AAT1185 Datasheet, PDF (6/16 Pages) Skyworks Solutions Inc. – High Voltage Step-Down Controller

Typical Characteristics
Circuit of Figure 4, unless otherwise specified.
Step-Down Controller Load Transient Response
(V_IN = 12V; I_OUT = 1A to 10A; C_OUT = 2x47µF)
15
10A
10
1A
5
0
3.7
3.5
3.3
3.1
2.9
Time (100µs/div)
Step-Down Controller Load Transient Response
(V_IN = 12V; I_OUT = 7.5A to 10A; C_OUT = 2x47µF)
12
10A
10
7.5A
8
6
3.4
3.3
3.2
3.1
Time (100µs/div)
Step-Down Controller Line Transient Response
(V_IN = 8V to 12V; V_OUT = 3.3V; I_OUT = 5A)
14
12
10
8
6
3.33
3.30
3.27
3.24
Time (200µs/div)
DATA SHEET
AAT1185
High Voltage Step-Down Controller
Step-Down Controller Load Transient Response
(V_IN = 12V; I_OUT = 5A to 10A; C_OUT = 2x47µF)
15
10A
10
5A
5
0
3.5
3.4
3.3
3.2
3.1
Time (100µs/div)
Step-Down Controller Soft Start
(V_IN = 12V; V_OUT = 3.3V; I_OUT = 10A)
15
10
5
0
15
10
5
0
Time (500µs/div)
Step-Down Controller Line Transient Response
(V_IN = 8V to 12V; V_OUT = 3.3V; I_OUT = 10A)
14
12
10
8
6
3.35
3.30
3.25
3.20
Time (200µs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202001A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 31, 2012