This is a three-output flyback converter evaluation board based on ST's VIPer53-E chip, with an input voltage range of 85VAC-300VAC, and output voltages of 12V, 3.3V, and -24V, with output currents of 1A, 100mA, and 40mA, respectively.
The STEVAL-ISA029V1 is a compact power supply demonstration board designed for DVD and set-top box applications. It functions as an isolated triple-output flyback converter suitable for wide-range input voltage operation. The board provides three distinct voltage outputs: +12 V, +3.3 V, and -24 V.
| Input voltage range | 85 Vac — 300 Vac |
|---|---|
| Output 1 voltage | 12 V (+/-5%) |
| Output 1 current | 1 A |
| Output 2 voltage | 3.3 V (+/-2%) |
| Output 2 current | 100 mA |
| Output 3 voltage | -24 V (+/-10%) |
| Output 3 current | 40 mA |
| Safety compliance | EN60950 |
| EMI compliance | EN55022-B |
It is a compact power supply designed for DVD and set-top box demonstration boards.
The input voltage range is 85 Vac to 300 Vac.
The board provides 12 V at 1 A, 3.3 V at 100 mA, and -24 V at 40 mA.