AAT1130 Datasheet, PDF (7/19 Pages) Advanced Analogic Technologies – 2.5MHz 500mA Step-Down DC/DC Converter

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Typical Characteristics
Supply Current vs. Temperature
100
90
80
70
60
50
40
30
20
-40
-15
10
35
60
85
Temperature (V)
PRODUCT DATASHEET
AAT1130
2.5MHz 500mA Step-Down DC/DC Converter
Output Voltage Error vs. Temperature
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40
-15
10
35
60
85
Temperature (°C)
450
400
350
300
250
200
150
100
50
0
-40
R_DS(ON) vs. Temperature
PMOS
NMOS
-15
10
35
60
85
Temperature (°C)
100
90
80
70
60
50
40
30
20
10
0
0.0001
Efficiency vs. Load Current
(V_OUT = 1.8V Fixed)
VIN = 2.7V
V_IN = 3.6V
V_IN = 4.2V
VIN = 5V
VIN = 5.5V
0.001
0.01
0.1
1
Load Current (A)
Output Voltage Error vs. Load Current
(V_OUT = 1.8V Fixed)
2
1.5
VIN = 2.7V
VIN = 3.6V
1
VIN = 4.2V
VIN = 5V
0.5
VIN = 5.5V
0
-0.5
-1
-1.5
-2
0.0001
0.001
0.01
0.1
1
Load Current (A)
1
0.75
0.5
0.25
0
-0.25
-0.5
-0.75
-1
2.7
Line Regulation
(V_OUT = 1.8V Fixed)
IOUT = 1mA
IOUT = 10mA
IOUT = 100mA
IOUT = 300mA
3.2
3.7
4.2
4.7
5.2
5.7
Input Voltage (V)
1130.2008.08.1.1
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