SP7121 datasheet(7/11 Pages) SIPEX

Part #	SP7121

Description	2-Channel Adjustable Low Dropout High Side Linear LED Driver

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Manufacturer	SIPEX [Sipex Corporation]

Direct Link	http://www.sipex.com

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7 / 11 page

Sept 11 - 07 Rev E

SP7121 Low Dropout LED Driver

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS

PWM FUNCTION -- 2 LEDs continued

PWM FUNCTION -- SINGLE HIGH POWER LED

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Channel 1 Enable; Channel 2 ISET pin;

Channel 3 VLED; Channel 4 ILED 20ma/Div

PWM minimum duty cycle 20kHz

Channel 1 PWM signal; Channel 2 ISET pin;

Channel 3 VLED; Channel 4 ILED 50ma/Div

PWM minimum duty cycle 20kHz

Channel 1 PWM signal; Channel 2 ISET pin;

Channel 3 VLED; Channel 4 ILED 50ma/Div

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