PRODUCT DATASHEET
AAT2113A
TM
SwitchReg
3MHz, FastTransient 1.5A Step-Down Converter in 2mm x 2mm Package
Typical Characteristics
Output Voltage vs. Input Voltage
Output Voltage vs. Input Voltage
(VOUT = 1.2V; IOUT = 1A)
(VOUT = 1.8V; IOUT = 1A)
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
T = 85°C
T = 25°C
T = -40°C
T = 85°C
T = 25°C
T = -40°C
1.17
1.16
1.15
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
2.7
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
Output Voltage Error vs. Temperature
(VOUT = 1.2V; VIN = 3.3V; IOUT = 1A)
(VOUT = 1.8V; VIN = 3.3V; IOUT = 1A)
1.0
1.5
1.0
0.5
0.5
0.0
0.0
-0.5
-1.0
-1.5
-0.5
-1.0
-1.5
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90
Temperature (°C)
Temperature (°C)
Switching Frequency vs. Temperature
Quiescent Current vs. Input Voltage
(VOUT = 1.2V; IOUT = 1A)
(No Load)
3.04
3.02
3.00
2.98
2.96
2.94
2.92
2.90
2.88
2.86
2.84
80
70
60
50
40
30
20
10
0
T = 85°C
T = 25°C
T = -40°C
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Temperature (°C)
Input Voltage (V)
w w w . a n a l o g i c t e c h . c o m
6
2113A.2009.06.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
