AAT1162_08 Datasheet, PDF (7/18 Pages) Advanced Analogic Technologies – 12V, 1.5A Step-Down DC/DC Converter

SwitchReg^TM
Typical Characteristics
Test circuit of Figure 2, unless otherwise specified.
Line Transient
(V_OUT = 5.0V; C_FF = 100pF; V_IN = 7.6V to 11V;
I_OUT = 1.5A; C_IN = 10µF; C_OUT = 22µF; L = 3.8µH)
12
5.30
11
5.25
10
5.20
9
5.15
8
5.10
7
5.05
6
5.00
5
4.95
4
4.90
Time (100µs/div)
Load Transient
(V_OUT = 3.3V; C_OUT = 66µF; No C_FF)
3.6
3.4
3.2
3
1.5A
2.8
2.6
10mA
2.4
2.2
2
Time (50µs/div)
Load Transient
(V_OUT = 5V; C_OUT = 66µF; No C_FF)
5.4
5.1
4.8
4.5
1.5A
4.2
3.9
10mA
3.6
3.3
3
Time (50µs/div)
PRODUCT DATASHEET
AAT1162
12V, 1.5A Step-Down DC/DC Converter
Load Transient
(V_OUT = 3.3V; C_FF = 100pF; C_OUT = 66µF)
3.6
3.4
3.2
3
1.5A
2.8
2.6
10mA
2.4
2.2
2
Time (50µs/div)
Load Transient
(V_OUT = 5V; C_FF = 100pF; C_OUT = 66µF)
5.4
5.1
4.8
4.5
1.5A
4.2
3.9
10mA
3.6
3.3
3
Time (50µs/div)
V_OUT vs. Temperature
(V_OUT = 3.3V; I_LOAD = 1.5A)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
1162.2008.01.1.3
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