CAT3644HV3-T2 datasheet(7/14 Pages) CATALYST

Part #	CAT3644HV3-T2

Description	4-Channel Ultra High Efficiency Quad-Mode TM LED Driver

Download	14 Pages

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Manufacturer	CATALYST [Catalyst Semiconductor]

Direct Link	http://www.catalyst-semiconductor.com

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7 / 14 page

CAT3644

7

Doc. No. 5023, Rev. B

Characteristics subject to change without notice

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.6V, IOUT = 80mA (4 LEDs at 20mA), CIN = COUT = C1 = C2 = 1μF, TAMB = 25°C unless otherwise specified.

Foldback Current Limit

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

100

200

300

400

OUTPUT CURRENT [mA]

1x Mode

LED Current vs. LED Pin Voltage

0

10

20

30

40

0

50

100 150 200 250 300

LED PIN VOLTAGE [mV]

Dimming Waveform

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CAT3644HV3-T2 Datasheet(PDF) 7 Page - Catalyst Semiconductor

CAT3644HV3-T2 Datasheet(HTML) 7 Page - Catalyst Semiconductor

Similar Part No. - CAT3644HV3-T2

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