AAT1149 查看數據表（PDF） - Advanced Analogic Technologies
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AAT1149 Datasheet PDF : 21 Pages
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SwitchRegTM
Typical Characteristics
Line Transient
(VOUT = 1.8; No Load; No Feedforward Capacitor)
4.50
1.94
4.25
1.92
4.00
1.90
3.75
1.88
3.50
1.86
3.25
1.84
3.00
1.82
2.75
1.80
2.50
1.78
Time (50µs/div)
PRODUCT DATASHEET
AAT1149
3MHz Fast Transient 400mA Step-Down Converter
Line Transient
(VOUT = 1.8; CFF = 100pF)
1.86
4.50
1.85
4.25
1.84
4.00
1.83
3.75
1.82
3.50
1.81
3.25
1.80
3.00
1.79
2.75
1.78
2.50
Time (20µs/div)
N-Channel RDS(ON) vs. Input Voltage
(SC70JW-8)
750
700
650
120°C 100°C
600
550
500
450
85°C
400
25°C
350
300
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
P-Channel RDS(ON) vs. Input Voltage
(SC70JW-8)
750
700
650
120°C 100°C
600
550
500
85°C
450
25°C
400
350
300
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
N-Channel RDS(ON) vs. Input Voltage
(WLCSP-5)
750
700
650
600
120°C
100°C
550
500
450
85°C
400
350
300
25°C
250
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
P-Channel RDS(ON) vs. Input Voltage
(WLCSP-5)
750
700
650
120°C
100°C
600
550
500
450
85°C
400
350
25°C
300
250
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
1149.2008.08.1.3
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