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LP38842 Datasheet(PDF) 5 Page - Texas Instruments

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Part # LP38842
Description  Ultra Low Dropout Linear Regulators Stable with Ceramic Output Capacitors
PDF  17 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP38842 Datasheet(HTML) 5 Page - Texas Instruments

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1000
10000
_
100000
_
1000000
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FREQUENCY (Hz)
0
10
_
20
_
30
_
40
_
50
_
60
_
70
_
80
_
90
_
100
COUT = 4.7 PF Tantalum
ILOAD = 10 mA
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
TEMPERATURE (
oC)
-40
0
40
120
80
-20
20
60
140
100
40
120
160
200
0
0.5
1.0
1.5
LOAD CURRENT (A)
0
80
VBIAS = 5V
25
oC
-40
oC
125
oC
50 Ps/DIV
1
0
2
ILOAD
VOUT
COUT = 4.7 PF Tantalum
VOUT = 0.8V
0
-50
50
20 Ps/DIV
5
4
6
VBIAS
VOUT
IL = 10 mA
VOUT = 1.2V
VIN = 1.7V
-10
0
10
50 Ps/DIV
1
0
2
ILOAD
VOUT
VOUT = 0.8V
COUT = 22 PF Cer
0
-50
50
LP38842
www.ti.com
SNVS291C – DECEMBER 2004 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: TJ = 25°C, CIN = 10 µF CER, COUT = 22 µF CER, CBIAS = 1 µF CER, S/D Pin is tied to VBIAS, VOUT
= 1.2V, IL = 10mA, VBIAS = 5V, VIN = VOUT + 1V.
VBIAS Transient Response
Load Transient Response
Figure 3.
Figure 4.
Load Transient Response
Dropout Voltage Over Temperature
Figure 5.
Figure 6.
VOUT
vs
Temperature
VBIAS PSRR
Figure 7.
Figure 8.
Copyright © 2004–2013, Texas Instruments Incorporated
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