AAT1112 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT1112 Datasheet PDF : 19 Pages
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SwitchRegTM
Typical Characteristics
Heavy Load Switching Waveform
(PWM Mode; VIN = 3.6V; VOUT = 1.8V; 1.5A Load)
4.0
2.6
2.0
2.4
0.0
2.2
-2.0
2.0
-4.0
1.8
-6.0
1.6
-8.0
1.4
-10.0
1.2
-12.0
1.0
Time (2.5µs/div)
Light Load Switching Waveform
(PFM Mode; VIN = 3.6V; VOUT = 1.8V; 1mA Load)
8.0
700
4.0
600
0.0
500
-4.0
400
-8.0
300
-12.0
200
-16.0
100
-20.0
0
-24.0
-100
Time (100µs/div)
Load Transient Response
(VIN = 3.6V; VOUT = 1.8V; No CFF)
2.5
3.5
2.0
3.0
1.5
2.5
1.0
2.0
0.5
1.5
0.0
1.0
-0.5
0.5
-1.0
0.0
-1.5
-0.5
Time (50µs/div)
PRODUCT DATASHEET
AAT1112
1.5A, 1.4MHz Step-Down Converter
Light Load Switching Waveform
(PWM Mode; VIN = 3.6V; VOUT = 1.8V; 1mA Load)
4.0
1200
2.0
1000
0.0
800
-2.0
600
-4.0
400
-6.0
200
-8.0
0
-10.0
-200
-12.0
-400
Time (2.5µs/div)
Load Transient Response
(VIN = 3.6V; VOUT = 1.8V; CFF = 100pF)
2.0
2.4
1.9
2.2
1.8
2.0
1.7
1.8
1.6
1.6
1.5
1.4
1.4
1.2
1.3
1.0
1.2
0.8
Time (20µs/div)
Line Transient Response
(VOUT = 1.8V; 1.5A Load)
5.0
3.0
4.5
2.8
4.0
2.6
3.5
2.4
3.0
2.2
2.5
2.0
2.0
1.8
1.5
1.6
1.0
1.4
Time (200µs/div)
1112.2007.11.1.2
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