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HM5174 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM5174
Description  SYNCHRONOUS BOOST CONTROLLER
PDF  12 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

HM5174 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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12
BS
Boot-Strap pin. Supply Rectified FET’s gate driver. Decouple this pin to LX with
0.1uFceramic cap .Please select Low VF schottky Diode.
13
SW
Switching Pin. Connect an inductor from power input to LX pin. Please select low Rdson
& Big Enough Id & Isat inductor.
14
SDRV
High Side Power NMOS gate driver pin, Connect this pin to the gate of the high side
synchronous rectifier N-channel MOSFET.
15
PGND Power Ground
16
MDRV
LOW Side Power NMOS gate driver pin, Connect this pin to the gate of the low side N-
channel MOSFET
EPAD
EPAD
GND and Thermal Pad, Please connect with mass metal plane for good heat
dissipation



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