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TLC5970 Datasheet, PDF (14/48 Pages) Texas Instruments – 3-Channel, 12-Bit, PWM LED Driver with Buck DC/DC Converter and Differential Signal Interface
TLC5970
SBVS140 – MARCH 2010
TEST CIRCUITS
VFB
xA
VCC
xB
VIA
VIB
VCC FB
High or Low
GND
Figure 5. Receiver Test Circuit for SDTA/B and SCKA/B
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VCC FB
VFB
High or Low
VCC
GND
xY
VOD
xZ
1/2 RLDIF
1/2 RLDIF
VOC
Figure 6. Driver VOD and VOC Test Circuit for SDTY/Z and SCKY/Z
VFB
High or Low xA
VCC
xB
VIA
VIB
VCC FB
GND
xY
Output
xZ
RLDIF
CLDIF(1)
(1) CLDIF includes probe and jig capacitance.
Figure 7. Rise/Fall Time and Propagation Delay Test Circuit for SDTY/Z and SCKY/Z
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