CAT4134_08 datasheet(4/13 Pages) CATALYST

Part #	CAT4134

Description	500mA Dual Channel Movie/Flash LED Driver

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	CATALYST [Catalyst Semiconductor]

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

Logo

4 / 13 page

CAT4134

Doc. No. MD-5021 Rev. B

Characteristics subject to change without notice.

TYPICAL CHARACTERISTICS

VIN = 3.6V, FLASH = VIN, CIN = 4.7µF, COUT = 10µF, L = 22µH with 2 LEDs at 100mA, TAMB = 25ºC, unless

otherwise specified.

LED Current Regulation (100mA load)

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

2.53.0

3.54.04.5

INPUT VOLTAGE [V]

1 LED

2 LEDs

LED Current Regulation (200mA load, Flash)

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE [V]

2 LEDs

Current Gain vs. RFLASH

1600

1650

1700

1750

1800

1850

1900

100

150

200

Rflash [kohm]

2 LEDs

VIN= 3.6V

LED Current Regulation (100mA load, Flash)

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE [V]

2 LEDs at 100mA

Efficiency vs. Output Current (Flash mode)

100

150

200

250

TOTAL LED CURRENT [mA]

VIN = 3.6V

2 LEDs

Efficiency vs. Input Voltage (Flash mode)

2.5

3.0

3.5

4.0

4.5

5.0

INPUT VOLTAGE [V]

2 LEDs at 100mA

CAT4134 Datasheet(PDF) 4 Page - Catalyst Semiconductor

CAT4134 Datasheet(HTML) 4 Page - Catalyst Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13

Datasheet Download

Link URL