The STEVAL-ISA062V1 is a 6 W dual output SMPS demonstration board from STMicroelectronics based on the VIPER17H converter. This June 2009 data brief lists its input, output, regulation, efficiency, safety and EMI features.
The document also includes a schematic diagram and a revision history. The board has an 85 Vac to 264 Vac input range, 5 V at 0.5 A and 12 V at 0.25 A outputs, and 5.5 W output power.
| Input voltage range | 85 Vac to 264 Vac |
|---|---|
| Input frequency | 47 Hz to 63 Hz |
| Output voltage and current #1 | 5 V at 0.5 A |
| Output voltage and current #2 | 12 V at 0.25 A |
| Output power | 5.5 W |
| Load and cross regulation #1 | +/-1% |
| Load and cross regulation #2 | +/-10% |
| Line regulation | +/- 0.2% |
| Efficiency | 80% typical at 12 V output |
| EMI | EN55022 class “B” |
| Safety | overvoltage, overcurrent, brown out |
| Standby wattage | as low as 50 mW at no load |
| VIPer17H switching frequency | 115 kHz |
| VIPer17H output power, wide range | 6 W |
| VIPer17H output power, European range | 10 W |
The STEVAL-ISA062V1 has an input voltage range of 85 Vac to 264 Vac.
The board's output power is 5.5 W.
The VIPer17H switches at 115 kHz.
Standby wattage is as low as 50 mW at no load.