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
No Load Input Current vs. Temperature
VCC = VP
12
10
8
6
4
2
0
-20
VCC = 5.5V VCC = 5.0V
VCC = 4.2V VCC = 3.6V
VCC = 2.7V
-5
10
25
40
55
70
85
Temperature (°C)
Non-Switching IQ vs. Temperature
FB = 0V, VP = VCC
200
190
180
170
160
150
140
130
120
110
100
-20
VCC = 5.5V
VCC = 5.0V
VCC = 2.7V
VCC = 3.6V
VCC = 4.2V
-5
10
25
40
55
70
85
Temperature (°C)
Switching Waveform
V(LX)
2V/div
IL
500mA/div
VIN=3.6V
VOUT=1.5V
IOUT=1.2A
VOUT
5mV/div
BW=20MHz
VIN=3.6V
VOUT=1.5V
IOUT=0A
LX
2V/div
500nsec/div
Output Ripple
1.5V, No Load
500nsec/div
VOUT
50mV/div
Transient Response
Inductor Current
500mA/div
VIN=3.6V
VOUT=1.5V
ILOAD=0.25 to 1.2A
20µs/div
VOUT
5mV/div
BW=20MHz
VIN=3.6V
VOUT=1.5V
IOUT=1A
LX
2V/div
Output Ripple
1.5V, 1A Load
500nsec/div
1152.2003.01.0.9
7
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