AAT4612
Current Limited Load Switch
Electrical Characteristics
VIN = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C; bold values denote
full temperature range.
Symbol Description
Conditions
Min Typ Max Units
VIN
IQ
Operation Voltage
2.4
5.5
20
1
V
µA
µA
µA
V
Quiescent Current
VIN = 5V, ON = Active, IOUT = 0
ON = Inactive, VIN = 5.5V
ON = Inactive, VIN = 5.5V, VOUT = 0
VIN Falling
10
IQ(OFF)
ISD(OFF)
VUVLO
VUVLO(hys)
Off Supply Current
Off Switch Current
0.1
1.9
0.3
130
170
1.5
1
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
V
V
IN = 5.0V, TA = 25°C
175
225
2.0
0.8
RDS(ON)
On Resistance
mΩ
VIN = 3.0V, TA = 25°C
VOUT = VIN to 0.5V
VIN = 2.7V to 5.5V1
ILIM
Current Limit
1
A
V
VON(L)
ON Input Low Voltage
V
IN = 2.7V ≤ 4.2V
2.0
2.4
VON(H)
ON Input High Voltage
V
VIN = > 4.2V to 5.0V1
ION(SINK)
tRESP
ON Input leakage
VON = 5.5V
0.01
500
2.5
1
1
µA
ns
µs
µs
°C
Current Loop Response
Turn-Off Time
VIN = 5V
TOFF
VIN = 5V, RL = 10Ω
VIN = 5V, RL = 10Ω
TON
Turn-On Time
OTMP
Over-Temperature Shutdown
125
1. For VIN outside this range, consult typical ON threshold curve.
4
4612.2006.09.1.3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
