Current Limited Load Switch
Electrical Characteristics
V
IN
= 5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C;
bold
values denote full
temperature range.
Symbol
V
IN
I
Q
I
Q(OFF)
I
SD(OFF)
V
UVLO
V
UVLO(hys)
R
DS(ON)
TC
RDS
I
LIM
V
ON(L)
V
ON(H)
I
ON(SINK)
t
RESP
T
OFF
T
ON
V
FAULTLOW
I
SINK
T
blank
T
SD
AAT4618
Description
Operation Voltage
Quiescent Current
Off Supply Current
Off Switch Current
Under-Voltage Lockout
Under-Voltage Lockout
Hysteresis
On Resistance
On Resistance Temperature
Coefficient
Current Limit
ON (ON) Input Low Voltage
ON (ON) Input High Voltage
ON (ON) Input Leakage
Current Loop Response
Turn-Off Time
Turn-On Time
FAULT Logic Output Low
FAULT Logic Output High
Leakage Current
Fault Blanking Time
Over-Temperature Threshold
Conditions
V
IN
= 5V, ON (ON) = Active, I
OUT
= 0
ON (ON) = Inactive, V
IN
= 5.5V
ON (ON) = Inactive, V
IN
= 5.5V, V
OUT
= 0
V
IN
Falling
Min
2.4
Typ
10
0.1
1.9
0.3
Max
5.5
25
1
1
Units
V
µA
µA
µA
V
V
V
IN
= 5.0V, T
A
= 25°C
V
IN
= 3.0V, T
A
= 25°C
125
155
2800
175
225
mΩ
ppm/°C
V
OUT
= V
IN
to 0.5V
V
IN
= 2.7V to 5.5V
1
V
IN
= 2.7V to
≤
4.2V
1
V
IN
= > 4.2V to 5.0V
1
V
ON (ON)
= 5.5V
V
IN
= 5V
V
IN
= 5V, R
L
= 20Ω
V
IN
= 5V, R
L
= 20Ω
I
SINK
= 1mA
V
FAULT
= 5.5V
V
IN
= 5V
AAT4618-0.4
AAT4618-0.5
AAT4618-1.0
400 500
500 750
1000 1500
2.0
2.4
0.01
400
5
1
0.5
4
125
600
1000
2000
0.8
mA
V
V
V
µA
ns
µs
µs
V
µA
ms
°C
1
0.4
1
1. For V
IN
outside this range, consult Typical ON (ON) Threshold curve.
4
4618.2006.05.1.2
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
