PRODUCT DATASHEET
AAT2550178
SystemPowerTM
Total Power Solution for Portable Applications
Typical Characteristics — Step-Down Converter (continued)
Line Response
(VOUT = 1.8V @ 400mA)
Output Ripple
(VIN = 3.6V; VOUT = 1.8V; IOUT = 1mA)
40
20
0
1.82
1.81
1.80
VO
-20
0.15
0.10
0.05
0.00
-0.05
-0.10
4.5
4.0
3.5
3.0
IL
Time (25µs/div)
Time (10µs/div)
Output Ripple
(VIN = 3.6V; VOUT = 1.8V; IOUT = 400mA)
40
20
0
VO
-20
0.6
0.5
0.4
0.3
0.2
0.1
IL
Time (500ns/div)
w w w . a n a l o g i c t e c h . c o m
2550.2008.02.1.3
9