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AS1339 Datasheet(PDF) 11 Page - ams AG

Part # AS1339
Description  650mA RF Step-Down DC-DC for PA, with two LDOs
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1339 Datasheet(HTML) 11 Page - ams AG

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Revision 1.04
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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;
VOUT = 1.0V
Figure 22. DC-DC Line Regulation, VOUT vs. VIN;
VOUT = 3.8V
60
70
80
90
100
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
2
2.5
3
3.5
4
4.5
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
PWM
Mode
Bypass
Mode
Figure 23. DC-DC Line Regulation, VOUT vs. VIN;
VOUT = 3.4V
Figure 24. DC-DC Line Regulation, VOUT vs. VIN;
VOUT = 2.0V
2
2.5
3
3.5
4
4.5
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
PWM
Mode
Bypass
Mode
1.97
1.98
1.99
2.00
2.01
2.02
2.03
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Figure 25. DC-DC Line Regulation, VOUT vs. VIN;
VOUT = 1.5V
Figure 26. DC-DC Line Regulation, VOUT vs. VIN;
VOUT = 1.0V
1.47
1.48
1.49
1.50
1.51
1.52
1.53
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
0.97
0.98
0.99
1
1.01
1.02
1.03
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA


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