STEVAL-ISA009V1 VIPer53-E single output reference design board with 90 to 264 VAC input and 24 W output Data Brief Features ■ Switch-mode general-purpose power supply ■ Current mode control with adjustable limitation ■ 75% efficiency ■ Output short-circuit and overload protection ■ Thermal shutdown protection ■ Meets EN55022 class B EMI specification ■ Blue Angel compliant STEVAL-ISA009V1 Description This reference design board is an offline widerange power supply that incorporates the VIPer53-E, and is set up for secondary regulation by driving the PWM controller through an optocoupler. The switching frequency is set at 100 kHz and the total output power is 24 W. December 2007 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 C1 0.04 7uF 4 1 2 3 BR1 KBP2 10GDI All resistors are 1/4 W 5% unless specified. All capacitors are in uF and 50 V unless specified. N CON 2 85 to 264Vac J1 1 2 L R1 5 oh m s 1W FUSE 0 .5A 5 X20 m m 250V F1 2 X 30 mH C1 2 10 uF 400V C2 22u F 400V C4 2 2u F 2 5V 0 1 2 8 7 6 5 C3 10 0pF 1kV U1 VIPer22 A Sou rce Sou rceFb D rain D rainVd d D rain D rain 3 4 0 D1 1N4148 R2 2k 0.5 W 9.1 k R7 0 4 2 3 1 . . . . 0 W1 . . . . 7 8 6 5 C6 2 2nF 50V Y1 cap C8 4.7 nF T1 CVP32 -0 02 U3 TL431 ST U2 H11A817A R4 68 10 uH L2 R5 2.4 3k 1% C11 0.01uF 50V R6 47 0 C9 2 20u F 2 5V C5 680 uF 25V BYW1 00-20 0 D3 D2 1N58 21 4 2/4 1 5V GND R8 2.49k 1% R9 15 k 0.5W 12V Rtn 12V @ 0.42A C7 10 0u F 2 5V J2 CON4 1 2 3 4 Figure 1. 3 1 2 L1 30mH Board schematic STEVAL-ISA009V1 Board schematic Schematic STEVAL-ISA009V1 2 Revision history Revision history Table 1. Document revision history Date Revision 28-Nov-2007 1 Changes Initial release 3/4 STEVAL-ISA009V1 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 4/4