as1339 austriamicrosystems, as1339 Datasheet - Page 8

• 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
7 Typical Operation Characteristics
Figure 5. DC-DC Efficiency vs. V
Figure 7. DC-DC REFIN vs. V
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Figure 3. DC-DC Efficiency vs. V
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
1
0.6
0.6
0.6
1
1
1
1.4
1.4
1.4
Output Voltage (V)
Output Voltage (V)
Output Voltage (V)
1.8
1.8
1.8
2.2
2.2
2.2
OUT
2.6
OUT
OUT
2.6
2.6
; R
; R
LOAD
; R
Bypass Mode
Bypass Mode
3
3
3
LOAD
LOAD
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
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
= 7.5Ω
3.4
3.4
3.4
= 5Ω
= 10Ω
3.8
3.8
3.8
Revision 1.02
Figure 8. DC-DC REFIN vs. V
Figure 4. DC-DC Efficiency vs. V
Figure 6. DC-DC REFIN vs. V
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1.6
1.4
1.2
0.8
0.6
0.4
0.2
95
90
85
80
75
70
65
60
1
1
0.6
0.6
0.6
1
1
1
1.4
1.4
1.4
Output Voltage (V)
Output Voltage (V)
Output Voltage (V)
1.8
1.8
1.8
2.2
2.2
2.2
OUT
OUT
2.6
OUT
2.6
2.6
; R
; R
LOAD
LOAD
; R
Bypass Mode
3
3
3
LOAD
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
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
= 5Ω
= 10Ω
3.4
3.4
3.4
= 7.5Ω
3.8
3.8
3.8
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