as1339 austriamicrosystems, as1339 Datasheet - Page 9

• Manufacturer Part Number: as1339
• Description: 650ma Rf Step-down Dc-dc For Pa, With Two Ldos
• Manufacturer: austriamicrosystems

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 11. DC-DC Efficiency vs. I
Figure 13. DC-DC Load Regulation, V
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Figure 9. DC-DC Efficiency vs. I
100
100
0.82
0.81
0.79
0.78
0.77
0.76
90
80
70
60
50
40
90
80
70
60
50
40
0.8
1
1
1
V
OUT
= 0.8V
Output Current (mA)
Output Current (mA)
Output Current (mA)
10
10
10
OUT
OUT
; V
100
100
100
OUT
; V
OUT
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
OUT
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
vs. I
= 0.8V
= 1.8V
OUT
;
1000
1000
1000
Revision 1.02
Figure 14. DC-DC Load Regulation, V
Figure 10. DC-DC Efficiency vs. I
Figure 12. DC-DC Efficiency vs. I
100
1.22
1.21
1.19
1.18
1.17
1.16
100
90
80
70
60
50
40
1.2
90
80
70
60
50
40
1
1
1
V
OUT
= 1.2V
Output Current (mA)
Vin = 2.7V
Vin = 3.3V
Vin = 3.9V
Output Current (mA)
Output Current (mA)
10
10
10
OUT
OUT
100
100
100
OUT
; V
; V
Vin = 3.0V
Vin = 3.6V
OUT
OUT
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
vs. I
= 1.2V
= 2.2V
OUT
;
1000
1000
1000
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