AAT2114A Datasheet, PDF (8/16 Pages) Skyworks Solutions Inc. – 2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator

DATA SHEET
AAT2114A
2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator
Typical Characteristics
Line Transient Response
(V_IN = 3.6V to 4.2V; V_OUT = 2.5V; I_OUT = 2.5A;
C_OUT = 2x10µF; C₅ = 100pF)
4.8
4.2
3.6
3.0
2.52
2.50
2.48
2.46
Time (20µs/div)
Line Transient Response
(V_IN = 3.6V to 4.2V; V_OUT = 1.8V; I_OUT = 2.5A;
C_OUT = 2x10µF; C₅ = 100pF)
4.8
4.2
3.6
3.0
1.82
1.80
1.78
1.76
Time (20µs/div)
Output Ripple
(V_IN = 3.6V; V_OUT = 1.2V; I_OUT = 10mA)
1.24
1.22
1.20
1.18
0.6
0.4
0.2
0.0
Time (10µs/div)
Output Ripple
(V_IN = 3.6V; V_OUT = 1.2V; I_OUT = 2.5A)
1.24
1.22
1.20
1.18
3.0
2.5
2.0
1.5
Time (200ns/div)
Enable Soft Start
(V_IN = 3.6V; V_OUT = 1.2V; I_OUT = 2.5A)
4
3
2
1
0
3
2
1
0
Time (20µs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202004C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013