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Toshiba Electronic Components Datasheet

TB62725F Datasheet

8BIT CONSTANT CURRENT LED DRIVER OF OPERATING VOLTAGE 3.3V

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TB62725F pdf
TOSHIBA
T B 6 2 7 2 5 P / F / FN
TOSHIBA Bi-CMOS INTEGRATED CIRCIUTS SILICON MONOLITHIC
TB62725P/F/FN
8BIT CONSTANT CURRENT LED DRIVER OF OPERATING VOLTAGE 3.3V
TB62725 series is the constant current driver designed
for LED and the LED display. Output current value is
set with one resistor with the outside.
Then, all the output becomes the about same current.
This driver builds in the constant current output of
eight bits, the shift register of eight bits, the latch of
eight bits and gate circuit.
This driver is designed by using the BI-CMOS process.
FEATURE
*Output Current Capability and the number of the output :
90mA X 8 outputs
*Constant Current Range : 5 to 90mA
*Application Output Voltage :
0.7V (output current 40 to 80 mA)
0.4V (output current 5 to 40 mA)
*For Annode Common LED
*Input Signal Voltage Level :
3.3V CMOS Level (Shmitt Triggered Input)
*Power Supply Voltage Range VDD=3.0 to 3.6V
*Muximum output terminal voltage 17V
*Serial and Pararell Data Transfer Rate :
20MHz (max, Cascade Connection)
*Operation Temperature Range :
Topr= -40 to 85 degrees
*Package :
Type P : DIP16-P-300-2.56A
Type F : SSOP16-P-225-1.00
Type FN : SSOP16-P-225-0.65
*Package and Pin Layout : Same as the TB62705 series.
*Constant Current Error bitween bits ( All Output On )
Output
Voltage
Current
Error
between bits
Current
Error
between ICs
Output
Current
>= 0.4V
+/- 6%
+/- 15%
2 to 40 mA
>= 0.7V
2 to 90 mA
Pin layout (TOP VIEW)
TB62725P
DIP16-P-300-2.56A
TB62725F
SSOP16-P-225-1.00
TB62725FN
SSOP16-P-225-0.65
Weight :
1.11 g(Typ.) - - - Type P
0.14 g(Typ.) - - - Type F
0.07 g(Typ.) - - - Type FN
GND
SERIAL-IN
CLOCK
/LATCH
OUT0
OUT1
OUT2
OUT3
VDD
R-EXT
SERIAL-OUT
/ENABLE
OUT7
OUT6
OUT5
OUT4
marktech
optoelectronics
120 Broadway • Menands, New York 12204
Toll Free: (800) 98-4LEDS• Fax: (518) 432-7454


Toshiba Electronic Components Datasheet

TB62725F Datasheet

8BIT CONSTANT CURRENT LED DRIVER OF OPERATING VOLTAGE 3.3V

No Preview Available !

TB62725F pdf
TOSHIBA
BLOCK DIAGRAM
R-EXT
I-REG
OUT0
OUT1
/ENABLE
/LATCH
Q
ST D
Q
ST D
T B 6 2 7 2 5 P / F / FN
OUT7
Q
ST D
SERIAL-IN
CLOCK
DQ
CK
DQ
CK
DQ
CK
SERIAL-OUT
TRUTH TABLE
CLOCK
UP
UP
UP
DOWN
DOWN
/LATCH
H
L
H
X
X
/ENABLE
L
L
L
L
H
SERIAL-IN
Dn
Dn+1
Dn+2
Dn+3
Dn+3
OUT0 --- OUT5 --- OUT7
Dn --- Dn-5 --- Dn-7
No Change
Dn+2 --- Dn-3 --- Dn-5
Dn+2 --- Dn-3 --- Dn-5
Off
SERIAL-OUT
Dn-7
Dn-6
Dn-5
Dn-5
Dn-5
Note) "OUT0 to 7 = On" in case of Dn= "H" Level and "OUT0 to 7 = Off" in case of Dn= "L" Level.
A resistor is connected with R-EXT and GND accompanied with outside, and it is necessary that a correct power
supply voltage is supplied.
TIMING DIAGRAM
CLOCK
SERIAL-IN
/LATCH
/ENABLE
OUT0
OUT1
OUT3
OUT7
SERTIAL-OUT
5V
0V
5V
0V
5V
0V
5V
0V
On
Off
On
Off
On
Off
On
Off
5V
0V
Note) Latches are level sensitive, not rising edge sensitive and not syncronus CLOCK.
Input of LATCH-terminal to "H" level, data passes latches and input to "L" level, data hold latches.
Input of ENABLE-terminal to "H" level, all output ( OUT0 to 7 ) off.
marktech
optoelectronics
120 Broadway • Menands, New York 12204
Toll Free: (800) 98-4LEDS• Fax: (518) 432-7454


Part Number TB62725F
Description 8BIT CONSTANT CURRENT LED DRIVER OF OPERATING VOLTAGE 3.3V
Maker Toshiba
Total Page 15 Pages
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