AAT1152 Просмотр технического описания (PDF) - Analog Technology Inc
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AAT1152 Datasheet PDF : 18 Pages
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AAT1152
850kHz 1A Synchronous Buck DC/DC Converter
Typical Characteristics
High Side RDS(ON) vs. Temperature
170
150
130
110
90
70
-20
2.7V
3.6V
4.2V
5.5V
0
20
40
60
80
Temperature (°C)
100
120
Low Side RDS(ON) vs. Temperature
170
150
130
110
2.7V
90
70
-20
0
3.6V
4.2V
5.5V
20
40
60
80
Temperature (°C)
100
120
130
120
110
100
90
80
2.5
RDS(ON) vs. Input Voltage
High Side
Low Side
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Enable Threshold vs. Input Voltage
1.2
1.1
VEN(H)
1
0.9
0.8
VEN(L)
0.7
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Oscillator Frequency Variation vs.
Supply Voltage
3.5
2.5
1.5
0.5
-0.5
-1.5
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
Oscillator Frequency Variation vs. Temperature
VIN=3.6V
10
6
2
-2
-6
-10
-20
0
20
40
60
80
100
Temperature (°C)
1152.2003.01.0.9
5
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