AAT1130 Datasheet, PDF (8/18 Pages) Advanced Analogic Technologies – 2.5MHz 500mA Step-Down DC/DC Converter

Typical Characteristics
Load Transient
(V_OUT = 1.8V; V_IN = 3.6V; C_OUT = 4.7µF; C_FF = 100pF; L = 1.5µH)
1.90
1.6
1.85
1.4
1.80
1.2
1.75
1.0
1.70
0.8
1.65
500mA
0.6
1.60
0.4
1.55
10mA
0.2
1.50
0
Time (5µs/div)
DATA SHEET
AAT1130
2.5MHz 400mA Step-Down DC/DC Converter
Load Transient
(V_OUT = 1.5V; V_IN = 3.6V; C_OUT = 4.7µF; C_FF = 100pF; L = 1.5µH)
1.60
1.6
1.55
1.4
1.50
1.2
1.45
1.0
1.40
0.8
1.35
500mA
0.6
1.30
0.4
1.25
10mA
0.2
1.20
0
Time (5µs/div)
Load Transient
(V_OUT = 1.5V; V_IN = 3.6V; C_OUT = 4.7µF; L = 1.5µH)
1.60
0.8
1.55
0.7
1.50
0.6
1.45
0.5
1.40
0.4
300mA
1.35
0.3
1.30
0.2
100mA
1.25
0.1
1.20
0
Time (5µs/div)
Load Transient
(V_OUT = 1V; V_IN = 3.6V; C_OUT = 4.7µF; C_FF = 100pF; L = 1µH)
1.10
1.6
1.05
1.4
1.00
1.2
0.95
1.0
0.90
0.8
0.85
0.6
400mA
0.80
0.4
0.75
100mA
0.2
0.70
0
Time (5µs/div)
Load Transient
(V_OUT = 1V; V_IN = 3.6V; C_OUT = 4.7µF; L = 1µH)
1.10
1.6
1.05
1.4
1.00
1.2
0.95
1.0
0.90
0.8
0.85
0.6
400mA
0.80
0.4
0.75
100mA
0.2
0.70
0
Time (5µs/div)
Load Transient
(V_OUT = 1V; V_IN = 3.6V; C_OUT = 4.7µF; C_FF = 100pF; L = 1µH)
1.10
1.6
1.05
1.4
1.00
1.2
0.95
1.0
0.90
0.8
0.85
500mA
0.6
0.80
0.4
0.75
0.2
10mA
0.70
0
Time (5µs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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201977B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013