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| TLC5947_17 Datasheet, PDF (11/33 Pages) Texas Instruments – 24-Channel, 12-Bit PWM LED Driver With Internal Oscillator | |||
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7 Parameter Measurement Information
7.1 Pin Equivalent Input and Output Schematic Diagrams
VCC
TLC5947
SBVS114B â JULY 2008 â REVISED JANUARY 2015
VCC
INPUT
SOUT
GND
Figure 12. SIN, SCLK, XLAT, BLANK
OUTn
GND
Figure 13. SOUT
7.2 Test Circuits
GND
Figure 14. OUT0 Through OUT23
VCC
RL
VCC
IREF
OUTn
VLED
VCC
RIREF
GND
CL
VCC
SOUT
GND
CL
Figure 15. Rise Time and Fall Time Test Circuit for Figure 16. Rise Time and Fall Time Test Circuit for
OUTn
SOUT
VCC OUT0
VCC
IREF
OUTn
RIREF
GND OUT23
VOUTFIX
VOUTn
Figure 17. Constant-Current Test Circuit for OUTn
Copyright © 2008â2015, Texas Instruments Incorporated
Product Folder Links: TLC5947
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