STEVAL-ISA184V1

STEVAL-ISA184V1 5 V-12 V, 15 W double output isolated flyback converter based on VIPer37LD Data brief Description The STEVAL-ISA184V1 evaluation board implements an isolated flyback double output (5 V / 1.2 A and 12 V / 0.75 A) 15 W wide range mains developed for general purpose applications. The core of the application is the VIPer37LD offline high voltage converter from the VIPerPlus family. The device is a high-voltage converter that intelligently integrates an 800 V rugged power MOSFET with PWM current-mode control. Features         Universal input mains range: 85 – 265 VAC; frequency: 50 – 60 Hz Output voltage 1: 5 V / 1.2 A Output voltage 2: 12 V / 0.75 A Very compact size Standby mains consumption: < 40 mW at 230 VAC Average efficiency: > 75% EMI: according to EN55022-Class-B RoHS compliant December 2016 The main characteristics of the evaluation board are its small size and minimal BOM, high efficiency and low standby consumption. Extremely low consumption under no-load conditions is ensured thanks to burst mode operation, which reduces the average switching frequency and minimizes all frequency-related losses. The VIPer37LD operates at 60 kHz fixed frequency, and frequency jittering is implemented to help meet the standards regarding electromagnetic disturbance. The several protections on the device like overvoltage, overload, output short circuit, secondary winding short, hard transformer saturation protection and brown out protections improve the safety and reliability of the design. DocID030129 Rev 1 For further information contact your local STMicroelectronics sales office 1/4 www.st.com RV J1 1 C4 47uF 50V CON2 3 CM Choke 2 100nF 320V C1 + 1 - 1.6 A FUSE F1 3 4 4 BR R7 Dz2 18Vz 22nF C3 330 R2 1.8M 47uF 400V C2 J3 D4 330pF 22k R3 22nF C5 BAT46ZFILM JUMPER 1.8M R1 C16 D3 39k R6 3 5 CONT BR 180k R5 BAT46ZFILM 1 10 R4 12Vz Dz3 1.5nF C6 2 FB R10 R9 BAT46ZFILM D2 D1 STTH1L06 CONTROL VDD IC1 270k R18 VIPer37L C7 100 100 4.7k R8 22nF GND DRAIN 6 7 8 9 10 1 2 4 3 1 9 8 7 6 4 3 12V SFH6106-2T OPTO1 C15 Y1 2.2nF TRANSFORMER T1 TS432 3 IC2 1.2k R12 STPS5H100B D6 STPS2H100A D5 4 3 2 1 2 1 2 1 RMB6S 2 1 2 4 DocID030129 Rev 1 2 2/4 C11 12V L2 C9 R14 68k R16 5V 220uF 2.2uH 180k 10nF C14 470k R13 1200uF C8 330uF L1 2.2uH C10 2.2nF 12V 220uF 12Vz 22k R17 330k R15 Dz4 C13 2.2nF R11 12k 5V 5V 1.2A C12 12V 12V 0.75A 2 1 1 5 Schematic diagram STEVAL-ISA184V1 Schematic diagram Figure 1: STEVAL-ISA184V1 circuit schematic GSPG1907160940SG STEVAL-ISA184V1 2 Revision history Revision history Table 1: Document revision history Date Version 13-Dec-2016 1 Changes Initial release. DocID030129 Rev 1 3/4 STEVAL-ISA184V1 IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2016 STMicroelectronics – All rights reserved 4/4 DocID030129 Rev 1