LT3081_15 datasheet(6/32 Pages) LINER

Part #	LT3081

Description	1.5A Single Resistor Rugged Linear Regulator with Monitors

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT3081

6

3081fc

For more information www.linear.com/LT3081

TO-220 Package Maximum Power

Dissipation

Programmable Current Limit

TEMP Pin Current

IMON Pin Current

Dropout Voltage

Internal Current Limit

TEMPERATURE (°C)

–50

1.3

1.4

1.5

25

75

150

3081 G10

1.2

1.1

1.0

–25

0

50

100

ILOAD = 1.5A

ILOAD = 5mA

125

TEMPERATURE (°C)

–50

0

0.5

1.0

1.5

2.0

0

50

100

150

3081 G11

2.5

3.0

–25

25

75

125

VIN = 7V

VOUT = 0V

INPUT-TO-OUTPUT DIFFERENTIAL VOLTAGE (V)

0

0.4

0.8

1.2

6

12

18

24

3081 G12

30

1.6

2.0

0.2

0.6

1.0

1.4

1.8

36

TO-220 AND

DD-PAK

TSSOP

AND DFN

CASE TEMPERATURE (°C)

50

10

20

150

3081 G13

0

70

90

110

60

80

100

120 130 140

30

5

15

25

VIN – VOUT = 20V

LIMITED BY FOLDBACK

CURRENT LIMIT

VIN – VOUT = 10V

VIN – VOUT = 5V

θJC = 3°C/W

RILIM (k)

0

0.5

1.0

1.5

2.0

1

2

3

4

3081 G14

5

6

TJ = 25°C

VIN = 7V

VOUT = 0V

OUTPUT CURRENT (A)

0

0.2

0.4

0.6

0.95

1.00

1.05

0.5

1

1.5

2

3081 G15

RILIM

1.5k

RILIM

3.01k

RILIM

4.53k

RSET = 20k

TEMPERATURE (°C)

–50

80

120

150

3081 G16

40

0

50

100

–25

25

75

125

160

60

100

20

140

LOAD CURRENT (A)

0

250

300

350

1.2

3081 G17

200

150

0.3

0.6

0.9

1.5

100

50

0

TEMPERATURE (°C)

–50

0.8

1.2

150

3081 G39

0.4

0

50

100

–25

25

75

125

1.6

0.6

1.0

0.2

1.4

RILIM = 4.53k

RILIM = 3.01k

RILIM = 1.50k

VIN = 7V

VOUT = 0V

Typical perForMance characTerisTics T

J = 25°C unless otherwise specified.

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LT3081 Datasheet(PDF) 6 Page - Linear Technology

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