Datasheet > HVLED007

HVLED007

更新时间： 2024-11-02 14:58:19

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		控制器功率因数校正转换器
页数	文件大小	规格书
33页	1534K
描述
反激式转换器的过渡模式PFC控制器

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中文翻译

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HVLED007 数据手册

HVLED007

Transition mode PFC controller for flyback converters

Datasheet - Production data

converters operated in transition mode (aka

quasi-resonant operation). Targeting both indoor

and outdoor solid-state lighting applications, it

provides extended temperature range operation

down to -40 °C with guaranteed electrical

specification.

The main feature of this IC is a special circuit

(Input Current Shaper, ICS), that enables High-PF

quasi-resonant flyback converters to draw a

theoretically sinusoidal input current from the

power line, unlike the traditional control.

Features

In practice, with little effort it is possible to achieve

 Transition-mode (quasi-resonant) control of

a total distortion of the input current (THD) lower

than 10% at full load and lower than 20% at 30%

load over the entire input voltage range.

flyback PFC pre-regulators

 Proprietary input current shaper for minimum

THD of line current

The IC is provided with a control input intended

for being driven by the phototransistor of an

optocoupler to close a secondary-regulated

isolated control loop. However, with the addition

of a simple external circuitry it can be used to

close a primary-regulated voltage loop as well.

 Control input for isolated feedback and

optocoupler driving

 Output overvoltage protection

 Overload and short-circuit protection

 Low (≤ 60 μA) start-up current and low (≤ 4 ma)

The HVLED007 includes protection features to

handle overload, short-circuit and overvoltage

conditions.

quiescent current

 Digital leading-edge blanking on current sense

 -600/+800 mA totem pole gate driver with

The totem-pole output stage, capable of 600 mA

source and 800 mA sink current, is suitable for big

MOSFET drives which, combined with the other

features, makes the device an excellent low-cost

solution for EN61000-3-2 compliant SMPS up to

100 W.

UVLO pull-down and voltage clamp

 SO8 package

Applications

Flyback PFC converters for:

Table 1. Device summary

 AC-DC LED drivers for domestic, commercial

and industrial lighting

Order code

Package

Packaging

 Street lighting

HVLED007

Tube

SO8

 EN61000-3-2 compliant SMPS

HVLED007TR

Tape and Reel

Description

The HVLED007 is a current-mode PFC controller

specific for isolated high power factor, flyback

January 2019

DS12866 Rev 1

1/33

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...33

中文翻译

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