PRODUCT DATASHEET
AAT2113A
SwitchReg
TM
3MHz, Fast Transient 1.5A Step-Down Converter in 2mm x 2mm Package
Typical Characteristics
Output Voltage vs. Input Voltage
(V
OUT
= 1.2V; I
OUT
= 1A)
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
2.7
3.1
3.5
3.9
4.3
4.7
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
5.5
1.75
2.7
Output Voltage vs. Input Voltage
(V
OUT
= 1.8V; I
OUT
= 1A)
Output Voltage (V)
T = 85°C
T = 25°C
T = -40°C
5.1
Output Voltage (V)
T = 85°C
T = 25°C
T = -40°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
Output Voltage Error vs. Temperature
(V
OUT
= 1.2V; V
IN
= 3.3V; I
OUT
= 1A)
1.0
Output Voltage Error vs. Temperature
(V
OUT
= 1.8V; V
IN
= 3.3V; I
OUT
= 1A)
1.5
Output Voltage Error (%)
Output Voltage Error (%)
0
10
20
30
40
50
60
70
80
90
0.5
0.0
-0.5
-1.0
-1.5
-40 -30 -20 -10
1.0
0.5
0.0
-0.5
-1.0
-1.5
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
Temperature (°C)
Temperature (°C)
Switching Frequency vs. Temperature
(V
OUT
= 1.2V; I
OUT
= 1A)
Switching Frequency (MHz)
3.04
3.02
3.00
2.98
2.96
2.94
2.92
2.90
2.88
2.86
2.84
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
80
70
60
50
40
30
20
10
0
Quiescent Current vs. Input Voltage
(No Load)
Supply Current (µA)
T = 85°C
T = 25°C
T = -40°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Temperature (°C)
Input Voltage (V)
6
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2113A.2009.06.1.1
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