CAT4137 datasheet(6/14 Pages) CATALYST

Part #	CAT4137

Description	CMOS Boost Converter - White LED Driver

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Manufacturer	CATALYST [Catalyst Semiconductor]

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

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6 / 14 page

CAT4137

Doc. No. MD-5012 Rev. B

6

Characteristics subject to change without notice

TYPICAL CHARACTERISTICS

VIN = 3.6V, CIN = 1.0uF, COUT = 0.22µF, L = 22µH, with 3 LEDs at 20mA, TAMB=25ºC, unless otherwise specified.

Power-up with 3 LEDs at 20mA

Line Transient Response (3V – 5.5V)

Maximum Output Current vs. Input Voltage

0

20

40

60

80

100

120

140

2.02.53.03.54.04.55.05.5

INPUT VOLTAGE [V]

VOUT = 17V

VOUT = 10V

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