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LP2985 Datasheet(PDF) 9 Page - Texas Instruments

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Part # LP2985
Description  150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
PDF  25 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2985 Datasheet(HTML) 9 Page - Texas Instruments

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0
10
20
30
40
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60
70
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
0
10
20
30
40
50
60
70
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
50 mA
150 mA
1 mA
0.001
0.01
0.1
1
10
10
100
1k
10k
100k
1M
Frequency − Hz
Ci = 1 µF
Co = 4.7 µF
VO = 3.3 V
10 mA
100 mA
1 mA
0.001
0.01
0.1
1
10
10
100
1k
10k
100k
1M
Frequency − Hz
Ci = 1 µF
Co = 10 µF
VO = 3.3 V
10 mA
100 mA
1 mA
LP2985
150-mA LOW-NOISE LOW-DROPOUT REGULATOR
WITH SHUTDOWN
SLVS522K – JULY 2004 – REVISED MARCH 2008
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.
OUTPUT IMPEDANCE
OUTPUT IMPEDANCE
vs
vs
FREQUENCY
FREQUENCY
Figure 11.
Figure 12.
Copyright © 2004–2008, Texas Instruments Incorporated
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