LT3463 datasheet(4/24 Pages) LINER

Part #	LT3463

Description	20mA LED Driver and OLED Driver with Integrated Schottky in 3mm x 2mm DFN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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4 / 24 page

LT3498

4

3498f

TEMPERATURE (

°C)

–50

–25

300

350

500

0

50

75

3498 G07

450

400

25

100

125

VIN (V)

0

25

26

27

28

29

2

46

8

3498 G08

10

12

T = –50

°C

T = 150

°C

T = 25

°C

VIN (V)

0

3

6

9

12

15

2

46

8

1635 G07

10

12

T = –50

°C

T = 125

°C

T = 25

°C

SWITCH CURRENT (mA)

0

50

150

200

250

500

350

100

200

250

100

400

450

300

50

150

300 350

400

3498 G02

T = –50

°C

T = 125

°C

T = 25

°C

SCHOTTKY FORWARD DROP (mV)

0

150

200

250

600

1000

100

50

0

200

400

800

300

350

400

3498 G03

T = –50

°C

T = 125

°C

T = 25

°C

VCTRL1 (mV)

0

40

80

120

160

200

240

500

1000

1500

2000

3498 G04

T = 25

°C

T = –50

°C

T = 125

°C

TEMPERATURE (

°C)

–50

–25

186

194

206

0

50

75

3498 G05

190

202

198

25

100

125

T = –50

°C

CAP1 VOLTAGE (V)

0

198

202

206

20

194

190

186

5

10

15

25

3498 G06

T = 125

°C

T = 25

°C

TYPICAL PERFORMANCE CHARACTERISTICS

Shutdown Current

(VCTRL1 = VCTRL2 = 0V)

LED Switch Saturation

Voltage (VCESAT1)

LED Schottky Forward

Voltage Drop

Sense Voltage (VCAP1 – VLED1)

vs VCTRL1

Sense Voltage (VCAP1 – VLED1)

vs Temperature

Sense Voltage (VCAP1 – VLED1)

vs VCAP1

LED Current Limit

vs Temperature

Open Circuit Output

Clamp Voltage

Input Current in Output

Open Circuit

TA = 25°C, unless otherwise speciﬁed.

VIN (V)

2

0

1

2

3

4

5

6

468

10

12

3498 G09

T = –50

°C

T = 150

°C

T = 25

°C

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