AS1341-BTDT(2007) データシートの表示（PDF） - austriamicrosystems AG
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AS1341-BTDT Datasheet PDF : 16 Pages
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AS1341
Data Sheet - Typical Operating Characteristics
Figure 9. Efficiency vs. Input Voltage;
Circuit 1 or Circuit 3
100
95
90
85
80
75
70
5
Ci r cui t 1: VOUT=3.3V, IOUT=500mA
Ci r cui t 1: VOUT=5V, IOUT=500mA
Ci r cui t 3: VOUT=3.3V, IOUT=250mA
Ci r cui t 3: VOUT=5V, IOUT=250mA
8
11
14
17
20
Input Voltage (V)
Figure 10. Output Voltage vs. Input Voltage;
VOUT = 5V
5.15
5.1
5.05
IOUT =1mA
IOUT =100mA
IOUT =300mA
IOUT =500mA
IOUT =600mA
5
4.95
4.9
4.85
5
8
11
14
17
20
Input Voltage (V)
Figure 11. Output Voltage vs. Input Voltage;
VOUT = 3.3V
3.4
3.35
IOUT =1mA
IOUT =100mA
IOUT =300mA
IOUT =500mA
3.3
3.25
3.2
4 6 8 10 12 14 16 18 20
Input Voltage (V)
Figure 12. Peak Switch Current vs. Input Voltage;
VOUT = 3.3V
1.8
1.6
ILIMIT = high
L=10µH
1.4
ILIMIT = high
L=39µH
1.2
ILIMIT = low
1
L=10µH
ILIMIT = low
0.8
L=39µH
0.6
0.4
0.2
0
5
8
11
14
17
20
Input Voltage (V)
Figure 13. Switching Freqency vs. Output Current;
VIN = 12V, VOUT = 5V, L = 10µH
250
ILIMIT = low
200
150
Figure 14. Switching Freqency vs. Output Current;
VIN = 12V, VOUT = 3.3V, L = 10µH
250
200
ILIMIT = low
150
100
ILIMIT = high
50
100
ILIMIT = high
50
0
0 100 200 300 400 500 600
Output Current (mA)
0
0 100 200 300 400 500 600
Output Current (mA)
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