AAT1146 Datasheet, PDF (8/20 Pages) Advanced Analogic Technologies – Fast Transient 400mA Step-Down Converter

Typical Characteristics
Line Response
(V_OUT = 1.8V @ 400mA)
1.82
6.0
1.81
5.5
1.80
5.0
1.79
4.5
1.78
4.0
1.77
3.5
1.76
3.0
Time (25μs/div)
Output Ripple
(V_IN = 3.6V; V_OUT = 1.8V; I_OUT = 400mA)
40
0.9
20 _VO
0.8
0
0.7
-20
0.6
-40
0.5
-60
0.4
-80
0.3
-100 I_L
0.2
-120
0.1
Time (500ns/div)
DATA SHEET
AAT1146
Fast Transient 400mA Step-Down Converter
Output Ripple
(V_IN = 3.6V; V_OUT = 1.8V; I_OUT = 1mA)
40
20 _VO
0
-20
-40
-60 _IL
-80
-100
-120
Time (10µs/div)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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201985B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013