STEVAL-ISA004V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – Current mode control

STEVAL-ISA004V1
VIPer22A-E dual-output evaluation board with 90 to 264 V_AC input
and 10 W output
Data Brief
Features
■ Switch-mode general-purpose power supply
■ Input: 90 to 264 V_AC 50/60 Hz
■ Output: 12 V @ 0.42 A and 5 V @ 1 A
■ Burst-mode operation in standby for Blue
Angel operation
■ Current mode control
■ Switching frequency: 60 kHz
■ 75% efficiency
■ Auxiliary undervoltage lockout with hysteresis
■ Output short-circuit protection
■ Thermal shutdown protection
■ Meets EN55022 Class B EMI specification
STEVAL-ISA004V1
Description
This evaluation board is an offline, wide-range,
VIPer22A-E dual-output power supply with a
switching frequency of 60 kHz and is set up for
secondary regulation with an optocoupler. One
output delivers 5 V at 1 A and a second output
delivers 12 V at 0.42 A, making for a total output
power of 10 W. The evaluation board meets Blue
Angel Norms, consuming less than 1 W total
when working in standby mode. The board
operates in burst mode when both the output
loads are reduced to zero and the output voltages
still remain regulated.
November 2007
Rev 1
For further information contact your local STMicroelectronics sales office.
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