Datasheet > CAT3644

CAT3644

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
CATALYST		驱动器
页数	文件大小	规格书
14页	294K
描述
4-Channel Ultra High Efficiency Quad-Mode TM LED Driver

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CAT3644 数据手册

CAT3644

TYPICAL PERFORMANCE CHARACTERISTICS

V_IN= 3.6V, I_OUT= 80mA (4 LEDs at 20mA), C_IN= C_OUT= C₁= C₂= 1μF, T_AMB= 25°C unless otherwise specified.

Switching Frequency vs. Temperature

Output Resistance vs. Input Voltage

1.3

1.2

1.5x Mode

1.1

1.0

1.33x

1.5x

0.9

1.33x, 2x Mode

0.8

0.7

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

INPUT VOLTAGE [V]

-40

120

TEMPERATURE [°C]

Power Up in 1x Mode

Power Up in 1.33x Mode

Power Up in 1.5x Mode

Power Up in 2x Mode

Characteristics subject to change without notice

Doc. No. 5023, Rev. B

1 2 3 456 7 8...14

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