LM2931M ETC [List of Unclassifed Manufacturers], LM2931M Datasheet - Page 4

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LM2931M

Manufacturer Part Number
LM2931M
Description
100mA Low Dropout Voltage Regulator
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet

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TYPICAL CHARACTERISTICS
Bay Linear, Inc
0.6
0.5
0.4
0.3
0.2
0.1
6.0
5.0
4.0
3.0
2.0
1.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
25
20
15
10
3
2
1
0
0
0
-40
0
~ ~
0
MAXIMUM POWER DISSIPATION (SO-
LM2931 5.0
I
2.0
O
AMBIENT TEMPERATURE (ºC)
= 100 mA
JUNCTION TEMPERATURE (ºC)
JUNCTION TEMPERATURE (ºC)
5
LOW VOLTAGE BEHAVIOR
QUIESCENT CURRENT
0
DROPOUT VOLTAGE
INPUT VOLTAGE (V)
3.0
10
40
40
15
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
I
4.0
8)
I
O
O
= 50mA
= 0mA
20
I
I
I
O
O
80
O
80
= 50mA
= 10mA
= 100mA
5.0
25
120
6.0
30
120
~
~
0.01
0.6
0.5
0.4
0.3
0.2
0.1
30
25
20
15
10
22
20
18
16
14
12
10
0.1
8
6
4
2
0
10
5
0
0
1
0
0
0
0 10 20
MAXIMUM POWER DISSIPATION (TO-220)
V
I
LM2931-
MAXIMUM POWER DISSIPATION
O
IN
= 10mA
NO HEAT SINK
AMBIENT TEMPERATURE (ºC)
= 14V
5.0
30
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
QUIESCENT CURRENT
DROPOUT VOLTAGE
INFINITE HEAT SINK
30
10 ºC/W HEAT SINK
30
FREQUENCY (Hz)
40
60
50
50 60
60
90
70 80
120
90
90
150
100
100
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
800
500
400
300
200
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
70
60
50
40
30
20
10
-2
0
6
4
2
0
0
0
-100
0
0
~ ~
0
MAXIMUM POWER DISSIPATION (TO-92)
LM2931CT ADJUSTABLE
OPERATION DURING LOAD DUMP
10
3
AMBIENT TEMPERATURE (ºC)
FROMPC BOARD
0
PEAK OUTPUT CURRENT
0.4" LENGTH
20
REFERENCE VOLTAGE
OUTPUT VOLTAGE (V)
6
INPUT VOLTAGE (V)
T
J
100
= 25ºC
10
30
LM2931
9
TIME (ms)
www.baylinear.com
T
40 50 60
J
T
0.125" LEAD LENGTH
= 85ºC
200
J
12
= -40ºC
FROM PC BOARD
C
R
O
L
= 100µF
15
= 500W
300
20
18
70 80 90
400
21
500
24
30
~ ~

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