CAT4004_08 datasheet(5/11 Pages) CATALYST

No. de pieza	CAT4004

Descripción Electrónicos	4-Channel Constant Current LED Driver with EZDim?

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Fabricante Electrónico	CATALYST [Catalyst Semiconductor]

Página de inicio	http://www.catalyst-semiconductor.com

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CAT4004

5

Doc. No. MD-5024 Rev. B

Characteristics subject to change without notice

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 4V, VF = 3.3V, IOUT = 80mA (4 LEDs at 20mA), CIN = 1μF, TAMB = 25°C unless otherwise specified.

RSET Pin Voltage vs. Input Voltage

0.2

0.3

0.4

0.5

0.6

0.7

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

INPUT VOLTAGE [V]

RSET Pin Voltage vs. Temperature

0.2

0.3

0.4

0.5

0.6

0.7

-40040

80

120

TEMPERATURE [°C]

LED Current vs. LED Pin Voltage

0

10

20

30

40

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

LED PIN VOLTAGE [V]

Dropout Characteristics

0

10

20

30

40

0

50

100 150 200 250 300

LED PIN VOLTAGE [mV]

Efficiency vs. Input Voltage

50

60

70

80

90

100

2.0

2.5

3.0

3.5

4.0

4.5

5.0

INPUT VOLTAGE [V]

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