This is an application note of EVLVIP37LE5V3A, a new power module from ST. It supports wide input voltage range and 5V-3A output. It is suitable for various standby power applications.
The document introduces an offline high voltage converter from the VIPerPlus family, specifically the VIPER37LE, designed for auxiliary power supplies in applications like LCD TVs and desktop computers. The presented demonstration board is optimized for very low standby consumption to meet stringent energy saving requirements.
The note details the test board's design, including electrical specifications such as an output of 5V at 3A with a rated power of 15W. It provides data on efficiency, light load and no-load consumption, protection features like overload and overvoltage, conducted noise measurements, and thermal performance under various line voltages.
| Output voltage | 4.75 V - 5.25 V |
|---|---|
| Output current | 3A |
| Rated output power | 15W |
| Input voltage range | 85 Vac - 265 Vac |
| Active mode efficiency | 70% |
The rated output power is 15W.
The AC main input voltage ranges from 85 Vac to 265 Vac at frequencies of 50 Hz or 60 Hz.
The active mode efficiency is typically 70%.