AAT1157 AAT, AAT1157 Datasheet - Page 5

• Manufacturer Part Number: AAT1157
• Description: DC/DC Converter
• Manufacturer: AAT

Typical Characteristics
1157.2005.11.1.4
300
250
200
150
100
200
180
160
140
120
100
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
50
80
60
40
20
0.1
0
No Load Supply Current vs. Input Voltage
0
0
2.5
2.5
-40
P-Channel R
Output Voltage vs. Temperature
-40°C
85°C
-20
(V
3
3
IN
= 3.6V; V
0
3.5
3.5
Input Voltage (V)
Input Voltage (V)
Temperature (° ° C)
85°C
DSON
25°C
OUT
20
= 2.5V; I
vs. Input Voltage
4
4
25°C
100°C
40
OUT
4.5
4.5
= 1.0A)
60
120°C
5
5
80
5.5
5.5
100
1MHz 1.2A Buck DC/DC Converter
200
180
160
140
120
100
-1.0
-2.0
-3.0
-4.0
1.28
1.26
1.24
1.22
80
60
40
20
2.0
1.0
0.0
1.3
1.2
0
2.5
2.7
1
N-Channel R
3.1
Frequency vs. Input Voltage
3
V
IN
= 3.0V
10
3.5
V
Output Current (mA)
DC Regulation
IN
3.5
Input Voltage (V)
Input Voltage (V)
= 3.3V
(V
(V
DSON
OUT
3.9
OUT
= 2.5V)
85°C
100
= 1.8V)
vs. Input Voltage
4
V
IN
100°C
4.3
= 3.6V
4.5
25°C
AAT1157
4.7
1000
120°C
5
5.1
10000
5.5
5.5
5