AAT1155 AAT, AAT1155 Datasheet - Page 5

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

Typical Characteristics
1155.2005.11.1.6
80
75
70
65
60
55
50
45
40
90
80
70
60
50
40
1.2
1.1
0.9
0.8
0.7
0.6
-20
1
2.5
2.5
2.7V
Enable Threshold vs. Input Voltage
EN(H)
EN(L)
0
3
3
3.6V
R
R
DS(ON)
DS(ON)
20
3.5
Input Voltage (V)
Input Voltage (V)
3.5
Temperature (°C)
vs. Input Voltage
vs. Temperature
4.2V
40
(I
DS
= 1A)
4
4
60
4.5
4.5
5.0V
80
5.5V
100
5
5
120
5.5
5.5
1MHz 2.5A Step-Down DC/DC Converter
Oscillator Frequency Variation vs. Temperature
-0.25
-2
-3
-4
-0.2
-0.4
-0.6
-0.8
-1
0.25
0
0.4
0.2
-0.5
1
0.5
-20
0
0
-20
Output Voltage Variation vs. Temperature
3.5
Oscillator Frequency Variation
0
0
4
vs. Input Voltage
(I
Input Voltage (V)
20
Temperature (° ° C)
20
OUT
Temperature (°C)
(V
(V
IN
= 2A; V
OUT
= 5V)
= 3.3V)
4.5
40
40
O
= 3.3V)
60
60
AAT1155
5
80
80
5.5
100
100
5