PRODUCT DATASHEET
AAT4280A
SmartSwitchTM
Slew Rate Controlled Load Switch
Electrical Characteristics
Unless otherwise noted, VIN = 5V, TA = -40°C to +85°C; typical values are TA = 25°C.
Symbol
Description
Conditions
Min
Typ Max Units
AAT4280A All Versions
VIN
IQ
IQ(off)
Operation Voltage
Quiescent Current
Off Supply Current
1.5
5.5
1
1
V
μA
μA
ON/OFF = Active
ON/OFF = Inactive, OUT = Open
ON/OFF = Inactive, VOUT = 0
VIN = 5V, TA = 25°C
VIN = 4.2V, TA = 25°C
VIN = 3V, TA = 25°C
1
ISD(off)
RDS(on)
Off Switch Current
On Resistance
80
85
100
160
200
2800
120
130
150
250
300
μA
VIN = 1.8V, TA = 25°C
VIN = 1.5V, TA = 25°C
mΩ
TCRDS
VIL
On Resistance Temperature Coefficient
ppm/°C
V
VIN = 1.8V to 5.5V1
VIN = 2.7V to 4.2V
VIN = 4.2V to 5.5V
VIN = 1.5V to 2.7V
VON/OFF = 5.5V
0.4
ON/OFF Input Logic Low Voltage
2
2.4
1.4
VIH
ON/OFF Input Logic High Voltage
ON/OFF Input Leakage
V
ISINK
AAT4280A-1
TD(ON)
1
μA
Output Turn-On Delay
Output Turn-On Rise Time
Output Turn-Off Delay Time
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
20
40
μs
μs
μs
TON
TD(OFF)
1000 1500
4
10
AAT4280A-2
TD(ON)
Output Turn-On Delay
Output Turn-On Rise Time
Output Turn-Off Delay Time
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
0.5
0.5
4
2
1
10
μs
μs
μs
TON
TD(OFF)
AAT4280A-3
TD(ON)
Output Turn-On Delay
Output Turn-On Rise Time
Output Turn-Off Delay Time
Output Pull-Down Resistance During OFF
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
VIN = 5V, RLOAD = 10Ω, TA = 25°C
ON/OFF = Inactive, TA = 25°C
20
100
4
40
150
10
μs
μs
μs
Ω
TON
TD(OFF)
RPD
150
250
AAT4280A-4
TD(ON)
Output Turn-On Delay Time
Output Turn-On Rise Time
Output Turn-OFF Delay Time
Output Pull-Down Resistance During OFF
VIN = 3.3V, RLOAD = 10Ω, TA = 25°C
VIN = 3.3V, RLOAD = 10Ω, TA = 25°C
VIN = 3.3V, RLOAD = 10Ω, TA =25°C
ON/OFF = Inactive, TA = 25°C
20
4500
4
40
μs
μs
μs
Ω
TON
TD(OFF)
RPD
2000
10
250
150
1. For VIN outside this range, consult typical ON/OFF threshold curve.
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4280A.2008.04.1.5