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| TLC5928_16 Datasheet, PDF (8/32 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with LED Open Detection | |||
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TLC5928
SBVS120E â JULY 2008 â REVISED JANUARY 2011
PARAMETER MEASUREMENT INFORMATION
PIN EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS
VCC
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VCC
INPUT
GND
Figure 1. SIN, SCLK, LAT, BLANK
OUTn
SOUT
GND
Figure 2. SOUT
TEST CIRCUITS
GND
Figure 3. OUT0 Through OUT15
VCC
IREF
RIREF
VCC
OUTn
GND
RL
CL(1)
VLED
VCC
VCC
SOUT
GND
CL(1)
(1) CL includes measurement probe and jig capacitance.
Figure 4. Rise Time and Fall Time Test Circuit for
OUTn
(1) CL includes measurement probe and jig capacitance.
Figure 5. Rise Time and Fall Time Test Circuit for
SOUT
VCC OUT0
VCC
IREF
OUTn
RIREF
GND OUT15
VOUTFIX
VOUTn
Figure 6. Constant-Current Test Circuit for OUTn
8
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© 2008â2011, Texas Instruments Incorporated
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