AS1331
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
Figure 9. I
IN
Short Circuit vs. Input Voltage
30
Figure 10. V
OUT
Ripple vs. Input Voltage
250
Vout Ripple Voltage (mV)
25
200
Input Current (mA)
20
15
10
5
0
1.8 2.2 2.6 3.0 3.4 3.8 4.2 4.6 5.0 5.4
150
100
50
10uF / Vpp
22uF / Vpp
47uF / Vpp
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Input Voltage (V)
Figure 11. Load Regulation vs. Load Current
3.38
3.36
Figure 12. V
OUT
Regulation vs. Temperature
3.5
V
OUT
= 3.3V
3.25
Output Voltage (V)
Output Voltage (V)
3.34
3.32
3.3
3.28
3.26
3.24
0.1
1
10
100
1000
Vout - 10uF
Vout - 22uF
Vout - 47uF
V
OUT
= 3.0V
3
2.75
2.5
2.25
2
-45 -30 -15
V
OUT
= 2.5V
0
15
30
45
60
75
90
Load Current (mA)
Temperature (°C)
Figure 13. I
FB
vs. Temperature; V
IN
= 5V
0.4
3.6V
5.0V
Figure 14. EN Pin Threshold
1
Threshold Voltage (V)
0.3
5.5V
FB Input Current (µA)
0.9
0.2
0.1
0
-0.1
-0.2
-45 -30 -15
0.8
0.7
up-ON
down-OFF
0
15
30
45
60
75
90
0.6
-45 -30 -15
0
15
30
45
60
75
90
Temperature (°C)
Temperature (°C)
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