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AS1339 Datasheet(PDF) 9 Page - ams AG

Part # AS1339
Description  650mA RF Step-Down DC-DC for PA, with two LDOs
Download  26 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1339 Datasheet(HTML) 9 Page - ams AG

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www.austriamicrosystems.com/DC-DC_Step-Down/AS1339
Revision 1.05
8 - 25
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
7 Typical Operation Characteristics
Figure 3. DC-DC Efficiency vs. VOUT; RLOAD = 5
Ω
Figure 4. DC-DC Efficiency vs. VOUT; RLOAD = 7.5
Ω
60
65
70
75
80
85
90
95
100
0.6
1
1.4
1.8
2.2 2.6
3
3.4 3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Bypass Mode
60
65
70
75
80
85
90
95
100
0.6
1
1.4
1.8
2.2 2.6
3
3.4 3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Bypass Mode
Figure 5. DC-DC Efficiency vs. VOUT; RLOAD = 10
Ω
Figure 6. DC-DC REFIN vs. VOUT; RLOAD = 5
Ω
60
65
70
75
80
85
90
95
100
0.6
1
1.4
1.8
2.2 2.6
3
3.4 3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Bypass Mode
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0.6
1
1.4
1.8 2.2
2.6
3
3.4 3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Figure 7. DC-DC REFIN vs. VOUT; RLOAD = 7.5
Ω
Figure 8. DC-DC REFIN vs. VOUT; RLOAD = 10
Ω
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0.6
1
1.4
1.8
2.2
2.6
3
3.4
3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0.6
1
1.4
1.8
2.2 2.6
3
3.4
3.8
Output Voltage (V)
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V


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