AS1339
Datasheet - Ty p i c a l O p e r a t i o n C h a r a c t e r i s t i c s
Figure 21. DC-DC Efficiency vs Input Voltage;
V OUT = 1.0V
100
90
Figure 22. DC-DC Line Regulation, V OUT vs. V IN ;
V OUT = 3.8V
4.5
4
3.5
80
3
Bypass
Mode
PWM
Mode
70
60
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
2.5
2
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
2.7 3.05
3.4 3.75 4.1 4.45 4.8
Input Voltage (V)
5.15 5.5
Figure 23. DC-DC Line Regulation, V OUT vs. V IN ;
V OUT = 3.4V
4.5
4
3.5
Figure 24. DC-DC Line Regulation, V OUT vs. V IN ;
V OUT = 2.0V
2.03
2.02
2.01
3
Bypass
Mode
PWM
Mode
2.00
2.5
2
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
1.99
1.98
1.97
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Figure 25. DC-DC Line Regulation, V OUT vs. V IN ;
V OUT = 1.5V
1.53
1.52
1.51
1.50
Figure 26. DC-DC Line Regulation, V OUT vs. V IN ;
V OUT = 1.0V
1.03
1.02
1.01
1
1.49
1.48
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
0.99
0.98
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
1.47
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
0.97
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Revision 1.05
11 - 25
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