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
>= 0.4V
>= 0.7V
Current
Error
between bits
+/- 6%
Current
Error
between ICs
+/- 15%
Output
Current
2 to 40 mA
2 to 90 mA
Weight :
1.11 g(Typ.) - - - Type P
0.14 g(Typ.) - - - Type F
0.07 g(Typ.) - - - Type FN
TB62725P
DIP16-P-300-2.56A
TB62725F
SSOP16-P-225-1.00
TB62725FN
SSOP16-P-225-0.65
Pin layout (TOP VIEW)
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
BLOCK DIAGRAM
R-EXT
I-REG
T B 6 2 7 2 5 P / F / FN
OUT0
OUT1
OUT7
/ENABLE
Q
ST D
Q
ST D
Q
ST D
/LATCH
SERIAL-IN
D
CK
Q
D
CK
Q
D
CK
Q
SERIAL-OUT
CLOCK
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
TOSHIBA
TERMINAL DISCRIPTION
PIN No.
1
2
3
4
5~12
13
14
15
16
PIN NAME
GND
SERIAL-IN
CLOCK
/LATCH
OUT0 to 7
/ENABLE
SERIAL-OUT
R-EXT
VDD
GND terminal for control logic.
Input terminal of a serial-data for shift-register
Input terminal of a clock for data shift to up-edge.
T B 6 2 7 2 5 P / F / FN
FUNCTION
LATCH-terminal, and hold data with "L" level input.
Output terminals.
Input terminal of a data strobe. Latches passes data with "H" level
input of
Input terminal of output enable. All outputs (OUT0 to 7) do off with "H" level input
of ENABLE-terminal, and do on with "L" level input.
Output terminal of a serial-data for next SERIAL-IN terminal.
Input terminal of connects with a resister for to set up all output current.
5V Supply voltage terminal
EQUIVALENT CIRCUIT OF INPUTS AND OUTPUTS
1. /ENABLE Terminal
VDD
R(UP)
2. /LATCH Terminal
VDD
/ENABLE
GND
/LATCH
GND
R(DOWN)
3. CLOCK,SERIAL-IN Terminal
VDD
CLOCK,
SERIAL - IN
GND
4. SERIAL-OUT Terminal
VDD
8th DATA
GND
SERIAL - OUT
5. OUT0 to 7 Terminal
OUT 0 to 7
GND
marktech
optoelectronics
120 Broadway Menands, New York 12204
Toll Free:
(800) 98-4LEDS
Fax: (518) 432-7454
TOSHIBA
MAXIMUM RATINGS ( Ta = 25degC )
CHARACTERISTICS
Supply Voltage
Input Voltage
Output Current
Output Voltage
Power Dissipation
SYMBOL
VDD
VIN
IOUT
VOUT
Pd1
Pd2
Thrmal Resistance
Rth(j-a)1
Rth(j-a)2
Oparating Temperature
Storage Temperature
Topr
Tstg
RATING
0 to 7
-0.2 to VDD+0.2
+90
-0.5 to 17
Type P : 1.47(Free Air)
T B 6 2 7 2 5 P / F / FN
UNIT
V
mA/ch
V
W
Type F and FN : 0.37 (Free Air), 0.78 (On PCB)
Type P : 85(Free Air)
Type F and FN : 330 (Free Air),160 (On PCB)
-40 to 85
-55 to 150
degC
degC/W
Note) Type P : Ambient temperature delated above 25degC in the proportion of 11.76 mW/degC.
Type F and FN : Ambient temperature delated above 25degC in the proportion of 7.69 mW/degC.
Condition) On PCB at 50 X 50 X 1.6mm Cu <= 40% ( Glass Epoxy PCB )
RECOMMENDED OPERATING CONDITION (Ta=-40 to 85degC unless otherwise noted)
CHARACTERISTICS
Supply Voltage
Output Voltage
Output Current
SYMBOL
VDD
VOUT
IOUT
IOH
IOL
Input Voltage
VIH
VIL
Clock Frequency
/LATCH Pulse Width
CLOCK Pulse Width
/ENABLE Pulse Width
Setup Time
for CLOCK Terminal
Hold Time
for CLOCK Terminal
Setup Time
for /LATCH Terminal
fCLK
tw /LATCH
tw CLOCK
tw /ENABLE
Cascade Connected
50
25
0.7VDD
-0.15
Each DC 1 Circuit
SERIAL-OUT
2
CONDITION
MIN.
