Datasheet

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FPF2140/42/43/44/46/47 Rev. D
FPF2140/42/43/44/46/47 Full Function Load Switch with Reverse Current Blocking
Electrical Characteristics Cont.
V
IN
= 1.8 to 5.5V, T
A
= -40 to +85°C unless otherwise noted. Typical values are at V
IN
= 3.3V and T
A
= 25°C.
Note 1: Package power dissipation on 1 square inch pad, 2 oz. copper board.
Parameter Symbol Conditions Min Typ Max Units
ON Input Logic High Voltage (ON) V
IH
V
IN
= 1.8V 0.8
V
V
IN
= 5.5V 1.4
ON Input Logic Low Voltage V
IL
V
IN
= 1.8V 0.5
V
V
IN
= 5.5V 1
ON Input Leakage V
ON
= V
IN
or GND -1 1 µA
V
IN
Shutdown Current
V
ON
= 0V, V
IN
= 5.5V,
V
OUT
= short to GND
-2 2 µA
FLAGB Output Logic Low Voltage
V
IN
= 5V, I
SINK
= 10mA 0.05 0.2
V
V
IN
= 1.8V, I
SINK
= 10mA 0.12 0.3
FLAGB Output High Leakage Current V
IN
= V
ON
= 5V 1 µA
PGOOD Threshold Voltage V
IN
= 5.5V 90 %
PGOOD Threshold Voltage
Hysteresis
1%
PGOOD Output Logic Low Voltage
V
IN
= 5V, I
SINK
= 10mA 0.05 0.1 V
V
IN
= 1.8V, I
SINK
= 10mA 0.12 0.2 V
PGOOD Output High Leakage
Current
V
IN
= V
ON
= 5V 1 µA
Reverse Block
V
OUT
Shutdown Current
V
ON
= 0V, V
OUT
= 5.5V,
V
IN
= short to GND
-2 2 µA
Protections
Current Limit I
LIM
V
IN
= 3.3V,
V
OUT
= 3.0V
FPF2140, FPF2142,
FPF2143
200 300 400
mA
FPF2144, FPF2146,
FPF2147
400 600 800
Thermal Shutdown
Shutdown Threshold T
J
increasing 140
°CReturn from Shutdown 130
Hysteresis 10
Under Voltage Lockout V
UVLO
V
IN
Increasing 1.55 1.65 1.75 V
Under Voltage Lockout Hysteresis 50 mV
Dynamic
Turn on time t
DR
R
L
= 500Ω, C
L
= 0.1µF 25 µs
Turn off time t
DF
R
L
= 500Ω, C
L
= 0.1µF 45 µs
V
OUT
Rise Time t
R
R
L
= 500Ω, C
L
= 0.1µF 10 µs
V
OUT
Fall Time t
F
R
L
= 500Ω, C
L
= 0.1µF 110 µs
Over Current Blanking Time t
BLANK
FPF2140, FPF2142, FPF2144,
FPF2146
15 30 60 ms
Auto-Restart Time t
RSTRT
FPF2140, FPF2144 225 450 900 ms
Short Circuit Response Time
V
IN
= V
ON
= 3.3V. Moderate
Over-Current Condition
5µs
V
IN
= V
ON
= 3.3V. Hard Short 30 ns