PRODUCT DATASHEET
AAT2784
SystemPower
TM
Typical Characteristics
Quiescent Current vs. Input Voltage
(Channels 1 and 2; V
OUT
= 3.3V; No Load; Open Loop)
100
3-Channel Step-Down DC/DC Converter
Quiescent Current vs. Input Voltage
(Channel 3; V
OUT
= 1.2V; No Load; Open Loop)
100
90
80
70
60
50
40
30
20
10
0
Supply Current (µA)
80
70
60
50
40
30
20
10
0
3.2
3.5
3.8
4.1
4.4
4.7
5
5.3
5.6
85°C
25°C
-40°C
Supply Current (µA)
90
85°C
25°C
-40°C
2.6
2.9
3.2
3.5
3.8
4.1
4.4
4.7
5
5.3
5.6
Input Voltage (V)
Input Voltage (V)
P-Channel On-Resistance vs. Input Voltage
(Channels 1 and 2; V
OUT
= 3.3V)
Switch On-Resistance (mΩ)
Ω
1000
P-Channel On-Resistance vs. Input Voltage
(Channel 3; V
OUT
= 1.2V)
300
250
200
150
100
50
0
2.6
On-Resistance (mΩ)
Ω
900
800
700
600
500
400
100°C
85°C
25°C
.
100°C
85°C
25°C
300
3.2
3.6
4
4.4
4.8
5.2
5.6
3.1
3.6
4.1
4.6
5.1
5.6
Input Voltage (V)
Input Voltage (V)
V
IH
vs. Input Voltage
1.3
1.2
1.1
1.3
1.2
V
IL
vs. Input Voltage
V
IH
(V)
1
0.9
0.8
0.7
0.6
2.6
V
IL
(V)
85°C
25°C
-40°C
1.1
1
0.9
0.8
0.7
0.6
2.6
85°C
25°C
-40°C
3.1
3.6
4.1
4.6
5.1
5.6
3.1
3.6
4.1
4.6
5.1
5.6
Input Voltage (V)
Input Voltage (V)
6
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2784.2007.11.1.1