STC04IE170HV| Datasheet

STC04IE170HV, STEVAL-ISA019V1

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STEVAL-ISA019V1
80 W ESBT quasi-resonant wide range SMPS evaluation board with L6565 for 3-phase applications
Data Brief

Features

3-phase 80 W auxiliary output SMPS Quasi-resonant SMPS Input: 180 VAC 600 VAC Output voltage 24 V, 3.3 A Maximum output power 80 W Efficiency > 80% Switching frequency > 50 kHz Safety compliant according EN60950 Feedback: secondary regulation STEVAL-ISA019V1

Description
This evaluation board is a 3-phase auxiliary power supply with an 80 W dual output SMPS, using the L6565 PWM driver and the STC04IE170HV ESBT as the main switch. The combination of these ST devices provides a high-efficiency solution for high DC input voltage, a typical requirement for any three-phase application. The necessity to handle both high output power and wide input voltage is satisfied using a flyback stage working in mixed operation mode: discontinuous and continuous.

November 2007

Rev 1

1/4
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