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HM4802 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM4802
Description  Over voltage and over current protection IC
PDF  5 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

HM4802 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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Electrical Characteristics
Table 5
Parameter
Symbol
Test conditions
Min
Typ
Max Unit
DC characteristics and Power-ON-Reset
Input quiescent current
IQ
Vin=5v,Iout=0A
170
260
uA
IN-to-OUT ON resistance
RON
Vin=5v,Iout=3A
40
mΩ
Output auto discharge resistance
RDISCHARGE
500
Ω
Under voltage lock out threshold
UVLO
Vin increasing from 0~3V
3.2
V
Under voltage lock out hysteresis
VHYS-UVLO
Vin decreasing from 3~0V
300
mV
Output power-on time
TON
Vin=0 -> 5V to output ON
6
8
10
ms
EN Threshold Voltage
VENL
0.4
V
VENH
1.2
V
EN to GND current
IEN
2
uA
Input Over-Voltage-Protection (OVP)
OVP threshold Voltage
VOVP(th)
5.8
V
OVP active time
TOVP
VIN= 5 -> 10V
1
us
OVP recovery time
TON(OVP)
VIN=10 -> 5V to output ON
6
8
10
ms
Over-Temperature-Protection (OTP)
OTP threshold
155
℃
OTP hysteresis
40
℃
Power Switch Body Diode
Forward peak surge current
IFSM
Pulse Width=10ms
15
A
Pulse Width=20us
50
A
HM4802



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