LT3751EUFD-TR datasheet(6/28 Pages) LINER

Part #	LT3751EUFD-TR

Description	Capacitor Charger Controller with Regulation

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT3751

6

3751f

TYPICAL PERFORMANCE CHARACTERISTICS

Current Comparator Trip Voltage

(Charge Mode) vs Temperature

Current Comparator Minimum

Trip Voltage (Regulation Mode)

vs Temperature

FB Pin Regulation Mode

Threshold vs Temperature

FB Pin Regulation Mode

Hysteresis vs Temperature

FB Pin Overvoltage Mode

Threshold Voltage vs Temperature

FB Pin Overvoltage Mode

Hysteresis vs Temperature

–40

109.0

108.5

107.5

108.0

107.0

40

60

0

80

100

3751 G10

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

VTH = VCSP – VCSN

–40

13.0

12.4

12.6

12.8

12.2

12.0

11.4

11.6

11.2

11.8

11.0

40

60

0

80

100

3751 G11

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

VTH = VCSP – VCSN

FB = 1.3V

–40

1.168

1.164

1.160

1.156

1.152

40

60

0

80

100

3751 G12

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

–40

60

58

56

54

52

50

40

60

0

80

100

3751 G13

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

–40

1.356

1.354

1.352

1.350

1.348

1.346

1.344

40

60

0

80

100

3751 G14

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

–40

61.0

60.6

60.2

59.8

59.4

59.0

40

60

0

80

100

3751 G15

120

20

TEMPERATURE (°C)

–20

VCC = 5V

VCC = 12V

VCC = 24V

CLAMP Pin Threshold

vs Temperature

HVGATE Pin Clamp Voltage

vs Temperature

–40

1.9

1.8

1.7

1.6

1.5

1.4

40

080

3751 G16

120

TEMPERATURE (°C)

VCC = 12V

VCC = 24V

–40

11.0

10.9

10.8

10.7

10.5

10.6

10.4

40

60

0

80

100

3751 G17

120

20

TEMPERATURE (°C)

–20

VCC = 24V

CLAMP = 0V

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LT3751EUFD-TR Datasheet(PDF) 6 Page - Linear Technology

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