Data Sheet
1.5MHz, 800mA, STEP DOWN DC-DC CONVERTER AUR9703
Nov. 2011 Rev. 1 .0 BCD Semiconductor Manufacturing Limited
9
Typical Performance Characteristics (Continued)
Figure 16. Line Regulation (V
OUT
=1.8±0.03V) Figure 17. Line Regulation (V
OUT
=2.5±0.03V)
Figure 18. Line Regulation (V
OUT
=3.3±0.03V) Figure 19.EN Threshold Voltage vs. Input Voltage
2.5 3.0 3.5 4.0 4.5 5.0 5.5
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
I
OUT
= 0A
I
OUT
= 800mA
Output Voltage (V)
Input Voltage (V)
2.5 3.0 3.5 4.0 4.5 5.0 5.5
2.44
2.46
2.48
2.50
2.52
2.54
2.56
I
OUT
= 0A
I
OUT
= 800mA
Output Voltage (V)
Input Voltage (V)
3.54.04.55.05.5
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
I
OUT
= 0A
I
OUT
= 800mA
Output Voltage (V)
Input Voltage (V)
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
Low Level
High Level
EN Threshold Voltage (V)
Input Voltage (V)
V
OUT
=1.2V
I
OUT
=200mA
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