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Toshiba Electronic Components Datasheet

TC62D749CFG Datasheet

16-Output Constant Current LED Driver

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TC62D749CFG
TOSHIBA CDMOS Integrated Circuit Silicon Monolithic
TC62D749CFG
16-Output Constant Current LED Driver (Output switching high-speed version)
The TC62D749CFG is a constant-current driver for LED and
LED display lighting applications.
The output current from each of the 16 outputs is
programmable via a single external resistor.
The TC62D749CFG contains a 16-channel shift register, a
16-channel latch, a 16-channel AND gate and a 16-channel
constant-current output.
Fabricated with a CMOS process, the TC62D749CFG allows
high-speed data transfer.
It operates with a 3.3- or 5-V power supply.
SSOP24-P-300-1.00B
Weight: 0.29 g (Typ.)
Features
Supply voltages
: VDD = 3.0 V to 5.5 V
16-output built-in
Output current setup range
: IOUT = 1.5 to 90 mA
Constant current output accuracy (@ REXT = 1.2 k, VOUT = 1.0 V, VDD = 3.3 V, 5.0 V)
: S rankbetween outputs ± 1.5 % (max)
: S rankbetween devices: ± 1.5 % (max)
: N rankbetween outputs ± 2.5 % (max)
: N rankbetween devices: ± 2.5 % (max)
Output voltage
: VOUT = 17 V (max)
High-speed output switching
: twOE = 25 ns (min), tor = 10ns (typ.), tof = 10ns (typ.)
There is TC62D748 as an output switching standard-speed version of this product.
I/O interface
: CMOS interfaces (Schmitt trigger input)
Data transfer frequency
: fSCK = 25 MHz (max)
Operation temperature range
: Topr = 40 to 85 °C
Power-on-reset function built-in. (When the power supply is turned on, internal data is reset)
Package
: SSOP24-P-300-1.00B
For detailed part naming conventions, contact your local Toshiba sales representative or distributor.
When the LED driver of high-speed output switching is used, back EMF may occur at the time of output OFF, and
output terminal voltage may rise. Please be careful. It is necessary to reduce inductance to prevent the back EMF. It
is possible to reduce inductance of a substrate by making the power supply for LED wiring shorter and wider
designing the layout pattern.
1 2012-01-10


Toshiba Electronic Components Datasheet

TC62D749CFG Datasheet

16-Output Constant Current LED Driver

No Preview Available !

Block Diagram
VDD
OE
SLAT
SIN
SCK
OUT0 OUT1
OUT15
TC62D749CFG
OUT0
OUT1
Constant current outputs
OUT15
Q0 Q1
Q15
16-bit D-latch
R
G
D0 D1
D15
D0
Q0 Q1
Q15
D15
16-bit shift register
R
VDD
B.G POR
GND
REXT
SOUT
2 2012-01-10


Part Number TC62D749CFG
Description 16-Output Constant Current LED Driver
Maker Toshiba
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