AS1349 Austin Semiconductor, AS1349 Datasheet - Page 7

• Manufacturer Part Number: AS1349
• Description: (AS1346 - AS1349) Dual Step Down Converter
• Manufacturer: Austin Semiconductor

AS1346, AS1347, AS1348, AS1349
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 11. AS1346 Line Regulation, V
Figure 13. AS1346 V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1346
Figure 9. AS1346 Load Regulation; V
3.35
3.25
3.15
3.37
3.35
3.33
3.31
3.29
3.27
3.25
3.23
3.38
3.36
3.34
3.32
3.28
3.26
3.24
3.22
3.4
3.3
3.2
3.1
3.4
3.3
3.2
-45 -30 -15
2.7
0
I
V
OUT
OUT
3.1
= 1A
200
1 = 3.3V
Vin=4.5V
Vin = 5.5
3.5
Output Current (mA)
OUT
400
Temperature (°C)
LDO mode
Input Voltage (V)
0
vs. Temperature; V
3.9
15
600
30
4.3
800
45
IN
OUT
4.7
= 4.0V,
1 = 3.3V
60
1000
IN
5.1
= 5.5V,
75
1200
90
5.5
Revision 1.01
Figure 14. AS1346 V
Figure 10. AS1346 Load Regulation; V
Figure 12. AS1346 Line Regulation, V
1.84
1.83
1.82
1.81
1.79
1.78
1.77
1.76
1.84
1.83
1.82
1.81
1.79
1.78
1.77
1.76
1.88
1.86
1.84
1.82
1.78
1.76
1.74
1.72
1.8
1.8
1.9
1.8
1.7
-45 -30 -15
2.7
0
V
I
OUT
OUT
3.1
2 = 1.8V
= 500mA
100
3.5
OUT
Output Current (mA)
Temperature (°C)
Input Voltage (V)
0
200
vs. Temperature; V
3.9
15
30
4.3
300
45
OUT
IN
4.7
= 4.0V,
2 = 1.8V
60
400
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IN
Vin=4.5V
5.1
= 5.5V,
75
500
5.5
90
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