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HM9950 Datasheet(PDF) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM9950
Description  brightness LED constant current drive controller
Download  9 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM9950 Datasheet(HTML) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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封装及管脚分配
SW
ADJ
NC
VSS
DRL
VDD
VIN
CS
BST
DRH
HM9950
MSOP10
1
5
6
10
管脚描述
管脚序号
管脚名称
描述
1
SW
开关脚，接电感与
MOS 管之间
2
ADJ
调光输入端，可支持
PWM 调光和模拟调光
3
NC
悬空不接
4
VSS
接地
5
DRL
功率开关管驱动端
6
VDD
内部
LDO 输出
7
VIN
电源输入端
8
CS
电流检测端
9
BST
接自举电容，内部高边驱动供电端
10
DRH
同步管的栅极驱动端
HM9950


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