This document provides preliminary information on a new product under development or evaluation. The product is a high power 3-phase auxiliary power supply evaluation board based on L5991 and ESBT STC08DE150HV. It features an input voltage of 400Vac +/- 20%, output voltage 1 of 24V, 6.25A @ 90kHz, output voltage 2 of 5V, 0.075A @ 90kHz, auxiliary output voltage of 15V, 0.01A, maximum output power of 150W, efficiency greater than 85%, switching frequency greater than 90kHz, and standby switching frequency greater than 35kHz.
This document provides preliminary data for the STEVAL-ISA007V1, a high power 3-phase auxiliary dual output SMPS evaluation board. The design is based on the L5991 PWM controller and the STC08DE150HV Emitter Switched Bipolar Transistor (ESBT). It is intended for industrial applications requiring a wide input voltage range and high output power.
| Output Power | 150W |
|---|---|
| Input Voltage | 400Vac +/- 20% |
| Output Voltage 1 | 24V, 6.25A |
| Output Voltage 2 | 5V, 0.075A |
| Auxiliary Output | 15V, 0.01A |
| Efficiency | > 85% |
| Switching Frequency | > 90kHz |
| Stand-by Frequency | > 35kHz |
The maximum output power is 150W.
The converter operates in Continuous Current Mode at a switching frequency close to 90kHz.
The input voltage range is 400Vac +/- 20%.