Datasheet STMicroelectronics HVLED001B

HVLED001B
High power factor flyback controller with constant voltage
primary-sensing and ultra-low standby consumption
Datasheet -Production data Description
The HVLED001B is an enhanced peak current
mode controller able to control mainly high power
factor (HPF) flyback or buck-boost. Some other
topologies such as buck, boost and SEPIC, can
also be implemented. SSOP10 Primary side regulation and optocoupler control
can be applied independently on the chip, both
exploiting precise regulation and very low standby
power during no load conditions. Features
 Quasi resonant (QR) topology
 Primary side regulation of output voltage
 Direct optocoupler connection for current loop
regulation with feedback disconnection
detection
 800 V high voltage startup
 High power factor and low THD in universal
range
 High efficiency and output stability in wide
voltage and current range
 Extremely low standby power at no load …