AAT1143IJS-1.2-T1 AnalogicTech, AAT1143IJS-1.2-T1 Datasheet - Page 5

• Manufacturer Part Number: AAT1143IJS-1.2-T1
• Description: 1MHz 400mA Step-Down Converter
• Manufacturer: AnalogicTech

Typical Characteristics
1143.2005.09.1.7
-0.5
-1.0
-1.5
-2.0
100
1.0
0.5
0.0
100
90
80
70
60
50
90
80
70
60
0.1
0.1
2.7
V
IN
INTERNAL DOCUMENT
V
= 2.7V
3.1
IN
Frequency vs. Input Voltage
= 3.0V
V
1
1
Efficiency vs. Load
Efficiency vs. Load
(V
IN
(V
3.5
= 3.6V
OUT
OUT
Output Current (mA)
V
Output Current (mA)
IN
V
V
Input Voltage (V)
= 2.5V; L = 4.7µ µ H)
= 1.8V; L = 4.7µ µ H)
(V
IN
IN
= 4.2V
= 3.6V
3.9
= 3.3V
OUT
= 1.8V)
DO NOT COPY
10
10
4.3
4.7
100
100
5.1
1000
1000
5.5
1MHz 400mA Step-Down Converter
-1.0
-2.0
-1.0
-2.0
2.0
1.0
0.0
2.0
1.0
0.0
-1.0
-2.0
2.0
1.0
0.0
0.1
0.1
-40
Output Voltage Error vs. Temperature
-20
1
1
(V
(V
Load Regulation
OUT
OUT
DC Regulation
(V
Output Current (mA)
Output Current (mA)
0
V
IN
= 2.5V; L = 4.7µ µ H)
= 1.8V; L = 4.7µ µ H)
IN
Temperature (° ° C)
= 3.6V; V
= 2.7V
20
10
10
V
IN
O
= 3.3V
40
= 1.5V)
V
IN
V
AAT1143
= 3.6V
IN
V
100
100
= 3.0V
60
IN
V
= 4.2V
IN
= 3.6V
80
1000
1000
100
5