LT3598EUFPBF datasheet(6/24 Pages) LINER

Part #	LT3598EUFPBF

Description	6-String 30mA LED Driver with 1.5% Current Matching

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT3598

6

3598fa

TYPICAL PERFORMANCE CHARACTERISTICS

LED Current vs PWM Duty Cycle

LED Current vs Temperature

LED Current vs CTRL Voltage

LED Current Matching

vs Temperature

OPENLED Sink Current

LED Current Waveforms

(0.1% PWM)

LED Current Waveforms

(90% PWM)

LED Current Waveforms

(0.1% PWM)

LED Current Waveforms

(90% PWM)

PWM DUTY CYCLE (%)

0.01

0.001

1

100

110

0.1

100

3598 G10

0.1

0.01

10

TEMPERATURE (°C)

–50

20.1

20.2

20.0

19.9

050

–25

25

75

100

125

19.8

19.7

20.3

3598 G11

CTRL VOLTAGE (V)

0

15

20

25

1.0

10

5

0

0.2

0.4

0.6

0.8

1.2

3598 G12

TEMPERATURE (°C)

–50

0.5

1.0

0.0

–0.5

050

–25

25

75

100

125

–1.0

–1.5

1.5

3598 G13

TEMPERATURE (°C)

–50

2.0

2.5

1.5

1.0

050

–25

25

75

100

125

0.5

0

3.0

3598 G14

20μs/DIV

PWM

5V/DIV

SW

20V/DIV

ILED1

50mA/DIV

IL

1A/DIV

3598 G15

2μs/DIV

PWM

5V/DIV

SW

20V/DIV

ILED1

50mA/DIV

IL

1A/DIV

3598 G16

100μs/DIV

PWM

5V/DIV

SW

20V/DIV

ILED1

50mA/DIV

IL

1A/DIV

3598 G17

5μs/DIV

PWM

5V/DIV

SW

20V/DIV

ILED1

50mA/DIV

IL

1A/DIV

3598 G18

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LT3598EUFPBF Datasheet(PDF) 6 Page - Linear Technology

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