AAT1152IKS-3.0-T1 データシートの表示（PDF） - Analog Technology Inc
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AAT1152IKS-3.0-T1 Datasheet PDF : 18 Pages
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AAT1152
850kHz 1A Synchronous Buck DC/DC Converter
Typical Characteristics
Output Voltage vs. Temperature
IOUT=900mA, VOUT=1.5V
1.0
0.6
0.2
VIN = 2.7V
-0.2
VIN = 3.6V
-0.6
-1.0
-20
0
20
40
60
80
100
Temperature (°C)
Line Regulation
VOUT=1.5V
0.25
0.15
0.05
-0.05
IOUT = 1.0A
IOUT = 0.4A
-0.15
-0.25
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Load Regulation
VOUT= 1.5V, VIN=3.6V
0
-1
-2
-3
-4
-5
0
150
300
450
600
750
900
IOUT (mA)
Load Regulation
VOUT=3.3V, VIN=5.0V
0
-1
-2
-3
-4
-5
0
150
300
450
600
750
900
1050
Output Current (A)
100
90
80
70
60
50
2.5
Efficiency vs. Input Voltage
VOUT=1.5V
IO = 1A
IO = 0.4A
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Loop Gain and Phase vs. Output Capacitor
VIN = 3.6V IOUT = 0.3A
40
32
24
16
8
0
-8
-16
-24
-32
-40
10
100µF
Phase
47µF
47µF
Gain 69µF
100µF
69µF
100
225
180
135
90
45
0
-45
-90
-135
-180
-225
1000
Frequency (kHz)
6
1152.2003.01.0.9
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