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HM1480 데이터시트(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

부품명 HM1480
상세설명  Input range synchronous buck controller
PDF  10 Pages
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제조업체  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
홈페이지  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM1480 데이터시트(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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Operating Conditions: TA=25 ,
℃
VIN = 12V, R3 = 330K, R4 = 100K, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Operating Voltage Range
8
30
V
IQ
Quiescent Current
VIN = 12V
1.3
mA
IOFF
Shutdown Current
112
μA
VUVLO
Input UVLO Threshold
4.4
V
ΔVUVLO
UVLO Hysteresis
200
mV
VOVLO
OVLO Threshold
34
V
ΔVOVLO
OVLO Hysteresis
2.5
V
VFB
Regulated Voltage
1.212
V
ΔVFB
Regulated Voltage Tolerance
-2
+2
%
IFB
Feedback Pin Input Current
0.05
μA
Vcs
Reference Voltage Of
Current Sense Pin
90
100
115
mV
fOSC
Oscillator Frequency Range
100
130
150
kHz
DC
Max Duty Cycle
100
%
ΔVOUT
Output Cable Resistance
Compensation
R1=R2=100mΩ,
IOUT=1A,
R3=660kΩ
0.8
V
TSD
Thermal Shutdown
125
℃
TRSD
Thermal Shutdown
Recovery
100
℃



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