EVLVIP37LE5V3A Datasheet, PDF (1/6 Pages) STMicroelectronics – Wide range single-output demonstration board based on the VIPER37LE

EVLVIP37LE5V3A
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%
■ Complying with EuP Lot 6 requirements
■ Fully protected against faults (overload,
overvoltage, transformer saturation and
overheating)
■ EMI: according to EN55022-Class-B
Description
This 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 the EPA 2.0
limits, therefore helping to meet the most stringent
energy saving requirements.
The board implements several protections that
considerably increase end-product safety and
reliability: overload protection, overvoltage
EVLVIP37LE5V3A
protection, brownout protection, hysteretic
thermal protection, shorted secondary rectifier
detection, and transformer saturation protection:
all of which are in auto-restart mode.
May 2012
Doc ID 023155 Rev 2
For further information contact your local STMicroelectronics sales office.
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