STEVAL-ISA121V1 Datasheet, PDF (1/6 Pages) STMicroelectronics – Complies with EuP Lot 6 requirements

STEVAL-ISA121V1
Wide range single-output demonstration board
based on the VIPER37LE
Data brief
Features
■ Universal input mains range:
– input voltage 90 - 264 V_AC
– frequency 45 - 65 Hz
■ Single-output voltage: 5 V @ 3 A continuous
operation
■ Standby mains consumption:
< 30 mW @ 230 V_AC
■ Average efficiency: > 75%
■ Complies with EuP Lot 6 requirements
■ Fully protected against faults overload,
overvoltage, transformer saturation and
overheating
■ Compliant with EMC norm EN55022-Class-B
■ RoHS compilant
Description
The STEVAL-ISA121V1 demonstration board
implements a 15 W single-output wide range
mains power supply to be used as an auxiliary
adapter in applications such as LCD, plasma or
LED TVs, desktop computers, etc., when the
main power supply is OFF or in standby mode
and the auxiliary power supply must provide
energy only to some specific parts of the
equipment such as USB ports, remote receiver,
etc.
The board uses the new VIPER37LE, an offline
high voltage converter from the VIPerPlus family,
specifically designed for fixed frequency flyback
converters, which combines a high-performance
low voltage PWM controller chip and a max. 4.5 Ω
R_DS(on), 800 V B_V(DSS), avalanche-rugged power
MOSFET in the same package.
The application is optimized for less than 30 mW
standby consumption and meets EPA 2.0 limits,
thereby helping to meet the most stringent
energy-saving requirements.
STEVAL-ISA121V1
The board implements several protection features
that considerably increase end-product safety
and reliability: overload protection, overvoltage
protection, brownout protection, hysteretic
thermal protection, shorted secondary rectifier
detection, and transformer saturation protection,
all of which are in auto-restart mode.
January 2013
Doc ID 024066 Rev 1
For further information contact your local STMicroelectronics sales office.
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