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HM5301 Datasheet(PDF) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM5301
Description  3CH Power Management IC
PDF  13 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

HM5301 Datasheet(HTML) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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Datasheet
3CH Power Management IC
Ver. 1.3
2
 
 
 
Pin Description
Pin Name
Function Description
Pin No.
GND3
Power ground pin of CH3.
1
FB3
Feedback input of CH3. Connect to output voltage with a resistor divider.
2
FB2
Feedback input of CH2. Connect to output voltage with a resistor divider.
3
GND2
Power ground pin of CH2.
4, 5
LX2
Internal MOSFET switching output of CH2. Connect LX2 pin with a low
pass filter circuit to obtain a stable DC output voltage.
6
 
VIN2
Power input pin of CH2. Recommended to use a 10uF MLCC capacitor
between VIN2 pin and GND2 pin.
7
EN2
CH2 turns on/turns off control input. Don’t leave this pin floating.
8
EN1
CH1 turns on/turns off control input. Don’t leave this pin floating.
9
VIN1
Power input pin of CH1. Recommended to use a 10uF MLCC capacitor
between VIN1 pin and GND1 pin.
10
LX1
Internal MOSFET switching output of CH1. Connect LX1 pin with a low
pass filter circuit to obtain a stable DC output voltage.
11
GND1
Power ground pin of CH1.
12, 13
FB1
Feedback input of CH1. Connect to output voltage with a resistor divider.
14
AGND
Analog ground pin.
15, 17
VCC
Input supply pin for internal control circuit.
16
EN3
CH3 turns on/turns off control input. Don’t leave this pin floating.
18
VIN3
Power input pin of CH3. Recommended to use a 10uF MLCC capacitor
between VIN3 pin and GND3 pin.
19
LX3
Internal MOSFET switching output of CH3. Connect SW3 pin with a low
pass filter circuit to obtain a stable DC output voltage.
20
Exposed
The Exposed Pad must be soldered to a large PCB copper plane and
Pad
connected to GND for appropriate dissipation.
21
 
 



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