AAT1161 Datasheet, PDF (6/18 Pages) Advanced Analogic Technologies – 13.2V Input, 3A Step-Down Converter

SwitchReg^TM
Typical Characteristics
Non Switching Supply Current vs. Input Voltage
180
85°C
170
25°C
160
-40°C
150
140
130
120
110
100
5
6
7
8
9
10
11
12
Input Voltage (V)
Switching Frequency vs. Temperature
(V_IN = 6V)
810
805
800
795
790
785
780
775
770
-40
VIN = 12V
V_IN = 6V
-15
10
35
60
85
Temperature (°C)
Line Transient
(V_OUT = 5.0V; C_FF = 100pF; V_IN = 6V to 11V;
I_OUT = 3A; C_IN = 10µF; C_OUT = 66µF; L = 3.8µH)
5.2
20
5.1
18
5.0
16
14
4.9
12
4.8
10
4.7
8
4.6
6
4.5
4
Time (200ms/div)
PRODUCT DATASHEET
AAT1161
13.2V Input, 3A Step-Down Converter
P-Channel R_DS(ON) vs. Temperature
(V_IN = 6V)
200
180
160
140
6V
120
100
12V
80
60
40
20
0
-40
-15
10
35
60
85
Temperature (°C)
V_OUT Tolerance vs. Temperature
(V_OUT = 3.3V; I_LOAD = 3A)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-40
-15
10
35
60
85
Temperature (°C)
Load Transient
(V_OUT = 5.0V; C_FF = 100pF; I_OUT = 1A to 3A; C_OUT = 66µF)
5.6
8
5.4
7
5.2
6
5.0
5
4.8
4
4.6
3
4.4
2
4.2
1
4.0
0
Time (200ms/div)
6
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1161.2008.03.1.0