AS1334 austriamicrosystems AG, AS1334 Datasheet - Page 7

• Manufacturer Part Number: AS1334
• Description: 650mA Ultra low Ripple Step Down DC/DC Converter
• Manufacturer: austriamicrosystems AG

AS1334
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
Figure 9. Switch Peak Current Limit vs. Temperature;
Figure 11. Startup; V
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Figure 7. Output Voltage vs. Temperature
1.15
1.05
3.06
3.04
3.02
2.98
2.96
2.94
1.2
1.1
3
1
-40
-40
closed loop
I
OUT
<1mA, R
-15
-15
IN
Temperature (°C)
Temperature (°C)
= 3.6V, V
LOAD
50µs/Div
10
10
=3.3kΩ
OUT
35
35
= 3.0V,
Iout=50mA
Iout=300mA
Iout=650mA
60
60
Vi n=2.7V
Vi n=3.6V
Vi n=5.5V
85
85
Revision 1.04
Figure 12. Startup; V
Figure 8. Efficiency vs. Output Current
Figure 10. Load Transient Response; V
100
95
90
85
80
75
70
0
V
I
OUT
IN
100
= 4.2V
<1mA, R
200
Output Current (mA)
IN
= 4.2V, V
50µs/Div
10µs/Div
LOAD
300
=3.3kΩ
400
OUT
= 3.0V,
500
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OUT
Vi n=3.25V
Vi n=3.6V
Vi n=3.9V
Vi n=4.2V
Vi n=4.5V
Vi n=5.5V
= 3.0V,
600
700
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