Datasheet > LT3598_1

LT3598_1

更新时间： 2022-12-28 23:31:38

品牌	Logo	应用领域
凌特 - Linear		驱动器
页数	文件大小	规格书
24页	396K
描述
6-String 30mA LED Driver with 1.5% Current Matching

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数据手册

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LT3598_1 数据手册

LT3598

TYPICAL PERFORMANCE CHARACTERISTICS

LED Current vs PWM Duty Cycle

LED Current vs Temperature

LED Current vs CTRL Voltage

100

20.3

20.2

20.1

20.0

19.9

19.8

19.7

0.1

0.01

0.001

75 100 125

–50 –25

0.01

0.1

100

0.2

0.4

0.6

0.8

1.0

1.2

PWM DUTY CYCLE (%)

TEMPERATURE (°C)

CTRL VOLTAGE (V)

3598 G12

3598 G11

3598 G10

LED Current Matching

vs Temperature

LED Current Waveforms

(0.1% PWM)

OPENLED Sink Current

3.0

1.5

2.5

2.0

1.5

1.0

0.5

1.0

0.5

PWM

5V/DIV

20V/DIV

0.0

1A/DIV

–0.5

–1.0

–1.5

LED1

50mA/DIV

3598 G15

20μs/DIV

75 100 125

–50 –25

TEMPERATURE (°C)

3598 G14

3598 G13

LED Current Waveforms

(0.1% PWM)

LED Current Waveforms

(90% PWM)

LED Current Waveforms

(90% PWM)

PWM

5V/DIV

PWM

5V/DIV

PWM

5V/DIV

20V/DIV

1A/DIV

LED1

50mA/DIV

LED1

50mA/DIV

LED1

50mA/DIV

3598 G16

3598 G18

3598 G17

2μs/DIV

5μs/DIV

100μs/DIV

3598fa

1...3 4 567 8 9...24

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