FM3125D datasheet(2/5 Pages) FUMAN

Part #	FM3125D

Description	High precision LED controller IC

PDF	5 Pages

Scroll/Zoom	100%

Manufacturer	FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]

Direct Link	http://www.superchip.cn

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2 / 5 page

深圳市富满电子集团股份有限公司

SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.

FM3125D(文件编号：S&CIC1207)

高精度 LED 控制器 IC

www.superchip.cn

第

2 页共 5 页

Version 1.0

最大额定值

参数

数值

单位

电源电压

-0.3 ~ 30

V

基极电压

-0.3 ~ 7

V

CS 端输入电压

-0.3 ~ 7

V

FB 端输入电压

-0.3 ~ 7

V

结温

-40 ~ 150

℃

贮存温度

55~ 150

℃

焊接温度（锡焊，

10 秒）

260

℃

电气特性（Ta=25℃，VDD=15V，除非另有说明）

符号

参数

测试条件

最小值

典型值

最大值

单位

电源电压部分

I start-up

启动电流

VDD=11V

350

500

uA

I static

静态电流

VDD=15V

11.5

12.5

13.5

uA

UVLO(OFF)

VDD 欠压锁定（关）

6.0

6.8

7.6

V

UVLO(ON)

VDD 欠压锁定（开）

25

27

29

V

VDD_OVP

VDD 过压保护

V

电流感应输入部分

TLEB

前沿消隐时间

0.5

uS

Vth_ocp

过流阈值

485

500

515

mV

Td_oc

过流保护传输延迟

从过流保护到基极驱动

100

Ns

电压反馈输入部分

Tpause_max

电压取样停顿时间

575

640

705

uS

驱动部分

Is_max

基极输出最大电流

20

30

40

mA

Is_preoff

预关断后基极电流

0.5

1

1.5

mA

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FM3125D Datasheet(PDF) 2 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

FM3125D Datasheet(HTML) 2 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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