LED Driver with Active PFC
Contents
1
IC Characteristics .......................................................................................................................................................... 6
Startup Voltage .................................................................................................................................................... 10
Soft Start Control ................................................................................................................................................. 10
Gate Output Voltage Clamp ................................................................................................................................. 11
V
SINE
Detection Network and Active PFC ............................................................................................................. 11
Operating Frequency ........................................................................................................................................... 12
Ordering Information ................................................................................................................................................... 21
Document Revision History ......................................................................................................................................... 21
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.
4 of 21
ZSLS7031
Isolated and Non-isolated Flyback LED Driver with Active PFC
Figure 2.3
Figure 2.4
Figure 2.5
Figure 3.1
Figure 3.2
Figure 3.3
Figure 3.4
Figure 5.1
Figure 5.2
Active PFC ................................................................................................................................................... 12
Under-Voltage Lock Out ............................................................................................................................... 14
Absolute Maximum Ratings ............................................................................................................................ 6
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stm32/stm8
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