Datasheet > LD5805

LD5805

更新时间： 2022-02-26 11:23:22

品牌	Logo	应用领域
通嘉科技 - LEADTREND		/
页数	文件大小	规格书
18页	756K
描述
Step up, 4 strings, Max. 250mA/string, Multi-dimming mode WLED Backlight Controller

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LD5805 数据手册

LD5805

06/15/2015

Block Diagram

+0.55V

Current Limit

GDRV

LDR

Logic

Oscillator

LEB

OVP

OVP 2

SCP

COMP

V_ref

2.0V

2.6V

Protection

Logic

COMP

LED Short

8.8V

0.1V

LED1

LED2

LED3

LED4

LED

Voltage

Detector

LED Open

0.1V

OVP

VIN

Internal

V/I reference

Reference

Internal

LDO

Power supply

VCC

PWM

LPF

I_LED= 1200/(R_ISET

)

Vdc

ISET

GND

LPF

Leadtrend Technology Corporation www.leadtrend.com.tw

LD5805-DS-01 June 2015

1...3 4 567 8 9...18

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