LT3045 datasheet(8/36 Pages) LINER

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LT3045-1

30451fa

For more information www.linear.com/LT3045-1

TYPICAL PERFORMANCE CHARACTERISTICS

EN/UV Pin Current

Negative Enable Pin Current

Minimum Input Voltage

EN/UV Turn-On Threshold

EN/UV Pin Hysteresis

TJ = 25°C, unless otherwise noted.

RISING UVLO

FALLING UVLO

TEMPERATURE (°C)

–75 –50 –25 0

25 50 75 100 125 150

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

30451 G19

VIN = 2V

VIN = 10V

TEMPERATURE (°C)

–75 –50 –25 0

25 50 75 100 125 150

1.18

1.20

1.22

1.24

1.26

1.28

1.30

1.32

30451 G20

VIN = 2V

VIN = 10V

TEMPERATURE (°C)

–75 –50 –25 0

25 50 75 100 125 150

110

125

140

155

170

185

200

30451 G21

VIN = 20V

150°C

125°C

25°C

–55°C

ENABLE PIN VOLTAGE (V)

8 10 12 14 16 18 20

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

30451 G22

VIN = 20V

VIN = 2V

ENABLE PIN VOLTAGE (V)

8 10 12 14 16 18 20

30451 G23

VIN = 2V

150°C

125°C

25°C

–55°C

ENABLE PIN VOLTAGE (V)

–20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

30451 G24

Input Pin Current

Internal Current Limit

VIN = 2V

150°C

125°C

25°C

–55°C

ENABLE PIN VOLTAGE (V)

–20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0

0.1

0.2

0.3

30451 G25

RILIM = 0Ω

VOUT = 0V

VIN = 2.5V

VIN = 12V

TEMPERATURE (°C)

–75 –50 –25 0

25 50 75 100 125 150

100

200

300

400

500

600

700

800

900

1000

30451 G26

VIN = 20V

RILIM = 0Ω

VOUT = 0V

TEMPERATURE (°C)

–75 –50 –25 0

25 50 75 100 125 150

100

200

300

400

500

600

30451 G27

LT3045 Datasheet(PDF) 8 Page - Linear Technology

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