LT3085 datasheet(4/28 Pages) LINEAR

Part #	LT3085

Description	800mA Single Resistor Rugged Linear Regulator with Monitors

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Manufacturer	LINEAR [Linear Integrated Systems]

Direct Link	http://www.linearsystems.com

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4 / 28 page

LT3089

4

3089f

For more information www.linear.com/LT3089

TYPICAL PERFORMANCE CHARACTERISTICS

Offset Voltage

Offset Voltage (VOUT – VSET)

Load Regulation

Minimum Load Current

Dropout Voltage

SET Pin Current

TJ = 25°C unless otherwise specified.

Offset Voltage (VOUT – VSET)

ILOAD = 3mA

TEMPERATURE (°C)

–75 –50 –25 0 25 50 75 100 125 150 175

49.5

49.6

49.7

49.8

49.9

50.0

50.1

50.2

50.3

50.4

50.5

3089 G01

ILOAD = 3mA

TEMPERATURE (°C)

–75 –50 –25 0 25 50 75 100 125 150 175

–2.0

–1.5

–1.0

–0.5

0

0.5

1.0

1.5

2.0

OUT

SET

3089 G03

ILOAD = 3mA

INPUT–TO–OUTPUT DIFFERENTIAL (V)

0

6

12

18

24

30

36

–1.0

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

0.8

1.0

OUT

SET

3089 G05

TJ = 25°C

TJ = 125°C

LOAD CURRENT (A)

0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

–1.6

–1.2

–0.8

–0.4

0.0

0.4

OUT

SET

3089 G06

∆ILOAD = 3mA to 800mA

TEMPERATURE (°C)

–75 –50 –25 0 25 50 75 100 125 150 175

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0

–150

–125

–100

–75

–50

–25

0

3089 G07

VIN – VOUT = 36V

VIN – VOUT = 2V

TEMPERATURE (°C)

–75 –50 –25 0 25 50 75 100 125 150 175

0

0.25

0.50

0.75

1.00

1.25

1.50

Minimum Load Current

3089 G08

TJ = –50°C

TJ = 25°C

TJ = 125°C

LOAD CURRENT (A)

0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

3089 G09

N = 1297

SET PIN CURRENT DISTRIBUTION (µA)

49

49.5

50

50.5

51

SET Pin Current

3089 G02

N = 1297

VOS DISTRIBUTION (mV)

–2

–1

0

1

2

3089 G04

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