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| TLC5973 Datasheet, PDF (25/34 Pages) Texas Instruments – TLC5973 3-Channel, 12-Bit, PWM Constant-Current LED Driver with Single-Wire Interface (EasySet) | |||
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www.ti.com
9.2.2.3 Application Curve
Six LEDs are connected in series to each output.
TLC5973
SBVS225B â MARCH 2013 â REVISED MAY 2014
VLED (5V/div)
VCC (5V/div)
VOUTn (2V/div, Blue LED Connected)
SDI (2V/div)
VCC = 3.3 V
VLED = 21 V
RIREF = 2.7 kΩ
SDI high = 3.3 V
GS data = 7FFh (50% on duty)
Figure 25. No Internal Shunt Regulator Mode 2 Waveform
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