3
TYP.
3.3
0.7
MAX.
3.6
4
70
-1
1
VDD
+0.15
0.3VDD
20
MHz
V
UNIT
V
V
mA/ch
mA
Upper IOUT = 20 mA
Lower IOUT = 20 mA
2000
4500
10
5
50
ns
tsetup1
thold
tsetup2
marktech
optoelectronics
120 Broadway Menands, New York 12204
Toll Free:
(800) 98-4LEDS
Fax: (518) 432-7454
TOSHIBA
CHARACTERISTICS
Supply Voltage
Output Current
Output Current
Error bitween bits
Output Leakage
Current
Input Voltage
SYMBOL
VDD
IOUT1
IOUT2
dIOUT1
dIOUT2
IOZ
VIH
VIL
SOUT Terminal
Output Voltage
Output Currnet
Supply Voltage
Reguration
Pull up Resistor
Pull down Resistor
VOL
VOH
%/VDD
R(up)
R(down)
IDD(OFF)1
IDD(OFF)2
Supply Current
IDD(OFF)3
I ON)
DD( 1
I ON)
DD( 2
IOH=+1mA
IOL=-1mA
VDD = 3V to 3.6V
/ENABLE Terminal
/LATCH Terminal
REXT=OPEN,VOUT=15.0V
REXT=490Ohms,
VOUT=15V,OUT0 to 7 are Off.
REXT=250Ohms,
VOUT=15V,OUT0 to 7 are Off.
REXT=490Ohms,
VOUT=0.7V,OUT0 to 7 are On.
Same as the avobe , Ta=-40degC
REXT=250Ohms,
VOUT=0.7V,OUT0 to 7 are On.
Same as the avobe , Ta=-40degC
CONDITION
Normal Operation
VOUT=0.4V,REXT=490ohms
VOUT=0.7V,REXT=250ohms
VOUT>=0.4V,REXT=490ohms
All outout on.
VOUT>=0.7V,REXT=250ohms
All outout on.
VOUT=15.0V
T B 6 2 7 2 5 P / F / FN
ELECTRICAL CHARACTERISTICS (VDD=3.3V, Ta=25degC unless otherwise noted)
MI
N
3.
0
31.9
62.6
TYP
3.3
37.5
73.6
+/-1.5
+/-1.5
1.0
0.7
VDD
GND
2.8
+/-1.5
100
125
1
3
200
250
1
3
6
7
14
13
25
MAX
3.6
43.1
84.6
+/-6
+/-6
5.0
VDD
0.3
VDD
0.4
+/-5.0
400
500
2
5
8
mA
uA
UNIT
V
mA
%
V
%
kohms
SWITCHING CHARACTERISTICS (Ta=25degC unless otherwise noted)
CHARACTERISTICS
SYBOL
tpLH1
tpLH2
tpLH3
tpLH
tpHL1
tpHL2
tpHL3
tpHL
t or
t of
tr
tf
TEST CONDITION
CLK - OUTn,
/LATCH="H",/ENABLE="L"
/LATCH - OUTn,
/ENABLE="L"
/ENABLE - OUTn,
/LATCH="H"
CLK - SERIAL OUT
CLK - OUTn,
/LATCH="H",/ENABLE="L"
/LATCH - OUTn, /ENABLE="L"
MIN
TYP
140
140
140
5
170
170
170
6
70
90
5
5
ns
MAX
UNIT
Propagation
Delay Time
/ENABLE - OUTn, /LATCH="H"
CLK - SERIAL OUT
Voltage Waveform 10% to 90%
Voltage Waveform 90% to 10%
Output Rise Time
Output Fall Time
Muximum CLOCK
Rise Time
Muximum CLOCK
Fall Time
Cascade connection isn't guarantee.
(Note1)
us
Condition : (Refer to test circuit.)
Ta= 25 degC, VDD=VIH=3.3V, VOUT=0.7V, VIL=0V, REXT=490ohms, VL=3.0V, RL=60ohms, CL=10.5pF
Note 1 : When tf / tf of clock wave form is enlarged at the time as the cascade connection,
the timing condition which is necessary for the data transfer may not be able to be secured.
Give careful consideration to the timing condition.
marktech
optoelectronics
120 Broadway Menands, New York 12204
Toll Free:
(800) 98-4LEDS
Fax: (518) 432-7454
工作这点儿事
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
