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FPF2148 Datasheet
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FPF2148 pdf
Electrical Characteristics Cont.
.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
On-Resistance
ONB Input Logic High Voltage (ON)
ONB Input Logic Low Voltage
ONB Input Leakage
VIN Shutdown Current
FLAGB Output Logic Low Voltage
FLAGB Output High Leakage
Current
RON
VIH
VIL
VIN = 3.3V, IOUT = 200mA, TA = 25°C
VIN = 3.3V, IOUT = 200mA, TA = 85°C
VIN = 3.3V, IOUT = 200mA, TA = -40°C to +85°C
VIN = 1.8V
VIN = 5.5V
VIN = 1.8V
VIN = 5.5V
VONB = VIN or GND
VONB = 5.5V, VOUT = 5.5V,
VIN = short to GND
VIN = 5V, ISINK = 10mA
VIN = 1.8V, ISINK = 10mA
VIN = 5V, VONB = 0V
65
0.8
1.4
-1
-2
120
135
0.05
0.12
PGOOD Threshold Voltage
PGOOD Threshold Voltage
Hysteresis
VIN = 5.5V
90
1
PGOOD Output Logic Low Voltage
PGOOD Output High Leakage
Current
VIN = 5V, ISINK = 10mA
VIN = 1.8V, ISINK = 10mA
VIN = 5V, VONB = 0V
0.05
0.12
Reverse Block
VOUT Shutdown Current
Protections
VONB = 5.5V, VOUT = 5.5V,
VIN = short to GND
-2
Current Limit
Thermal Shutdown
ILIM VIN = 3.3V, VOUT = 3.0V
Shutdown Threshold TJ increasing
Return from Shutdown
200 300
140
130
Hysteresis
10
Under Voltage Lockout
Under Voltage Lockout Hysteresis
VUVLO VIN Increasing
1.55 1.65
50
Dynamic
Delay On Time
Delay Off Time
VOUT Rise Time
VOUT Fall Time
Short Circuit Response Time
tdON
tdOFF
tR
tF
RL = 500, CL = 0.1µF
RL = 500, CL = 0.1µF
RL = 500, CL = 0.1µF
RL = 500, CL = 0.1µF
VIN = 5.5V, VONB = GND. Moderate
Over-Current Condition
VIN = 5.5V, VONB = GND. Hard Short
25
45
10
110
5
30
Max Units
160
180 m
180
V
0.5
V
1
1 µA
2 µA
0.2
V
0.3
1 µA
%
%
0.1 V
0.2 V
1 µA
2 µA
400 mA
°C
1.75 V
mV
µs
µs
µs
µs
µs
ns
Note 1: Package power dissipation on 1square inch pad, 2 oz. copper board.
FPF2148 Rev. H
4 www.fairchildsemi.com

FPF2148 Datasheet PDF



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