LT3755-1 datasheet(5/26 Pages) LINEAR_DIMENSIONS

Part #	LT3755-1

Description	40VIN, 75VOUT LED Controllers

Download	26 Pages

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Manufacturer	LINEAR_DIMENSIONS [Linear Dimensions Semiconductor]

Direct Link	http://www.lineardimensions.com

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5 / 26 page

LT3755/LT3755-1/LT3755-2

37551fd

Typical perForMance characTerisTics

FB Regulation Voltage

vs Temperature

VREF Voltage vs Temperature

VREF Voltage vs VIN

Switching Frequency vs RT

Switching Frequency

vs Temperature

SHDN/UVLO Hysteresis Current

vs Temperature

V(ISP – ISN) Threshold vs VCTRL

V(ISP – ISN) Threshold vs VISP

V(ISP – ISN) Threshold

vs Temperature

RT (k)

37551 G07

10000

1000

100

10

100

VCTRL (V)

0

–20

20

60

100

0.5

1

1.5

120

0

40

80

2

37551 G01

ISP VOLTAGE (V)

0

97

99

101

103

98

100

102

37551 G02

VCTRL = 2V

20

40

80

60

97

99

101

103

98

100

102

37551 G03

TEMPERATURE (°C)

–50

0

50

75

–25

25

100

150

125

VCTRL = 2V

37551 G04

TEMPERATURE (°C)

–50

0

50

75

–25

25

100

150

125

1.20

1.22

1.24

1.26

1.28

1.21

1.23

1.25

1.27

37551 G05

TEMPERATURE (°C)

–50

0

50

75

–25

25

100

150

125

1.96

1.98

2.00

2.02

2.04

1.97

1.99

2.01

2.03

VIN (V)

0

1.96

1.98

2.00

2.02

10

20

40

30

2.04

1.97

1.99

2.01

2.03

37551 G06

37551 G08

TEMPERATURE (°C)

–50

0

50

75

–25

25

100

150

125

300

350

400

450

500

RT = 26.7k

37551 G09

TEMPERATURE (°C)

–50

0

50

75

–25

25

100

150

125

1.6

2.0

2.4

1.8

2.2

TA = 25°C, unless otherwise noted.

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LT3755-1 Datasheet(PDF) 5 Page - Linear Dimensions Semiconductor

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