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PDF SD16730S Data sheet ( Hoja de datos )
| Número de pieza | SD16730S | |
| Descripción | 8-Bit Constant Current LED Driver | |
| Fabricantes | Silan Microelectronics | |
| Logotipo |  |
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8-Bit Constant Current LED Driver
DESCRIPTION
SD16730 is a special constant current driver for LED display
application. The value of constant current can be determined with
external resistor. It bases on BICMOS technology and includes an 8-
bit shift register. Latch and constant current driver. At the output
stage, there are eight regulated current sources which provide 2-
80mA constant current for driving LEDs by Bipolar Junction
Transistor.
SOP-16-300-1.27
FEATURES
* Output current adjustable through an external resistor
* Serial data in/out
* 8 constant-current output channels
* Output current: 2-80mA
* 20MHz clock frequency
* Current accuracy (All output ON)
Current accuracy
Between Bits Between ICs
Output current
<±3%
<±6%
10 to 60mA
DIP-16-300-2.54
APPLICATIONS
* LED guardrail diode
ORDERING INFORMATION
Device
SD16730
SD16730S
Package
DIP-16-300-2.54
SOP-16-300-1.27
Seal
SD16730
SD16730S
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1 2008.11.16
Page 1 of 12
1 page  
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overshoot stresses, it is also advisable not to turn off the drivers and scan transistors simultaneously.
In order to obtain an ideal constant current output, a suitable output voltage is necessary. Users can get related
information about the minimum output voltage from the character table. Even under the same output current
condition, the minimum output voltage required for each part is different.
The resistor should be placed as close as possible to the R-EXT terminal to avoid the noise influence.
TIMING DIAGRAM
Note: The latches circuit holds data when LATCH terminal goes low voltage.
When LATCH terminal is a high voltage, latch circuit does not hold data, and it passes from the input to the
output.
When ENABLE terminal is a low voltage, output terminals respond to the data, and on and off does.
When ENABLE terminal is a high voltage, it closes with the output terminal regardless of the data.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1 2008.11.16
Page 5 of 12
5 Page 
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MOS DEVICES OPERATE NOTES:
Electrostatic charges may exist in many things. Please take following preventive measures to prevent effectively
the MOS electric circuit as a result of the damage which is caused by discharge:
z The operator must put on wrist strap which should be earthed to against electrostatic.
z Equipment cases should be earthed.
z All tools used during assembly, including soldering tools and solder baths, must be earthed.
z MOS devices should be packed in antistatic/conductive containers for transportation.
Note：Silan reserves the right to make changes without notice in this specification for the improvement of the design and performance.
Silan will supply the best possible product for customers.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1 2008.11.16
Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SD16730S.PDF ] | |
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