CAT37EKK-TE7 datasheet(5/13 Pages) CATALYST

Part #	CAT37EKK-TE7

Description	CMOS White LED Driver Boost Converter

Download	13 Pages

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Manufacturer	CATALYST [Catalyst Semiconductor]

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

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5 / 13 page

CAT37

5

Doc No. 5005, Rev. R

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456

INPUT VOLTAGE [V]

3 LEDS at 15mA

VOUT = 10V

3 LEDs at 15mA

VOUT = 10V

Efficiency vs. Input Voltage

74

76

78

80

82

84

86

-50

-25

0

25

50

75

100

TEMPERATURE [ºC]

LOAD =3 LEDs VIN

= 3.6V

LOAD =20 mA

LOAD =15 mA

LOAD =10 mA

LOAD = 3 LEDs

VIN = 3.6V

LOAD = 20 mA

LOAD = 15 mA

LOAD = 10 mA

Efficiency vs. Temperature

V

SW, IL, & VOUT Waveforms

PWM on

SHDN

SHDN pin at 1kHz

Enable Power-Up Waveforms

TYPICAL CHARACTERISTICS

VIN = 3.6 V,TAMB = 25˚C, CIN = 4.7

µF, COUT = 1µF, L = 6.8 µH, unless otherwise specified.

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CAT37EKK-TE7 Datasheet(PDF) 5 Page - Catalyst Semiconductor

CAT37EKK-TE7 Datasheet(HTML) 5 Page - Catalyst Semiconductor

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