AAT1154 Advanced Analogic Technologies, AAT1154 Datasheet - Page 5

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

Typical Characteristics
1154.2003.08.0.91
65
60
50
45
40
90
80
70
60
50
40
70
55
1.1
0.9
0.8
0.7
0.6
1.2
1
-20
2.5
2.5
Enable Threshold vs. Input Voltage
V
IN
EN(H)
EN(L)
= 2.7V
0
3
V
3
R
IN
DS(ON)
R
= 3.6V
DS(ON)
20
Temperature ( C)
3.5
Input Voltage (V)
Input Voltage (V)
3.5
vs. Temperature
vs. V
40
V
IN
V
4
IN
IN
4
= 4.2V
, I
= 5V
60
DS
= 1A
4.5
4.5
80
V
IN
= 5.5V
5
100
5
120
5.5
5.5
Oscillator Frequency Variation vs. Temperature
-1
-2
-3
-4
-0.2
-0.4
-0.6
-0.8
1MHz 3A Buck DC/DC Converter
0
1
0.4
0.2
-0.25
0.25
-20
-0.5
0
0.5
-20
0
3.5
Output Voltage vs. Temperature
Oscillator Frequency Variation vs.
0
0
4
20
20
Temperature ( C)
Input Voltage (V)
Supply Voltage
Temperature ( C)
V
IN
I
OUT
= 5V
40
40
=2A
4.5
60
60
AAT1154
5
80
80
100
5.5
100
5