CAT3604 datasheet(7/12 Pages) CATALYST

Part #	CAT3604

Description	4-Channel Regulated Charge Pump White LED Driver

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	CATALYST [Catalyst Semiconductor]

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

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7 / 12 page

CAT3604

Doc. No. MD-5008 Rev. J

Characteristics subject to change without notice

TYPICAL CHARACTERISTICS

VIN = 3.6V, EN = VIN, CIN = COUT = 1µF, RSET = 24kΩ, TAMB = 25ºC, unless otherwise specified.

Ground Current vs. Input Voltage (1.5x mode)

0.0

1.0

2.0

3.0

4.0

5.0

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE [V]

VIN = 3.6V

all LEDs open

Supply Current vs. Input Voltage

100

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE [V]

4LEDs at 15mA

1x mode

1.5x mode

Oscillator Frequency vs. Input Voltage

0.90

0.95

1.00

1.05

1.10

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE [V]

4LEDs at 20mA

Oscillator Frequency vs. Temperature

0.90

0.95

1.00

1.05

1.10

-40 -20

2040 6080 100

TEMPERATURE [ºC]

VIN = 3.6V

4LEDs at 15mA

Output Resistance vs. Input Voltage (1x mode)

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE [V]

100mA load

Output Resistance vs. Input Voltage (1.5x mode)

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE [V]

25mA load

100mA load

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