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HM5175 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM5175
Description  500kHz 6A High Efficiency Synchronous PWM Boost Converter
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

HM5175 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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4
Recommended Operating Conditions
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Supply Voltage
VIN
2.4
4.5
V
Operating Temperature Range
TA
Ambient Temperature
-40
+85
°C
DC Electrical Characteristics (VIN=3.3V, TA=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Input Voltage
VIN
2.4
4.5
V
Under Voltage Lockout
VUVLO
2.1
V
UVLO Hysteresis
0.1
V
Quiescent Current
ICC
VFB =0.65V, No switching
280
µA
Average Supply Current
ICC
VFB=0.55V, Switching
3.6
mA
Shutdown Current
ICC
VEN=GND
0.1
µA
Operation Frequency
fOSC
VFB=0.55V
500
kHZ
Maximum Duty Ratio
%
90
%
Feedback Voltage
VREF
VIN=4.5V
0.588
0.6
0.612
V
Enable Voltage
VEN
0.96
V
Shutdown Voltage
VEN
0.6
V
Soft-Start Time
tSS
VIN=4.5V
7
ms
High Side Switch RDS(ON)
RON-PMOS
40
m
Ω
Low Side Switch RDS(ON)
RON-NMOS
40
m
Ω
Internal Switch Current Limit
IOCP
6
A
Thermal Shutdown Threshold
TOTP
150
℃
Thermal Shutdown Hysteresis
30
℃



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