CAT4237TD datasheet(6/14 Pages) CATALYST

No. de pieza	CAT4237TD

Descripción Electrónicos	High Voltage CMOS Boost White LED Driver

Download	14 Pages

Scroll/Zoom	100%

Fabricante Electrónico	CATALYST [Catalyst Semiconductor]

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

Logo

6 / 14 page

CAT4237

Doc. No. 5013, Rev. A

6

Characteristics subject to change without notice

TYPICAL CHARACTERISTICS

VIN = 3.6V, CIN = 4.7μF, COUT = 0.22µF, L = 33µH with 8 LEDs at 20mA, TAMB = 25ºC, unless otherwise specified.

LED Current vs. Input Voltage (8 LEDS)

0

5

10

15

20

25

30

35

2.5

3.0

3.5

4.0

4.5

5.0

INPUT VOLTAGE [V]

RFB = 10Ω

RFB = 15Ω

RFB = 20Ω

LED Current Regulation (20mA)

-1.0%

-0.5%

0.0%

0.5%

1.0%

3.0

3.3

3.6

3.9

4.2

4.5

4.8

INPUT VOLTAGE [V]

8 LED Efficiency vs. Load Current

65

70

75

80

85

90

5

1015

2025

30

LED CURRENT [mA]

VIN = 3.6V

VIN = 4.2V

8 LEDs

VOUT ~ 27V at 20mA

L = 33uH

8 LED Efficiency vs. Input Voltage

65

70

75

80

85

90

3.0

3.5

4.0

4.5

5.0

INPUT VOLTAGE [V]

15mA

20mA

8 LEDs

VOUT ~ 27V at 20mA

L = 33uH

7 LED Efficiency vs. Load Current

65

70

75

80

85

90

5

1015

2025

30

LED CURRENT [mA]

VIN = 3.6V

VIN = 4.2V

7 LEDs

VOUT ~ 23V at 20mA

L = 33uH

6 LED Efficiency vs. Load Current

65

70

75

80

85

90

5

1015

2025

30

LED CURRENT [mA]

VIN = 3.6V

VIN = 4.2V

6 LEDs

VOUT ~ 20V at 20mA

L = 33uH

Número de pieza similar - CAT4237TD

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Catalyst Semiconductor	CAT4237TD	533Kb / 13P	High Voltage CMOS Boost White LED Driver
Catalyst Semiconductor	CAT4237TD-GT3	301Kb / 14P	High Voltage CMOS Boost White LED Driver
ON Semiconductor	CAT4237TD-GT3	294Kb / 14P	High Voltage CMOS Boost White LED Driver Doc. No. MD-5013, Rev. C
	CAT4237TD-GT3	279Kb / 13P	High Voltage CMOS Boost White LED Driver February, 2010 ??Rev. 2
	CAT4237TD-GT3	270Kb / 12P	High Voltage CMOS Boost White LED Driver November, 2011 ??Rev. 3

More results

Descripción similar - CAT4237TD

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
ON Semiconductor	CAT4237	279Kb / 13P	High Voltage CMOS Boost White LED Driver February, 2010 ??Rev. 2
Catalyst Semiconductor	CAT4237	533Kb / 13P	High Voltage CMOS Boost White LED Driver
ON Semiconductor	CAT4237	270Kb / 12P	High Voltage CMOS Boost White LED Driver November, 2011 ??Rev. 3
ON Semiconductor	CAT4237TD-T3	294Kb / 14P	High Voltage CMOS Boost White LED Driver Doc. No. MD-5013, Rev. C
Catalyst Semiconductor	CAT4237	301Kb / 14P	High Voltage CMOS Boost White LED Driver
Catalyst Semiconductor	CAT37	557Kb / 12P	CMOS White LED Driver Boost Converter
ON Semiconductor	CAT37	149Kb / 11P	CMOS White LED Driver Boost Converter February, 2010 ??Rev. 21
Catalyst Semiconductor	CAT4137	302Kb / 14P	CMOS Boost Converter - White LED Driver
ON Semiconductor	CAT37TDI-T3	187Kb / 13P	CMOS White LED Driver Boost Converter Doc. No. MD-5005 Rev. V
ON Semiconductor	CAT4137TD-T3	251Kb / 16P	CMOS Boost Converter - White LED Driver Doc. No. MD-5012 Rev. C

More results

CAT4237TD Datasheet(PDF) 6 Page - Catalyst Semiconductor

CAT4237TD Datasheet(HTML) 6 Page - Catalyst Semiconductor

Número de pieza similar - CAT4237TD

Descripción similar - CAT4237TD

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Datasheet Descarga

Enlace URL