AAT2550_08 Datasheet, PDF (9/34 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

SystemPower^TM
PRODUCT DATASHEET
AAT2550178
Total Power Solution for Portable Applications
Typical Characteristics — Step-Down Converter (continued)
Line Response
(V_OUT = 1.8V @ 400mA)
1.82
1.81
1.80
4.5
4.0
3.5
3.0
Time (25µs/div)
Output Ripple
(V_IN = 3.6V; V_OUT = 1.8V; I_OUT = 1mA)
40
20 _VO
0
-20
I_L
Time (10µs/div)
0.15
0.10
0.05
0.00
-0.05
-0.10
Output Ripple
(V_IN = 3.6V; V_OUT = 1.8V; I_OUT = 400mA)
40
20 _VO
0
-20
0.6
0.5
0.4
0.3
I_L
0.2
0.1
Time (500ns/div)
2550.2008.02.1.3
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