LT1963 datasheet(5/28 Pages) LINER

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LT3089

3089f

For more information www.linear.com/LT3089

Programmable Current Limit

TEMP Pin Current

IMON Pin Current

Dropout Voltage

Internal Current Limit

TYPICAL PERFORMANCE CHARACTERISTICS T

J = 25°C unless otherwise specified.

IMON Pin Line Regulation

ILOAD = 3mA

ILOAD = 800mA

TEMPERATURE (°C)

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

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

3089 G10

VIN = 7V

VOUT = 0V

TEMPERATURE (°C)

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

0.25

0.50

0.75

1.00

1.25

1.50

Internal Current Limit

3089 G11

INPUT–TO–OUTPUT DIFFERENTIAL (V)

0.2

0.4

0.6

0.8

1.0

1.2

Internal Current Limit

3089 G12

RILIM = 4.53k

RILIM = 3.01k

RILIM = 1.50k

VIN = 7V

VOUT = 0V

TEMPERATURE (°C)

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

0.2

0.4

0.6

0.8

1.0

Programmable Current Limit

3089 G13

TJ = 25°C

VIN = 7V

VOUT = 0V

RILIM (kΩ)

0.2

0.4

0.6

0.8

1.0

1.2

Programmable Current Limit

3089 G14

RILIM

1.50k

RILIM

3.01k

RSET = 20k

TJ = 25°C

RILIM

4.53k

OUTPUT CURRENT (A)

0.25

0.50

0.75

0.2

0.4

0.95

1.00

1.05

Programmable Current Limit

3089 G15

TEMPERATURE (°C)

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

100

120

140

160

TEMP Pin Current

3089 G16

LOAD CURRENT (A)

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

100

120

140

160

180

200

MON

3089 G17

ILOAD = 100mA

INPUT–TO–OUTPUT DIFFERENTIAL VOLTAGE (V)

IMON Pin Line Regulation

3089 G18

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