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| TCA62746AFG Datasheet, PDF (12/25 Pages) Toshiba Semiconductor – 16-Output Constant Current LED Driver with Output Open/Short Detection | |||
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TCA62746AFG/AFNG
Test Circuit7: Switching Characteristics
SCK
F.G
SIN
SLAT
OE
VDD
OUT0
OUT7
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10~90%)
REXT
GND
OUT15
SOUT
RL = 85 â¦
CL
RL
CL
RL
CL = 10.5 pF
Output Delay Circuit
This is designed for high speed switching between outputs and is intended to have the effect of reducing
switching noise by reducing the di/dt when all outputs are ON or OFF at the same time.There is a switching time
lag (20 ns typ.) between adjacent outputs.
The equivalent circuit chart of the delay circuit is shown in the following.
OE
OUT0
D0
Ã1
OUT1
D1
Delay
Ã2
OUT2
D2
Delay
Delay
Ã15
OUT15
D15
Delay
Delay
12
2007-05-22
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