HVLED101 datasheet(1/36 Pages) STMICROELECTRONICS

部件名	HVLED101

功能描述	Advanced high power factor flyback controller with valley locking and maximum power control

PDF	36 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 36 page

Features

•

Quasi-Resonant (QR) topology

•

Primary side regulation of output voltage

•

Direct optocoupler connection for secondary side regulated loop

•

High power factor and low THD in universal and extended range (PF> 0.9 and

THD < 5% @ full load and < 10% @ 1/3 load)

•

800 V fast high-voltage startup

•

Extremely low input power at no-load and standby conditions

•

Integrated input voltage detection for high power factor capabilty, DC rail

detection and protection triggering

•

Programmable frequency foldback with valley locking for noise free operation

•

Programmable maximum input power limitation for safety standard compliancy

•

Programmable brownout and input overvoltage protection

•

Latch-free device guarantee by smart Auto Restart Timer (ART)

•

Input pin for remote protection with NTC management (threshold hysteresis

and linearization)

Application

•

Single-stage LED drivers with high power factor up to 180 W

•

Two-stage LED drivers up to 200 W

Description

The HVLED101 is an enhanced peak current mode controller able to control mainly

high power factor (HPF) flyback or buck-boost topologies having an output power

up to 180 W. Some other topologies, like buck, boost and SEPIC could also be

implemented. Primary Side Regulation of output voltage and Optocoupler control

can be applied independently on the chip both exploiting precise regulation and

very low standby power during no-load conditions. The innovative ST high-voltage

technology allows to directly connect the HVLED101 to the input voltage in order to

both start up the device and monitor the input voltage without the need of external

components. Integrated valley locking feature guarantees noise free operation during

medium and low load operation and maximum power control allows limiting the input

power to a level programmable by the user to increase converter safety. Abnormal

conditions like open circuit, output short-circuit, input overvoltage or undervoltage,

external protection circuitries and circuit failures like open loop and overcurrent of the

main switch are effectively controlled. A smart Auto Restart Timer (ART) function is

built in to guarantee an automatic application recover, without any loss of reliability.

Product status link

HVLED101

Product summary

Order code

Package

Packaging

HVLED101

SOP14

Tube

HVLED101TR

Tape and reel

Advanced high power factor flyback controller with valley locking and maximum

power control

HVLED101

Datasheet

DS14143 - Rev 2 - December 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

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