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HM3343 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM3343
Description  PWM dimming LED constant current driver chip
PDF  10 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

HM3343 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM3343 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM3343 Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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background image
原理框图
误差放大器
及钳位
OSC
电压
调节器
S
Q
Q
R
OTP/UVLO
参考电平
OVP 比较器
PWM 比较器
关机
/调光
OVP
GND
COMP
VDD
VIN
SW
VBAT
ADJ
CS
C1
C2
RB1
RB2
RCS
DRV
ISEN
Rsen
图
1、 功能原理框图
HM3343
升压
, 降压,升降压 高频 PWM 调光 LED 恒流驱动芯片



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