STEVAL-ISA054V1 datasheet(1/5 Pages) STMICROELECTRONICS

No de pièce	STEVAL-ISA054V1

Description	RoHS compliant

PDF	5 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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May 2009

Doc ID 15545 Rev 2

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STEVAL-ISA054V1

100 W 3-phase auxiliary power supply demonstration board

based on the STW9N150

Features

■ Input voltage

– connector 1: 400 Vac RMS ± 20%

■ Input voltage

– connector 2: 180 - 265 Vac RMS

■ Input frequency: 50 Hz

■ Output 1: 24 V @ 4 A

■ Output 2: 5V @ 1 A or 3.3 V @ 1 A

■ Output power: 100 W

■ Safety: EN60950

■ EMI: EN55014

■ RoHS compliant

Description

This demonstration board introduces a solution

for industrial power supplies. It takes advantage of

the high voltage Power MOSFET, i.e. 1500 V

breakdown voltage, to optimize the operation of

the flyback converter based on the primary

controller UC3844B.

The demonstration board has been designed and

developed in order to address medium power

applications. The board features two outputs,

24 V, 5V or 3.3 V, and is able to deliver more than

100 W in total.

The 5 V/3.3 V output is obtained by means of an

integrated DC-DC converter based on L5970D,

connected to the 24 V output, and adjustable by

means of an external voltage divider.

STEVAL-ISA054V1

www.st.com

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