Datasheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FPF2193/4/5 • Rev. 1.0.8 5
FPF2193 / FPF2194 / FPF2195 — Full Function Load Switch with Adjustable Current Limit
Electrical Characteristics
V
IN
= 1.8 to 5.5 V, T
A
= -40 to +85°C unless otherwise noted. Typical values are at V
IN
= 3.3 V and T
A
= 25°C.
Symbol Parameter Conditions Min. Typ. Max. Units
Basic Operation
V
IN
Operating Voltage 1.8 5.5 V
I
Q
Quiescent Current I
OUT
=0 mA, V
ON
=V
IN
V
IN
=1.8 V 70
µA
V
IN
=3.3 V 75
V
IN
=5.5 V 80
R
ON
On Resistance
T
A
=25°C, I
OUT
=200 mA 55 80
m
T
A
=-40 to 85°C, I
OUT
=200 mA 135
V
IH
On Input Logic High Voltage
ON
V
IN
=1.8 V 0.8
V
V
IN
=5.5 V 1.4
V
IL
On Input Logic Low Voltage
V
IN
=1.8 V 0.5
V
V
IN
=5.5 V 1.0
I
IN
On Input Leakage V
ON
=V
IN
or GND -1 0 1 µA
V
IN_SD
V
IN
Shutdown Current
V
ON
=0 V, V
IN
=5.5 V,
V
OUT
=Short to GND
-2 2 µA
V
FLB_L
FLAGB Output Logic Low
Voltage
V
IN
=5 V, I
SINK
=10 mA 0.05 0.20
V
V
IN
=1.8 V, I
SINK
=10 mA 0.12 0.30
I
FLB_H
FLAGB Output Logic High
Leakage Current
V
IN
=5 V, Switch ON 1 µA
Reverse Block
I
SDT
V
OUT
Shutdown Current
V
ON
=0 V, V
OUT
=5.5 V,
V
IN
=Short-to-GND
-2 2 µA
V
breakdown
Reverse Breakdown Voltage V
IN
=V
ON
=0 V, I
OUT
=200 µA 9 V
Protections
I
LIM
Current Limit
V
IN
=3.3 V, V
OUT
=3.0 V, R
SET
=690 
600 800 1000 mA
Current Limit for
FPF2195BUCX
V
IN
=4.5 V, V
OUT
=4.2 V,
R
SET
=15.8 K
35 45 60 mA
I
LIM(MIN)
Minimum Current Limit
V
IN
=3.3 V, V
OUT
=3.0 V,
R
SET
=5516 
100 ma
T
SD
Thermal Shutdown
Shutdown Threshold 140
°C Return from Shutdown 130
Hysteresis 10
V
UVLO
Under-Voltage Lockout V
IN
Increasing 1.55 1.65 1.75 V
V
UVLO_HYST
Under-Voltage Lockout
Hysteresis
50 mV
Dynamic
td
ON
Delay On Time
R
L
=500 , C
L
=0.1 µF
20
µs
t
R
V
OUT
Rise Time
R
L
=500 , C
L
=0.1 µF
20
µs
t
ON
Turn-On Time
R
L
=500 , C
L
=0.1 µF
40
µs
td
OFF
Delay Off Time
R
L
=500 , C
L
=0.1 µF
15
µs
t
F
V
OUT
Fall Time
R
L
=500 , C
L
=0.1 µF
110
µs
t
OFF
Turn-Off Time
R
L
=500 , C
L
=0.1 µF
125
µs
t
BLANK
Over-Current Blanking Time FPF2193, FPF2194 15 30 60 ms
t
RSTRT
Auto-Restart FPF2193 Only 225 450 900 ms
t
SC
Short-Circuit Response Time
V
IN
=V
OUT
=3.3 V, Moderate Over-
Current Condition
5 µs
V
IN
=V
OUT
=3.3 V, Hard Short 30 ns