Datasheet > LD8116A

LD8116A

更新时间： 2024-11-10 01:21:23

品牌	Logo	应用领域
通嘉科技 - LEADTREND		/
页数	文件大小	规格书
13页	821K
描述
Flexible Dimming Solution by PWM / 0-10V / Potentiometer

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LD8116A 数据手册

LD8116A

05/03/2018

Flexible Dimming Solution by PWM / 0-10V / Potentiometer

REV. 00

General Description

Features

The LD8116A contains a processor which can convert the

three different inputs of dimmer type include 0~10V DC

potential, 0~100% duty cycle PWM (Plus Width Modulation)

signal and potentiometer become a PWM signal output. It

is easy to provide the isolation dimming control that via

opto-coupler for smart LED lighting application.



Wide VCC operating range

Low operation current

Precision dimmer type with

Voltage potential : 0/1V to 10V

PWM dimming : 0.2k to 10kHz

Potentiometer : 0 to 100k Ohm.



Adjustable bias current source of DIM pin

Adjustable minimum output PWM duty clamping

Built in over temperature protection for Chip

The device features include wide input voltage from 13V to

58V, adjustable bias current source for potentiometer and

high precision LED dimming current.

Applications



Dimmable LED Power Supply

The LD8116A is the SOT-26 package to minimize the PCB

size as well as component counts.



Dimming Devices

Typical Application

5V_PWM

VR 100K

LED+

LED-

0 – 10V

OUT

RDIM

DDIM

100%

Dimming Range Area

CDIM

VCC

RCLAMP

RISET

DIM

Min. Dimming Clamping

DIM

RPhoto

1.3V 1.5V

10.2V

GND

Fig. 1 Application Circuit

Leadtrend Technology Corporation www.leadtrend.com.tw

LD8116A-DS-00 May 2018

12 3 4 5 6 7...13

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