CC0805KRX7R9BB104 datasheet(8/13 Pages) DIODES

Part #	CC0805KRX7R9BB104

Description	Quad-Channel Current-Ratio-Optimized LED Driver with Analog and PWM Dimming

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Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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8 / 13 page

AL1794EV1 User Guide

Quad-Channel Current-Ratio-Optimized LED Driver

with Analog and PWM Dimming

AL1794EV1 REV1

Page 8 of 13

July 2015

www.diodes.com

Dimming Performances: (PWM Frequency 4KHz, 1KHz, and 10KHz)

1. 4KHz PWM Dimming Current Linearity Test for Channel 1, 2, 3 and 4

(250mA:250mA:187.5mA:62.5mA)

Full-Range (0 - 100%) 4KHz PWM Dimming Performance

Figure 3: 4KHz PWM Dimming Performance

Deep Dimming (0 - 10%) 4KHz PWM Dimming Performance

Deep dimming performance of PWM signals are critical performance factor as human

eyes are more sensitive to brightness change at low light level

Figure 4: 4KHz PWM Dimming Performance below 10% Dimming

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