AAT1162_08 Datasheet, PDF (6/18 Pages) Advanced Analogic Technologies – 12V, 1.5A Step-Down DC/DC Converter

SwitchReg^TM
Typical Characteristics
Test circuit of Figure 2, unless otherwise specified.
Supply Current vs. Input Voltage
(V_OUT = 5V)
170
160
150
140
130
85°C
120
25°C
-40°C
110
6
7
8
9
10
11
12
Input Voltage (V)
N-Channel R_DS(ON) vs. Temperature
120
100
80
60
40
20
0
-40
VIN = 12V
VIN = 6V
-15
10
35
60
85
Temperature (°C)
Switching Frequency vs. Temperature
810
805
800
795
790
785
780
775
770
-40
VIN = 6V
VIN = 12V
-15
10
35
60
85
Temperature (°C)
PRODUCT DATASHEET
AAT1162
12V, 1.5A Step-Down DC/DC Converter
Switching Current vs. Temperature
(V_OUT = 5V)
170
160
150
140
130
120
110
-40
VIN = 12V
VIN = 6V
-15
10
35
60
85
Temperature (°C)
P-Channel R_DS(ON) vs. Temperature
(V_IN = 6V)
200
180
160
140
120
100
80
60
40
VIN = 6V
20
VIN = 12V
0
-40
-15
10
35
60
85
Temperature (°C)
Start-up Time
(V_OUT = 5.0V; C_FF = 100pF; R_LOAD = 1.5A;
C_IN = 10µF; C_OUT = 22µF; L = 3.8µH)
6
6
5
5
V_EN
4
4
3
V_OUT
3
2
2
1
I _LOAD
1
0
0
Time (500µs/div)
6
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1162.2008.01.1.3