Datasheet > HVLED101

HVLED101

更新时间： 2024-11-02 14:58:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		反激控制控制器功率控制
页数	文件大小	规格书
36页	921K
描述
先进高功率因素反激控制器，配备谷值锁定以及最大功率控制功能

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HVLED101 数据手册

HVLED101

Datasheet

Advanced high power factor flyback controller with valley locking and maximum

power control

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

Product status link

HVLED101

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

Input pin for remote protection with NTC management (threshold hysteresis

and linearization)

Product summary

Order code

Package

Packaging

HVLED101

Tube

Application

SOP14

HVLED101TR

Tape and reel

•

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.

DS14143 - Rev 3 - March 2023

For further information contact your local STMicroelectronics sales office.

www.st.com

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中文翻译

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