STEVAL-ISA019V3

STEVAL-ISA019V3 80 W ESBT quasi-resonant wide-range SMPS demonstration board based on the L6565 for 3-phase applications Data brief Features ■ 3-phase 80 W auxiliary output SMPS ■ Quasi-resonant SMPS ■ Input: 180 VAC to 600 VAC ■ Output voltage: 24 V, 3.3 A ■ Maximum output power: 80 W ■ Efficiency > 80 % ■ Switching frequency > 50 kHz ■ Safety compliant according to EN60950 ■ Feedback: secondary regulation ■ RoHS compliant STEVAL-ISA019V3 Description The STEVAL-ISA019V3 demonstration board is a 3-phase auxiliary power supply with an 80 W dual output SMPS, using the L6565 PWM driver and the STC04IE170HP ESBT as the main switch. The combination of these ST parts provides a high-efficiency solution for high DC input voltage, a typical requirement of any 3-phase application. The necessity to handle both high output power and wide input voltage is resolved using a flyback stage working in mixed operation mode: discontinuous and continuous. April 2011 Doc ID 018778 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 60-550 50VA VAC 160 1 2 J1 D3 07 1N4007 D1 1N4007 07 220u 450V 50V D4 1N4007 07 D2 07 1N4007 F2 1A T1A NTC1 10R R4 180k 0k 10k R18 18 1M1 R10 10 C12 12 1n R11 11b 0R 3V D9 STTH108 08 D7 TTH108 108 STT D8 1R 1R5 0.6W 6W R16 16 R11 2 4 T2 2 turn turns VCC 1R5 0.6W R17 17 R15 1k 10R R12 + C6 470p 0p C9 4 U1 565N L6565N 2k2 R13 13 100n 47u 50V 10 C5 STC04IE17 170HP Q1 VOGT SL0512 05122021 02101 1 4 12 3 STT TTH108 turn urns 2 D10 10 R7 39k 2W D6 D11 11 COMP CS 2 1N4148 4148 T1 9 8 7 Ns 12 11 10 2n2 C11 11 10p ISO1 86H-6017C 017C DELTA 86 2 Naux Na 6 3 C10 56k 5 Np R14 2R2 STPS PS1150 R5 VFF INV 1M1 R9 1M1 0n 150n C8 VCC R8 C2 + R3 200k 0k R2 0k 200k C7 6.8n 2kV 1 3 220u 450V 0V R6 39k 2W 7 R1 180k 0k 8 OUT 3 GND VCC 1 C1 + 5 ZCD 6 17 PC817 D5 + C4 + L431 TL431 3 U2 C13 10n 0n R21 15k 2.7k 7k R22 22 47k 7k 47k 3k3 R20 20 R19 19 1k5 1k2 R26 26 R24 R23 1000u 0u 35V 5V 1000u 000u 35V 10 C3 PS20120D 0120D STPS 4 3 Doc ID 018778 Rev 1 1 2/4 2 24VDC 24 2 1 J3 Figure 1. 1 1 2 Circuit schematic STEVAL-ISA019V3 Circuit schematic Demonstration board schematic AM07972V1 STEVAL-ISA019V3 2 Revision history Revision history Table 1. Document revision history Date Revision 28-Apr-2011 1 Changes Initial release. Doc ID 018778 Rev 1 3/4 STEVAL-ISA019V3 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. 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