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LP3997 Datasheet(PDF) 6 Page - Texas Instruments

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Part # LP3997
Description  Micropower 250-mA CMOS LDO Regulator With Error Flag and Power-On-Reset
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP3997 Datasheet(HTML) 6 Page - Texas Instruments

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0
50
100
150
200
250
LOAD CURRENT (mA)
0
20
40
60
80
100
120
140
160
180
200
TA = 125
oC
TA = -40
oC
TA = 25
oC
3.5
4
4.5
5
5.5
6
VIN
20
30
40
50
60
70
80
90
100
110
120
TA = 85
oC
TA = -40
oC
TA = 25
oC
3.5
4
4.5
5
5.5
6
VIN
20
30
40
50
60
70
80
90
100
110
120
TA = 85
oC
TA = -40
oC
TA = 25
oC
3.5
4
4.5
5
5.5
6
VIN
20
30
40
50
60
70
80
90
100
110
120
TA = 85
oC
TA = -40
oC
TA = 25
oC
0
50
100
150
200
250
LOAD CURRENT (mA)
0
10
20
30
40
50
60
70
80
90
100
TA = 125
oC
TA = -40
oC
TA = 25
oC
-50
-25
0
25
50
75
100
125
TEMPERATURE (
oC)
-3.00
-2.00
-1.00
0.00
1.00
2.00
3.00
LP3997
SNVS272B – MAY 2004 – REVISED MAY 2013
www.ti.com
Typical Performance Characteristics.
Unless otherwise noted, SD = 950mV, VIN = VOUT + 1.0V, CIN = 2.2 µF, IOUT = 1 mA, COUT = 2.2 µF and CBYP = 0.1 µF.
Typical values and limits appearing in normal type apply for TJ = 27°C. Limits appearing in boldface type apply over the full
temperature range for operation,
−40 to +125°C.
Output Voltage Change vs Temperature
Ground Current vs Load Current
Ground Current vs VIN. ILOAD = 0mA
Ground Current vs VIN. ILOAD = 1mA
Ground Current vs VIN. ILOAD = 250mA
Dropout Voltage vs Load Current
6
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Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LP3997


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