FPF2140 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FPF2140 Datasheet PDF : 13 Pages
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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 Input Logic High Voltage (ON) VIH
ON Input Logic Low Voltage
VIL
ON Input Leakage
VIN Shutdown Current
FLAGB Output Logic Low Voltage
FLAGB Output High Leakage Current
PGOOD Threshold Voltage
PGOOD Threshold Voltage
Hysteresis
VIN = 1.8V
VIN = 5.5V
VIN = 1.8V
VIN = 5.5V
VON = VIN or GND
VON = 0V, VIN = 5.5V,
VOUT = short to GND
VIN = 5V, ISINK = 10mA
VIN = 1.8V, ISINK = 10mA
VIN = VON = 5V
VIN = 5.5V
0.8
1.4
-1
-2
0.05
0.12
90
1
PGOOD Output Logic Low Voltage
PGOOD Output High Leakage
Current
VIN = 5V, ISINK = 10mA
VIN = 1.8V, ISINK = 10mA
VIN = VON = 5V
0.05
0.12
Reverse Block
VOUT Shutdown Current
Protections
VON = 0V, VOUT = 5.5V,
VIN = short to GND
-2
Current Limit
ILIM
VIN = 3.3V,
FPF2140, FPF2142,
FPF2143
200
300
VOUT = 3.0V FPF2144, FPF2146,
FPF2147
400
600
Thermal Shutdown
Shutdown Threshold TJ increasing
140
Return from Shutdown
130
Hysteresis
10
Under Voltage Lockout
Under Voltage Lockout Hysteresis
VUVLO
VIN Increasing
1.55
1.65
50
Dynamic
Turn on time
Turn off time
VOUT Rise Time
VOUT Fall Time
Over Current Blanking Time
tDR
tDF
tR
tF
tBLANK
RL = 500Ω, CL = 0.1µF
RL = 500Ω, CL = 0.1µF
RL = 500Ω, CL = 0.1µF
RL = 500Ω, CL = 0.1µF
FPF2140, FPF2142, FPF2144,
FPF2146
25
45
10
110
15
30
Auto-Restart Time
Short Circuit Response Time
tRSTRT
FPF2140, FPF2144
VIN = VON = 3.3V. Moderate
Over-Current Condition
VIN = VON = 3.3V. Hard Short
225
450
5
30
Note 1: Package power dissipation on 1 square inch pad, 2 oz. copper board.
Max Units
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
800
°C
1.75
V
mV
µs
µs
µs
µs
60
ms
900
ms
µs
ns
4
FPF2140/42/43/44/46/47 Rev. D
www.fairchildsemi.com
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