AS1341
Datasheet - Typical Operating Characteristics
Figure 9. Efficiency vs. Input Voltage
Figure 10. Output Voltage vs. Input Voltage
100
5.15
IOUT =1mA
IOUT =100mA
IOUT =300mA
IOUT =500mA
IOUT =600mA
95
90
85
5.1
5.05
5
80
4.95
4.9
VOUT=3.3V, IOUT=500mA
VOUT=5V, IOUT=500mA
75
VOUT=3.3V, IOUT=250mA
VOUT=5V, IOUT=250mA
70
4.85
5
8
11
14
17
20
5
8
11
14
17
20
Input Voltage (V)
Input Voltage (V)
Figure 11. Output Voltage vs. Input Voltage;
OUT = 3.3V
Figure 12. Peak Switch Current vs. Input Voltage;
V
V
OUT = 3.3V
1.8
1.6
1.4
1.2
1
3.4
3.35
3.3
IOUT =1mA
ILIMIT = high
L=10µH
IOUT =100mA
IOUT =300mA
IOUT =500mA
ILIMIT = high
L=39µH
ILIMIT = low
L=10µH
ILIMIT = low
L=39µH
0.8
0.6
0.4
0.2
0
3.25
3.2
5
8
11
14
17
20
4
6
8
10 12 14 16 18 20
Input Voltage (V)
Input Voltage (V)
Figure 13. Switching Frequency vs. Output Current;
Figure 14. Switching Frequency vs. Output Current;
IN = 12V, VOUT = 3.3V, L = 10µH
V
IN = 12V, VOUT = 5V, L = 10µH
V
250
200
150
100
50
250
200
150
100
50
ILIMIT = low
ILIMIT = low
ILIMIT = high
ILIMIT = high
0
0
0
100
200 300
400
500
600
0
100
200 300
400
500
600
Output Current (mA)
Output Current (mA)
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Revision 1.09
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