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TB62710F View Datasheet(PDF) - Marktech Optoelectronics

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TB62710F Datasheet PDF : 17 Pages
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TB62710P/F/FN
The bottom figure shows an application circuit.
For best results, this IC should be operated with VO = 2.0 V.
VO (V) = VCC VOUT
= VCC Vf (LED) VCE1
When VCC is high and the Vf of the LED is low.
VO is also high , the increase in power dissipation may in turn adversely affect the IC’s output current.
In this case, reduce the voltage by connecting an external resistor.
In this way the IC’s output current can be stabilized.
R
=
VCC
IOUT (max)
Vf VO (min)
× BIT number (max)
It is looked for.
it is also possible that the IC will operate in an unstable manner due to the inductance of the wiring.
To counter this, it is recommended that the IC be situated as close as possible on the PCB to the LED module, and
as far as possible from other ICs. Otherwise, there is the risk that the IC will malfunction.
Application
R
VDD
n
SCAN
ENABLE
VCC VCC
OUT0
CLOCK
LATCH
SERIAL-IN
R-EXT GND
OUT7
SERIAL-OUT1,
SERIAL-OUT2
VLED = 5~17 (V)
CPU
ENABLE
VCC VCC
OUT0
CLOCK
LATCH
SERIAL-IN
R-EXT GND
OUT7
SERIAL-OUT1,
SERIAL-OUT2
VCE1
VO = VCC Vf (LED) VCE1
For best results, operate at VO = 2.0 V
12
2001-04-16
 

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