Datasheet STMicroelectronics VIPER26K — Datenblatt

VIPer26K
1050 V High voltage converter
Data brief Description
The device is an offline converter with a 1050 V
avalanche rugged power section, a PWM
controller, user defined overcurrent limit,
protection against feedback network
disconnection, hysteretic thermal protection, soft
start-up and safe auto-restart after any fault
condition.
Advance frequency jittering reduces EMI filter
cost. Burst mode operation and the device's very
low consumption both help to meet the standard
set by energy saving regulations. Features
 1050 V avalanche rugged power section
 Current mode PWM controller
 Embedded high voltage startup and sense FET
 Drain current limitation (OCP)
 Standby power < 30 mW at 230 VAC
 Jittered switching frequency (60 kHz ± 4 kHz)
for low EMI
 Embedded error amplifier for non-isolated
SMPS …

VIPER26K
1050 V high voltage converter for ultra-wide input
Datasheet -production data Description
The device is a high voltage converter smartly
integrating a 1050 V avalanche-rugged power
section, with a PWM current mode control. The
1050 V-BV power MOSFET allows to extend input
voltage range, and reduce the size of the DRAIN
snubber circuit. This IC meets the most stringent
energy-saving standards as it has very low
consumption and operates in burst mode under
light load. Features
 1050 V avalanche-rugged power MOSFET
 allowing ultra-wide VAC input range to be
covered
 Embedded HV startup and sense-FET The integrated HV startup, sense-FET, error
amplifier and oscillator with jitter allow a complete
application to be designed with the minimum
number of components.
The VIPer26K supports the most common SMPS
topologies such as: isolated flyback with
optocoupler, primary-side regulation, non-isolated
flyback with resistive feedback, buck, and buck …