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FM8301C Datasheet(PDF) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

Part # FM8301C
Description  Non-isolated step-down LED driver IC
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Manufacturer  FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]
Direct Link  http://www.superchip.cn
Logo FUMAN - SHENZHEN FUMAN ELECTRONICS CO., LTD.

FM8301C Datasheet(HTML) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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深圳市富满电子集团股份有限公司
SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.
FM8301(文件编号:S&CIC1605)
非隔离降压型 LED 驱动 IC
www.superchip.cn
1 页 共 9 页
Version 1.0
概述
FM8301 是一款降压型 LED 恒流驱动芯片。芯片工作在电感电流临界模式,适用于 85Vac
~265Vac 全范围输入电
压的非隔离降压型 LED 恒流电源。FM8301 芯片内部集成 500V 功率开关,采用专利的退磁检测技术和高压 JFET
供电技术,无需 VCC 电容和启动电阻,使其外围器件更简单,节约了外围的成本和体积。FM8301 芯片内置高精
度的电流采样电路,同时采用了专利的恒流控制技术,实现高精度的 LED 恒流输出和优异的线性调整率。芯片
工作在电感电流临界模式,输出电流不随电感量和 LED 工作电压的变化而变化,实现优异的负载调整率。FM8301
具有多重保护功能,包括 LED 短路保护, 芯片供电欠压保护,芯片温度过热调节等。FM8301 采用 SOP7 封装。
特点
VCC 电容、无启动电阻
集成高压供电功能
±5% LED 输出电流精度
LED 短路保护
过热调节功能
采用
SOP7 封装
应用
LED 蜡烛灯
LED 球泡灯
其它
LED 照明
订购信息
型号
封装形式
MOS 电流
FM8301S
SOP7
0.6A
FM8301A /AA
SOP7
0.8A
FM8301B
SOP7
1A
FM8301C
SOP7
2A
FM8301D/DD
SOP-7/DIP-8
3A
引脚定义及说明
SOP7/DIP8
管脚号
管脚名称
描述
1
GND
芯片地
2
NC
无连接
3
NC
无连接
4
HV
高压启动脚
5,6
DRAIN
内部功率管
Drain 端
7
CS
电流采样脚,采样电阻接在
CS 和 GND 端之间


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