AS1341 austriamicrosystems AG, AS1341 Datasheet - Page 5

• Manufacturer Part Number: AS1341
• Description: Step-Down Converter
• Manufacturer: austriamicrosystems AG

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AS1341
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
7 Typical Operating Characteristics
Figure 5. Efficiency vs. I
Figure 7. Efficiency vs. I
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Figure 3. Efficiency vs. I
95
90
85
80
75
70
65
100
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
0.1
0.1
0.1
ILIMIT = high
ILIMIT = high
V
ILIMIT = high
IN
= 12V
1
Output Current (mA)
1
1
Output Current (mA)
Output Current (mA)
OUT
OUT
OUT
10
10
10
; V
; V
; V
V
OUT
OUT
V
OUT
IN
V
IN
IN
= 4.5V
= 6V
V
= 12V
= 5V,
= 3.3V,
= 5V, V
V
100
IN
100
100
IN
= 20V
= 20V
Circuit 1
IN
Circuit 1
22uH
10uH
4.1uH
1000
1000
= 12V
1000
Revision 1.00
Figure 8. Efficiency vs. I
Figure 4. Efficiency vs. I
Figure 6. Efficiency vs. I
100
95
90
85
80
75
70
65
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
0.1
0.1
0.1
ILIMIT = low
ILIMIT = low
ILIMIT = low
1
Output Current (mA)
1
1
Output Current (mA)
Output Current (mA)
OUT
OUT
OUT
10
10
10
V
; V
; V
; V
V
V
IN
V
IN
IN
IN
= 6V
OUT
OUT
OUT
= 4.5V
= 12V
= 12V
V
IN
V
IN
= 3.3V,
= 5V, V
= 5V,
100
= 20V
100
100
= 20V
Circuit 3
IN
Circuit 3
10uH
39uH
22uH
1000
1000
= 12V
1000
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