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LP2985-25 Datasheet(PDF) 15 Page - Texas Instruments

Part No. LP2985-25
Description  150-mA Low-noise Low-dropout Regulator With Shutdown
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LP2985-25 Datasheet(HTML) 15 Page - Texas Instruments

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0
2
4
6
8
10
−4
−3
−2
−1
0
1
2
3
4
VO
VON/OFF
100 ms/div→
VO = 3.3 V
Cbyp = 0
IO = 150 mA
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VO = 3.3 V
Cbyp = 10 nF
IO = 1 mA
VIN
VO
100 ms/div→
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VO = 3.3 V
Cbyp = 10 nF
IO = 150 mA
VI
VO
20 ms/div→
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VO = 3.3 V
Cbyp = 0 nF
IO = 1 mA
VI
VO
20 ms/div→
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
−250
−200
−150
−100
−50
0
50
100
150
200
IL
VO
VO = 3.3 V
Cbyp = 0 nF
DIL = 150 mA
20 ms/div→
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VI
VO
20 ms/div→
VO = 3.3 V
Cbyp = 0 nF
IO = 150 mA
LP2985
www.ti.com
SLVS522O – JULY 2004 – REVISED JANUARY 2015
Application Information (continued)
Figure 24. Line Transient Response
Figure 23. Load Transient Response
Figure 25. Line Transient Response
Figure 26. Line Transient Response
Figure 27. Line Transient Response
Figure 28. Turn-on Time
Copyright © 2004–2015, Texas Instruments Incorporated
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