AAT2522 Datasheet, PDF (8/19 Pages) Skyworks Solutions Inc. – Dual High-Current, Low-Noise, Step-Down Regulator

DATA SHEET
AAT2522
Dual High-Current, Low-Noise, Step-Down Regulator
Typical Characteristics
Step-Down Converter Load Transient Response
(IOUT = 0.3A to 3.0A; VIN = 3.6V; VOUT = 1.2V; COUT = 22µF)
4
3
3.0A
2
0.3A
1
0
1.4
1.2
1.0
0.8
Step-Down Converter Load Transient Response
(IOUT = 2.25A to 3.0A; VIN = 3.6V; VOUT = 1.2V; COUT = 22µF)
5
4
3.0A
2.25A
3
2
1.4
1.2
1.0
0.8
Time (100µs/div)
Time (100µs/div)
Step-Down Converter Load Transient Response
(IOUT = 0.3A to 3.0A; VIN = 4.2V; VOUT = 3.3V; COUT = 22µF)
4
3
3.0A
2
0.3A
1
3.7
0
3.5
3.3
3.1
2.9
Time (100µs/div)
Step-Down Converter Load Transient Response
(IOUT = 2.25A to 3.0A; VIN = 4.2V; VOUT = 3.3V; COUT = 22µF)
5
4
3.0A
2.25A
3
2
3.5
3.3
3.1
2.9
Time (100µs/div)
Step-Down Converter Line Transient Response
(VIN = 3.6V to 4.3V; VOUT = 1.2V; IOUT = 3A)
5
4
3 3.6V
4.3V
2
1.3
1.2
1.1
1.0
Time (200µs/div)
Step-Down Converter Line Transient Response
(VIN = 3.6V to 4.3V; VOUT = 1.8V; IOUT = 3A)
5
4
3
3.6V
4.3V
2
2.0
1.9
1.8
1.7
1.6
Time (100µs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202032A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012