STEVAL-VP26K03F STMicroelectronics

STEVAL-VP26K03F Data brief Double output isolated PSR flyback converter for smart meter and PLC systems using VIPER267KDTR Features Double output voltage: 12 V at 0.7 A (1 A peak) and 6 V at 200 mA rms Primary side regulation (PSR) Extended AC mains input voltage range: 85 to 498 V AC EMC with EN55022, EN61000, EN61000-4-4, EN61000-4-5, EN61000-4-6 WEEE compliant RoHS compliant Description The STEVAL-VP26K03F evaluation board implements a double output isolated flyback with primary side regulation (PSR), specifically designed to supply smart meter and PLC systems. The evaluation board has been developed using the VIPER267KDTR offline high- voltage converter, which features a 1050 V avalanche-rugged power section, PWM operation at 60 kHz with frequency jittering for lower EMI, current limiting with 700 mA fixed set point, on-board soft-start, safe auto-restart after fault and low standby power. The power supply provides 12 V at 700 mA (1 A peak) to the power line modem rms (PLM) and the analog circuitry, and 6 V at 200 mA to supply digital circuitry and other low voltage parts. The power supply is designed to operate across a three-phase input mains from 50 to 290 V , but can also be connected to a single phase mains from 85 to 500 V . AC AC Product summary double output isolated PSR flyback converter STEVAL- for smart meter and VP26K03F PLC systems using VIPER267KDTR 1050 V high voltage VIPER267KDTR converter DB3924 - Rev 2 - September 2019 www.st.com For further information contact your local STMicroelectronics sales office.STEVAL-VP26K03F Electrical specifications 1 Electrical specifications Table 1. STEVAL-VP26K03F electrical specifications Parameter Min. Typ. Max. 50 V 290 V Operative AC main input voltage (3-phase connection) - AC AC 85 V 498 V Operative AC main input voltage (2-phase connection) - AC AC Mains frequency 47 Hz - 63 Hz Output voltage 1 V 11 V 12 V 16 V OUT1 10 mA - 700 mA (rms) Output current 1 I OUT1 - - 1000 mA (peak) Output voltage 2 V 5.5 V 6 V 7 V OUT2 Output current 2 I 10 mA - 200 mA OUT2 Maximum peak power - - 13.2 W Maximum rms power - - 9.6 W Efficiency at full load - 78% - Ambient operating temperature -40 C - 85 C DB3924 - Rev 2 page 2/6