STEVAL-ISA071V1 datasheet(1/4 Pages) STMICROELECTRONICS

Part #	STEVAL-ISA071V1

Description	4 W non-isolated, wide input-voltage range SMPS demonstration board based on the VIPER16

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Data brief

For further information contact your local STMicroelectronics sales office.

June 2010

Doc ID 17294 Rev 2

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STEVAL-ISA071V1

4 W non-isolated, wide input-voltage range SMPS

demonstration board based on the VIPER16

Features

■ Input:

–VIN: 85 - 264 Vrms

– f: 45 - 66 Hz

■ Output:

– 12 VDC ± 10% (referred to -5 V), 160 mA

–-5 VDC ± 4%, 400 mA

■ Maximum output power: 4 W (for EU range up

to 6 W)

■ Standby: 70 mW at 230 VAC

■ Short-circuit protected

■ Isolation: non-isolated; N connected to output

GND

■ EMI: in accordance with EN55022 class B

■ RoHS compliant

Description

The STEVAL-ISA071V1 switched-mode power

supply (SMPS) demonstration board is dedicated

to mains applications requiring -5 V and +7 V

referred to neutral. The non-isolated SMPS is

capable of delivering 4 W of output power over a

wide input voltage range. This capability can also

be applied to higher power outputs or different

voltage ranges.

The SMPS generates 5 V and 12 V. The 5 V can

be used to supply the MCU, directly driving a Triac

connected to neutral, and the 12 V can be used to

supply additional circuits, such as relays, OAs,

etc.

STEVAL-ISA071V1

www.st.com

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