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LP2985A-18DBVR Datasheet(PDF) 9 Page - Texas Instruments

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Part # LP2985A-18DBVR
Description  150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
Download  27 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2985A-18DBVR Datasheet(HTML) 9 Page - Texas Instruments

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1k
10k
100k
1M
Frequency − Hz
50 mA
150 mA
1 mA
VI = 3.7 V
VO = 3.3 V
Co = 10 µF
Cbyp = 0 nF
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10k
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Frequency − Hz
VI = 5 V
VO = 3.3 V
Co = 4.7 µF
Cbyp = 10 nF
50 mA
150 mA
1 mA
0
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20
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80
90
100
10
100
1k
10k
100k
1M
Frequency − Hz
VI = 5 V
VO = 3.3 V
Co = 4.7 µF
Cbyp = 10 nF
10 mA
100 mA
1 mA
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10k
100k
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Frequency − Hz
Ci = 1 µF
Co = 10 µF
VO = 3.3 V
10 mA
100 mA
1 mA
LP2985
www.ti.com .......................................................................................................................................................... SLVS522M – JULY 2004 – REVISED MARCH 2009
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
CIN = 1 µF, COUT = 4.7 µF, VIN = VOUT(NOM) + 1 V, TA = 25°C, ON/OFF pin tied to VIN (unless otherwise specified)
RIPPLE REJECTION
RIPPLE REJECTION
vs
vs
FREQUENCY
FREQUENCY
Figure 9.
Figure 10.
RIPPLE REJECTION
OUTPUT IMPEDANCE
vs
vs
FREQUENCY
FREQUENCY
Figure 11.
Figure 12.
Copyright © 2004–2009, Texas Instruments Incorporated
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