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AAT2789 Datenblatt(PDF) 10 Page - Advanced Analogic Technologies

Teilenummer AAT2789
Bauteilbeschribung  Low Noise, High Frequency Dual Step-Down Converter
PDF  22 Pages
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Hersteller  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT2789 Datenblatt(HTML) 10 Page - Advanced Analogic Technologies

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AAT2789
Low Noise, High Frequency Dual Step-Down Converter
SystemPowerTM
PRODUCT DATASHEET
10
2789.2008.03.1.0
www .analogictech.com
AAT2789
Low Noise, High Frequency Dual Step-Down Converter
SystemPowerTM
PRODUCT DATASHEET
10
2789.2008.03.1.0
www .analogictech.com
Typical Characteristics – Channel 2
Line Regulation
(VOUT = 1.8V)
Input Voltage (V)
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
1mA
400mA
600mA
800mA
Switching Frequency vs. Temperature
(VOUT = 1.8V; IOUT = 800mA)
Temperature (°C)
1.92
1.94
1.96
1.98
2
2.02
2.04
2.06
2.08
-40
-15
10
35
60
85
Frequency Variation vs. Input Voltage
Input Voltage (V)
-4
-3
-2
-1
0
1
2
3
4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VOUT = 1.8V
VOUT = 3V
Output Voltage Error vs. Temperature
(VIN = 3.6V; VO = 1.8V, IOUT = 400mA)
Temperature (°C)
-2.0
-1.0
0.0
1.0
2.0
-40
-20
0
20
40
60
80
100
No Load Quiescent Current vs. Input Voltage
Input Voltage (V)
10
15
20
25
30
35
40
45
50
55
60
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
85°C
25C
-40°C
P-Channel R
DS(ON) vs. Input Voltage
Input Voltage (V)
200
250
300
350
400
450
500
550
2.5
3
3.5
4
4.5
5
5.5
6
120°C
100°C
85°C
25°C



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