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 7. Output Voltage vs. Temperature
3.06
3.04
Figure 8. Efficiency vs. Output Current
100
95
Output Voltage (V)
Efficiency (%)
3.02
3
2.98
2.96
2.94
-40
Iout=50mA
Iout=300mA
Iout=650mA
90
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
Temperature (°C)
Output Current (mA)
Figure 9. Switch Peak Current Limit vs. Temperature; closed loop
1.2
hn
ic a
al m
co s
A
nt G
en
ts
til
V
OUT
I
L
Vi n=2.7V
Vi n=3.6V
Vi n=5.5V
Figure 10. Load Transient Response; V
OUT
= 3.0V, V
IN
= 4.2V
Peak Current Limit (A)
1.15
1.1
I
OUT
1
-40
-15
10
35
60
85
10µs/Div
Temperature (°C)
Figure 11. Startup; V
IN
= 3.6V, V
OUT
= 3.0V, I
OUT
<1mA,
R
LOAD
=3.3kΩ
Figure 12. Startup; V
IN
= 4.2V, V
OUT
= 3.0V, I
OUT
<1mA,
R
LOAD
=3.3kΩ
5V/Div
Te
c
V
OUT
2V/Div
500mA/DIV
V
OUT
2V/Div
50µs/Div
50µs/Div
Revision 1.09
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
lv
400
500
600
700
al
7 - 18
id
85
AMSCO [ AUSTRIAMICROSYSTEMS AG ]
