AS1333
Data Sheet - 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 7. Output Voltage vs. Temperature
3.15
3.13
Figure 8. Efficiency vs. Output Current
100
95
Output Voltage (V)
3.11
3.09
3.07
3.05
3.03
-40
Iout=50mA
Iout=300mA
Iout=650mA
Efficiency (%)
90
85
80
75
70
Vi n=3.25V
Vi n=3.6V
Vi n=3.9V
Vi n=4.2V
Vi n=4.5V
Vi n=5.5V
-15
10
35
60
85
0
100
200
300
400
500
600
700
Temperature (°C)
Output Current (mA)
Figure 9. Switch Peak Current Limit vs. Temperature;
closed loop
1.2
Figure 10. Load Transient Response; V
OUT
= 3.09V,
V
IN
= 4.2V
Peak Current Limit (A)
1.15
1.1
I
L
Vi n=3.6V
Vi n=5.5V
1
-40
-15
10
35
60
85
I
OUT
Vi n=2.7V
10µs/Div
Temperature (°C)
Figure 11. Startup; V
IN
= 3.6V, V
OUT
= 3.09V,
I
OUT
<1mA, R
LOAD
=3.3kΩ
Figure 12. Startup; V
IN
= 4.2V, V
OUT
= 3.09V,
I
OUT
<1mA, R
LOAD
=3.3kΩ
5V/Div
2V/Div 500mA/DIV 2V/Div
V
OUT
V
OUT
50µs/Div
50µs/Div
www.austriamicrosystems.com
Revision 1.02
1V/Div
EN
EN
500mA/DIV
I
L
I
L
2V/Div 5V/Div
V
SW
V
SW
100mA 400mA
1.05
200mA/Div
200mV/Div
V
OUT
6 - 16
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