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HM9851 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM9851
Description  LED constant current drive control chip
PDF  7 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

HM9851 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM9851 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9851 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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电特性
除非特别说明,VDD =5.8V,TA =25
oC
参数
符号
测试条件
最小值
典型值
最大值
单位
电源电压
VDD 钳位电压
VDD
IVDD<10mA
5.8
V
欠压保护电压
VDD_UVLO
VDD 上升
4.1
V
欠压保护迟滞
VDD_HYS
0.4
V
电源电流
工作电流
IOP
1.6
mA
待机输入电流
IINQ
无负载
500
uA
平均电流采样
VCS 阈值
VCS_TH
192
200
208
mV
HL 脚阻抗
HL 脚下拉电阻
RHL
80
Kohm
开关频率
振荡器频率
FOSC
140
KHZ
DRV 驱动
DRV 上升时间
TRISE
DRV 脚接 500pF 电容
50
ns
DRV 下降时间
TFALL
DRV 脚接 500pF 电容
50
ns
过温保护
过温调节
OTP_TH
140
oC
HM9851



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