STMicroelectronics 1500V MOSFET based DEMOBOARDS MPA Systems Lab – Power Supply Team

2 SMPS for 3-Ph Input 1500V MOSFET The SMPS have been designed for industrial applications for auxiliary power supplies; The input voltage in such applications can range between 230Vac and 460Vac; The proposed power supplies are based on the high voltage power MOSFET, with VDS=1500V; The power supply topology is the Quasi-resonant Flyback, driven by the primary controller L6565; Two demoboard have been developed: -DB#1 – 10W SMPS with two isolated outputs -DB#2 – 40W SMPS with double output

3 10W SMPS for 3-Ph Input ParameterValue Input voltage range185 to 460 Vac Input frequency range50/60 Hz Demoboard 1 Output 0.5A Output 0.55A Output power10W Demoboard 2 Output 1.7A Output 1A Output Power45W Line regulation+/- 1% Load regulation+/- 1% Output ripple voltage 150mV Hold-up capability> 40 ms (*) SafetyEN60950 EMIEN55022 class B

4 10W SMPS for 3-Ph Input SCHEMATIC

5 40W SMPS for 3-Ph Input SCHEMATIC

6 40W SMPS for 3-Ph Input