AAT1155 AAT, AAT1155 Datasheet - Page 6

• Manufacturer Part Number: AAT1155
• Description: Step-Down DC-DC Converter
• Manufacturer: AAT

Typical Characteristics
6
-1
-2
-3
-4
-5
4.5
3.5
2.5
0
1
-10.0
4
3
2
5
3.4
-3.0
-5.0
-7.0
-1.0
-2.0
-4.0
-6.0
-8.0
-9.0
-20
0.0
0.01
I
-10
O
= 3.0A
3.7
Over-Temperature Shutdown
0
Current vs. Temperature
10
4
(V
Line Regulation
Input Voltage (V)
(V
OUT
20
Temperature (°C)
0.10
Load Regulation
Load Current (A)
IN
(V
= 3.3V; V
= 5.0V; V
4.3
30
OUT
40
= 3.3V)
4.6
IN
OUT
50
= 5.0V)
= 3.3V)
1.00
60
4.9
70
80
5.2
90
10.00
5.5
100
1MHz 2.5A Step-Down DC/DC Converter
Over-Temperature Current vs. Input Voltage
3.6
3.4
3.2
2.8
2.6
2.4
2.2
1.8
1.6
600
700
650
500
450
750
550
3
2
3.5
-20
-2
-4
-6
-8
55°C
70°C
85°C
100°C
8
6
4
2
0
2.7V
0
3.75
AAT1155 Evaluation Board
Overshoot Characteristics
0
3.6V 4.2V
Non-Switching Operating
0.4
Current vs. Temperature
Inrush and Output
4
20
Input Voltage (V)
(V
Temperature (°C)
Time (ms)
4.25
0.8
OUT
(FB = 0V)
= 3.3V)
40
4.5
1.2
5.0V
60
4.75
1.6
5.5V
AAT1155
80
5
1155.2005.11.1.6
2
5.25
100
14
12
10
8
6
4
2
0
-2
5.5
120