AAT1110 AAT, AAT1110 Datasheet - Page 6

• Manufacturer Part Number: AAT1110
• Description: Fast Transient 800mA Step-Down Converter
• Manufacturer: AAT

Typical Characteristics
6
-1.0
-2.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-40
5.0
4.0
3.0
2.0
1.0
0.0
2.7
Output Voltage Error vs. Temperature
V
(V
OUT
IN
-20
(V
Frequency vs. Input Voltage
3.1
= 3.6V; V
= 1.8V
IN
= 3.6V; V
0
3.5
Time (100μ μ s/div)
Soft Start
OUT
Temperature (° ° C)
Input Voltage (V)
(I
OUT
O
= 1.8V; I
V
20
= 1.8V; I
3.9
OUT
= 800mA)
= 2.5V
OUT
40
4.3
OUT
= 800mA)
V
= 400mA)
OUT
60
4.7
= 3.3V
80
5.1
Fast Transient 800mA Step-Down Converter
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
100
5.5
No Load Quiescent Current vs. Input Voltage
-12.0
-15.0
15.0
12.0
-3.0
-6.0
-9.0
50
45
40
35
30
25
20
15
10
9.0
6.0
3.0
0.0
-0.10
-0.20
-0.30
-0.40
0.40
0.30
0.20
0.10
0.00
2.7
-40
Switching Frequency vs. Temperature
2.5
85°C
-40°C
3.1
-20
3.0
25°C
(V
3.5
0
IN
3.5
Line Regulation
= 3.6V; V
Temperature (° ° C)
Input Voltage (V)
Input Voltage (V)
(V
I
OUT
3.9
20
OUT
4.0
= 1mA
I
OUT
= 1.8V)
OUT
4.3
40
= 400mA
= 1.8V)
I
4.5
OUT
= 10mA
60
4.7
AAT1110
5.0
I
OUT
1110.2006.04.1.0
= 800mA
80
5.1
5.5
100
5.5
6.0