AS1341
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
7 Typical Operating Characteristics
V
OUT
= 5V, T
AMB
= +25ºC (unless otherwise specified).
Figure 3. Efficiency vs. I
OUT
100
95
90
ILIMIT = high
V
IN
= 6V
V
IN
= 12V
Figure 4. Efficiency vs. I
OUT
100
95
90
ILIMIT = low
V
IN
= 6V
V
IN
= 12V
V
IN
= 20V
Efficiency (%)
.
85
80
75
70
65
60
55
50
0.1
1
10
100
1000
V
IN
= 20V
Efficiency (%)
.
85
80
75
70
65
60
55
50
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Figure 5. Efficiency vs. I
OUT
; V
OUT
= 3.3V
100
95
90
V
IN
= 4.5V
ILIMIT = high
Figure 6. Efficiency vs. I
OUT
; V
OUT
= 3.3V
100
95
90
ILIMIT = low
V
IN
= 4.5V
V
IN
= 12V
V
IN
= 20V
Efficiency (%)
.
Efficiency (%)
.
85
80
75
70
65
60
55
50
0.1
1
10
100
1000
V
IN
= 12V
V
IN
= 20V
85
80
75
70
65
60
55
50
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Figure 7. Efficiency vs. I
OUT
; V
IN
= 12V
95
90
ILIMIT = high
Figure 8. Efficiency vs. I
OUT
; V
IN
= 12V
95
90
ILIMIT = low
Efficiency (%)
.
85
80
75
70
65
0.1
1
10
100
1000
22uH
10uH
4.1uH
Efficiency (%)
.
85
80
75
70
65
0.1
1
10
100
1000
10uH
39uH
22uH
Output Current (mA)
Output Current (mA)
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Revision 1.09
5 - 18
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