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What is SCT2110?

This electronic component, produced by the manufacturer "StarChips", performs the same function as "8-bit Serial-In/Parallel In-Out Constant-Current LED Driver".


SCT2110 Datasheet PDF - StarChips

Part Number SCT2110
Description 8-bit Serial-In/Parallel In-Out Constant-Current LED Driver
Manufacturers StarChips　
Logo StarChips Logo　


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StarChips
Technology
SCT2110 V03_01; Mar/08
8-bit Serial-In/Parallel-Out Constant-Current LED Driver
Product Description
The SCT2110 serial-interfaced LED driver sinks 8 LED clusters with constant current
to keep the uniform intensity of LED displays. In applications, an external resistor is
used to set the full-scale constant output current from 5mA up to 160mA. The
SCT2110 guarantees each output can endure maximum 17V DC voltage stress. The
built-in shift registers and data latches making the SCT2110 effective solution in
driving LED display. The output enable function gates all 8 outputs on and off, and is
fast enough to be used as PWM input for LED intensity control. Since the serial data
input rate can be reached up to 25MHz, the SCT2110 will satisfy system which
needs high volume data transmission to control the LED display.
Features
8 constant-current outputs rate at 17V
Constant current range: 5 – 160mA
Excellent current regulation to load, supply voltage and temperature
±3% Current matching between outputs
±6% Current matching between ICs
Fast output current control: Minimum PWM pulse width = 100ns
All output current are programmed together using a single external resistor
CMOS Schmitt triggered inputs
High serial data transfer rate: 25MHz
Operating supply voltage range of 4.5V to 5.5V
Built-in power on reset and thermal protection function
Package: SOP16 and SSOP16
Applications: LED Displays, Variable Message Signs, LED Traffic Signs
Pin Configurations
GND
SDI
CLK
LA/
OUT0
OUT1
OUT2
OUT3
1 16
2 15
3 SCT2110 14
4
5
CSOG
CSWG
13
12
6 CSSG 11
7 10
89
VDD
REXT
SDO
OE/
OUT7
OUT6
OUT5
OUT4
Ordering Information
Part Number
SCT2110CSOG
SCT2110CSWG
SCT2110CSSG
Package
Pb free SOP16 (150 mil)
Pb free SOP16 (300 mil)
Pb free SSOP16
StarChips Technology, Inc.
4F, No.5, Technology Rd., Science-Based Industrial Park, Hsin-Chu,Taiwan, R.O.C.
Tel: +886-3-577-5767 # 555 Fax：+886-3-577-6575 [email protected]

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SCT2110 equivalent
8-bit Serial-In/Parallel-Out Constant-Current LED Driver
SCT2110
Electrical Characteristics (VDD=5V, Ta=25℃ unless otherwise noted)
Characteristic
Symbol
Condition
Min. Typ. Max. Unit
Input Voltage
SDO Output Voltage
Output Leakage Current
Output Current
Current Bit Skew*
Current Chip Skew
IOUT vs. VDD Regulation
IOUT vs. VOUT Regulation
VIH - 0.7VDD - VDD V
VIL - 0 - 0.3VDD V
VOH VDD=5V, IOH = -1mA 4.6 - - V
VOL VDD=5V, IOL = +1mA - - 0.4 V
IOL VOUT = 17V - - 0.5 µA
IOUT VOUT = 1V, REXT = 900Ω -
42
mA
dIOUT1 VOUT = 1V, REXT = 900Ω -
- ±3 %
dIOUT2 VOUT = 1V, REXT = 900Ω -
- ±6 %
%/dVDD
4.5V < VDD < 5.5V,
VOUT > 1V, REXT=900Ω
-
- ±2 %/V
%/dVOUT
1V < VOUT < 4V
IOUT=42mA, REXT=900Ω
-
- ±1 %/V
Pull-up Resistor
Rup
OE/ - 650 - KΩ
Pull-down Resistor
Rdown
LA/
- 650 - KΩ
Thermal Shutdown
Supply
Current
OFF
TH
TL
IDD(off)1
IDD(off)2
Junction Temperature
REXT =Open, VDD = 5V
OUT [0:7]=Off
REXT = 900Ω, VDD = 5V
OUT [0:7]=Off
- 170 -
- 130 -
- 79
℃
℃
- 10 12 mA
ON
IDD(on)
REXT = 900 Ω, VDD = 5V
OUT [0:7]=On
-
11 13
* Bit Skew=(IOUT-IAVG)/IAVG, where IAVG=(Imax+Imin)/2
Switching Characteristics (Ta=25℃ unless otherwise noted)
Characteristic
Symbol Condition
Min. Typ.
Propagation
Delay Time
(“L” to “H”)
CLK - OUTn
LA/ - OUTn
OE/ - OUTn
CLK - SDO
Propagation
Delay Time
(“H” to “L”)
CLK - OUTn
LA/ - OUTn
OE/ - OUTn
CLK - SDO
CLK
Pulse Width LA/
OE/
Hold Time for LA/
Setup Time for LA/
Output Rise Time of IOUT
Output Fall Time of IOUT
Slow CLK rise time
Slow CLK fall time
tPLH1
tPLH2
tPLH3
tPLH
tPHL1
tPHL2
tPHL3
tPHL
tW(CLK)
tW(L)
tW(OE)
tH(L)
tS(L)
tOR
tOF
tR
tF
VDD = 5V
VLED = 5V
VIH = VDD
VIL= GND
REXT = 900 Ω
RL = 90 Ω
CL = 10 pF
Cascade
- 30
- 100
- 50
- 15
- 40
- 100
- 30
- 15
20 -
20 -
100
5-
5-
- 15
- 15
--
--
Max.
60
150
100
20
60
150
60
20
-
-
-
-
30
30
500
500
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Featured Datasheets

Part NumberDescriptionMFRS
SCT2110The function is 8-bit Serial-In/Parallel In-Out Constant-Current LED Driver. StarChipsStarChips

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