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| TLC5971_15 Datasheet, PDF (13/45 Pages) Texas Instruments – 12-Channel, 16-Bit, Enhanced Spectrum, PWM, RGB, LED Driver | |||
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www.ti.com
7 Parametric Measurement Information
7.1 Test Circuits
VCC
CVREG
VREG
IREF
RIREF
VCC
OUTXn(1)
GND
RL
CL(2)
VLED
(1) X = R/G/B, n = 0-3.
(2) CL includes measurement probe and stray
capacitance.
Figure 17. Rise/Fall Time Test Circuit for OUTXn
TLC5971
SBVS146D â AUGUST 2010 â REVISED DECEMBER 2015
VCC
VCC
VREG
CVREG
SDTO/SCKO
GND
CL(1)
(1) CL includes measurement probe and stray
capacitance.
Figure 18. Rise/Fall Time Test Circuit for
SDTO/SCKO
VCC
CVREG
VREG
IREF
RIREF
VCC
OUTR0
OUTXn(1)
OUTB3
GND
VOUTfix
VOUTXn
(1) X = R/G/B, n = 0-3.
Figure 19. Constant-Current Test Circuit for OUTXn
7.2 Pin Equivalent Input and Output Schematics
VREG
VREG
INPUT
GND
Figure 20. SDTI/SCKI
OUTPUT
GND
Figure 21. SDTO/SCKO
OUTXn(1)
(1) X = R/G/B, n = 0-3.
GND
Figure 22. OUTR0 Through OUTB3
Copyright © 2010â2015, Texas Instruments Incorporated
Product Folder Links: TLC5971
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