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PDF TB62717FG Data sheet ( Hoja de datos )
| Número de pieza | TB62717FG | |
| Descripción | 24 Bit Constant Current Drivers | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TB62717FG (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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TB62717NG/FG
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB62717NG,TB62717FG
24 Bit Constant Current Drivers (3 × 8 Bit Shift Register & Latch)
The TB62717NG/FG are specifically designed constant current
driver for LED & LED DISPLAY.
This constant-current output-circuits is able to set up at an
external resistor.
This IC is monolithic integrated circuit designed to be used
together with Bi-CMOS process.
The devices builds in three block composed by the shift register
circuit of eight bits, the latch-circuit of eight bits, the AND gate
circuit of eight bits and the constant-current output circuits of
eight bits.
This device has a SERIAL-IN terminal and a SERIAL-OUT
terminal three blocks to each, and has a CLOCK terminal and a
LATCH terminal three blocks to the commonness.
The TB62717NG/FG complies with RoHS regulation.
TB62717NG
TB62717FG
Features
• Constant current output
: Able to set up at an external resistor for 2 to 50 mA.
• Schmitt triggered input
• Recommended operating condition
• Maximum clock Frequency
: fCLK = 10.0 MHz (cascade connected)
• IC supply voltage: VDD = 4.5 to 5.5 V
• Output voltage: VOUT = 0.4 to 17 V
• Operating temperature: Topr = −40 to 85°C
Weight
SDIP42-P-600-1.78: 4.13 g (typ.)
QFP48-P-1014-0.80: 0.83 g (typ.)
Constant Output Current Matching
Output−GND Voltage
≥0.4 V
Current Matching
±6.0%
Output Current
50 mA
• 5 V CMOS Compatible Input
• Package: NG type SDIP42-P-600-1.78
FG type QFP48-P-1014-0.80
1 2007-12-06
1 page  
TB62717NG/FG
Terminal Explanation
Numbers
NG FG
36 to 38 36 to 38
33 to 35 33 to 35
5 to 7
2 to 4
8 to 10
5 to 7
12 to 14 9 to 11
15 to 17 12 to 14
29 to 31 29 to 31
26 to 28 26 to 28
11, 21, 32 8, 18, 32
1 to 3
4
45 to 47
48
22 21
23 to 25 22 to 24
18 to 20 15 to 17
39 39
40 to 42 40 to 42
1,19~20
-
25,43~44
Name
Explanation
OUT −R/G/B0
This terminal is the constant−current output of the 1st bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B1
This terminal is the constant−current output of the 2nd bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B2
This terminal is the constant−current output of the 3rd bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B3
This terminal is the constant−current output of the 4th bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B4
This terminal is the constant−current output of the 5th bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B5
This terminal is the constant−current output of the 6th bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B6
This terminal is the constant−current output of the 7th bit of each block. An output
terminal is high−active in the input data.
OUT −R/G/B7
This terminal is the constant−current output of the 8th bit of each block. An output
terminal is high−active in the input data.
GND
These three terminals are GND terminals. We recommend that it is grounded (this
terminal all).
SERIAL IN−R/G/B This terminal is a serial−data input of each block.
CLOCK
This terminal is the clock signal input which is common to each block.
LATCH
This terminal is latch signal input. This terminal is a level latch. Therefore, input data
are held while input of a L level is being maintained. It only passes through the data on
the output side in the case of the H level.
ENABLE −R/G/B
This terminal is output control signal input. When input of a L level is maintained, an
output terminal drives this terminal corresponding to the input data. Output is made a
non−drive independently with the input data in the case of the H level.
REXT− R/G/B
This terminal is for the resistance connection which the output electric current value of
each block is set up to. Resistance with the outside is connected between this terminal
and GND. Output electric current is set up in the value corresponding to the re
VDD
SERIAL OUT
− R/G/B
This terminal is input of a power supply voltage 5 V.
This terminal is a serial−data output of each block.
NC terminal is a unconnection.
5 2007-12-06
5 Page 
Timing Waveform
1. CLOCK, SERIAL IN - R/G/B, SERIAL OUT - R/G/B
twCLK(H)
fCLK
CLOCK
50%
tSETUP(D)
SERIAL IN-R/G/B 50%
50%
50%
50%
twCLK(L)
SERIAL OUT-R/G/B
tHOLD(D)
50%
tpLH4 / tpHL4
2. CLOCK, LATCH, OUT - R/G/B0 ~ 7
TB62717NG/FG
90%
50% 10%
tr
90%
10%
tf
CLOCK
LATCH
OUT - R/G/B0 ~ 7
(Current wave)
50% 50%
tSETUP(L)
tHOLD(L)
50%
50%
tw/LATCH
50%
tpHL2 / tpLH2
3. CLOCK, LATCH, OUT - R/G/B0 ~ 7
ON
OFF
CLOCK
50%
LATCH
OUT - R/G/B0 ~ 7
(Current wave)
50%
tpHL1 / tpLH1
4. ENABLE - R/G/B, OUT - R/G/B0 ~ 7
tw/EN
ENABLE - R/G/B
50%
tpHL3
50%
tpLH3
OUT - R/G/B0 ~ 7
(Current wave)
50%
10%
90%
tor
90%
50%
10%
tof
11
ON
OFF
ON
OFF
2007-12-06
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet TB62717FG.PDF ] | |
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