Datasheet > HVLED002

HVLED002

更新时间： 2024-09-28 01:16:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
19页	481K
描述
High performance current mode LED controller

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HVLED002 数据手册

HVLED002

High performance current mode LED controller

Datasheet - production data

Description

The HVLED002 control IC provides the necessary

features to implement off-line or DC to DC fixed

frequency current mode control schemes to

implement LED drivers. Internally implemented

circuits include a trimmed oscillator for the precise

duty cycle control, undervoltage lockout,

a precision reference trimmed for accuracy at the

error amplifier input, a PWM comparator which

also provides current limit control and a totem

pole output stage designed to the source or sink

high peak current. The output stage, suitable for

driving N-channel MOSFETs, is low in the off-

state.

SO-8

Features

 Trimmed oscillator for precise frequency

control

 Oscillator frequency guaranteed at 250 kHz

 Current mode operation to 500 kHz

 Latching PWM for cycle-by-cycle current

limiting

 Internally trimmed reference with undervoltage

Table 1. Device summary

lockout

Order codes

Package

Packaging

 High current totem pole output

HVLED002

Tube

 Undervoltage lockout with hysteresis

 Low start-up and operating current

SO8

HVLED002TR

Tape and reel

Figure 1. Block diagram

December 2015

DocID028720 Rev 1

1/19

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...19

中文翻译

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