AAT1154 Advanced Analogic Technologies, AAT1154 Datasheet - Page 6

• Manufacturer Part Number: AAT1154
• Description: 1MHz 3A Buck DC/DC Converter
• Manufacturer: Advanced Analogic Technologies

Typical Characteristics
6
Over Temp Shutdown Current vs. Temperature
-1
-2
-3
-4
-5
4.5
3.5
2.5
0
5.5
1
-10.0
6
4
3
2
5
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
3
0.0
10
0.01
20
V
3.5
I
I
OUT
O
O
= 0.3A
= 3.0A
30
= 3.3V, V
V
Line Regulation
IN
Input Voltage (V)
Load Regulation
4
40
Temperature ( C)
= 5.0V, V
0.1
Load Current (A)
V
OUT
50
IN
=3.3V
4.5
= 5.0V, L = 1.5 H
60
IN
= 3.3V
5
70
1
80
5.5
90
10
100
6
Non-Switching Operating Current vs. Temperature
3.6
3.4
3.2
2.8
2.6
2.4
2.2
1MHz 3A Buck DC/DC Converter
0.8
0.6
0.4
2
0.7
0.5
3
Inrush and Output Overshoot Characteristic
3.5
14
12
10
-2
-20
8
6
4
2
0
0
V
70°C
85°C
100°C
Over Temp Current vs. Input Voltage
IN
Inductor Current
3.75
Input
= 5.5V
V
IN
0
= 2.7V
0.4
4
20
V
Time (millisec)
IN
Temperature ( C)
= 5.0V
0.8
4.25
3A Load
V
Input Voltage (V)
V
FB = 0V
IN
OUT
40
= 3.6V
4.5
= 3.3V
Output
1.2
60
V
4.75
IN
= 4.2V
AAT1154
1.6
80
1154.2003.08.0.91
5
100
2
5.25
6
4
2
0
-2
-4
-6
-8
-10
120
5.5