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HM9804 Datasheet(PDF) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM9804
Description  80V 1A Switching Current Buck PFM LED Constant Current Driver
PDF  11 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

HM9804 Datasheet(HTML) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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80V 1A Switching Current Buck PFM LED Constant Current Driver
HM9804
Rev 1.1
2
Pin Configurations
Figure2. Pin Configuration of
HM9804 (Top View)
Table 1 Pin Description
Pin Number
Pin Name
Description
1
VDD
The chip supply voltage.
2
CSN
Current Sense Negative Terminal.
3
VIN
Input high voltage Pin. (Operation voltage 24V~ 80V)
4
CSP
Current Sense Positive Terminal.
5
SW
Output Switching Pin.
Function Block
Figure3. Function Block Diagram of
HM9804
Shenzhen H&M Semiconductor Co.Ltd
http：//www.hmsemi.com



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