FPF2123 查看數據表（PDF） - Fairchild Semiconductor
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FPF2123 Datasheet PDF : 13 Pages
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Absolute Maximum Ratings
Parameter
VIN, VOUT, ON, ISET to GND
Power Dissipation @ TA = 25°C (note 1)
Operating Temperature Range
Storage Temperature
Thermal Resistance, Junction to Ambient
Electrostatic Discharge Protection
HBM
MM
Min.
-0.3
-40
-65
4000
400
Max.
6
667
125
150
150
Unit
V
mW
°C
°C
°C/W
V
V
Recommended Operating Range
Parameter
VIN
Ambient Operating Temperature, TA
Min.
1.8
-40
Max.
5.5
85
Unit
V
°C
Electrical Characteristics
VIN = 1.8 to 5.5V, TA = -40 to +85°C unless otherwise noted. Typical values are at VIN = 3.3V and TA = 25°C.
Parameter
Symbol
Conditions
Min. Typ.
Basic Operation
Operating Voltage
VIN
1.8
Quiescent Current
IQ
IOUT = 0mA
VIN = 1.8 to 3.3V
75
VIN = 3.3 to 5.5V
80
Shutdown Current
ISHDN
Reverse Block Leakage Current
IBLOCK
Latch-Off Current
ILATCHOFF FPF2124
50
On-Resistance
RON
TA = 25°C, IOUT = 50mA
125
TA = -40 to +85°C, IOUT = 50mA
150
ON Input Logic High Voltage (ON) VIH
VIN = 1.8V
0.75
VIN = 5.5V
1.30
ON Input Logic Low Voltage
VIL
VIN = 1.8V
VIN = 5.5V
ON Input Leakage
VON = VIN or GND
Off Switch Leakage
ISWOFF
VON = 0V, VOUT = 0V
Protections
Current Limit
ILIM
VIN = 3.3V, VOUT = 3.0V,
RSET=576Ω
600
800
Min. Current Limit
ILIM(min.)
VIN = 3.3V, VOUT = 3.0V
150
Thermal Shutdown
Shutdown Threshold
140
Return from Shutdown
130
Hysteresis
10
Under Voltage Shutdown
UVLO
Under Voltage Shutdown Hysteresis
VIN Increasing
1.5
1.6
50
Max Units
5.5
V
µA
120
2
µA
1
µA
µA
160
mΩ
V
0.5
V
1.0
1
µA
1
µA
1000
mA
mA
°C
1.7
V
mV
3
FPF2123-FPF2125 Rev. C4
www.fairchildsemi.com
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