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PDF FD9802 Data sheet ( Hoja de datos )
| Número de pieza | FD9802 | |
| Descripción | 16 Bit Constant Current LED Driver | |
| Fabricantes | Shanghai Fengxin Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FD9802 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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FD9802
16 Bit Constant Current LED Driver
Product Description
FD9802 is a 16-bit constant current driver for LED displays. This product is designed by Shanghai
Fengxin Microelectronics Co., Ltd. The constant current can be set between 5mA to 90mA by an external
resistor.
FD9802C has the same function with MBI5026GF and FD9802D has the same function with
MBI5026GP. FD9802 can be directly used on the existing PCB, no need to design new PCB. FD9802’s
performance price ratio is higher; the manufacturers of LED display can save cost by using FD9802.
Model
FD9802C (Package SSOP24-1.0)
FD9802D (Package SSOP24-0.635)
FD9802C:SSOP24-300-1.0
FD9802D:SSOP24-150-0.635
Features
16 constant-current output channels
Constant output current invariant to load voltage change
Output current adjusted through an external resistor
Constant output current range: 5-90mA
Excellent output current accuracy:
Between channels：<±3%
Between ICs：<±4%
25MHZ clock frequency
Input compatible 5V CMOS
5V supply voltage
©Shanghai Fengxin Microelectronics Co., Ltd. Tel：86-21-37529331 Fax：86-21-37529332
Shenzhen Office Tel: 86-755-33075201 Fax: 86-755-83938491
Version: Apr., 2011 www.shfengxin.net
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
FD9802
Note: The latches circuit holds data when the LATCH terminal is Low. When the LATCH
terminal is at High level, latch circuit doesn’t hold the data, it passes from the input to the output.
When the ENABLE terminal is at Low level, output terminals OUT0 to OUT15 respond to the
data, either ON or OFF. When the ENABLE terminal is at High level, it switches off all the data
on the output terminal.
Truth Table
Note: OUT0 to OUT15 = ON when Dn = H; OUT0 to OUT15 = OFF when Dn = L.
©Shanghai Fengxin Microelectronics Co., Ltd. Tel：86-21-37529331 Fax：86-21-37529332
Shenzhen Office Tel: 86-755-33075201 Fax: 86-755-83938491
Version: Apr., 2011 www.shfengxin.net
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
FD9802
Constant Current
In LED display application, FD9802 Provides nearly no variations in current from channel to
channel and from IC to IC. This can be achieved by:
1) The maximum current variation between channels is less than ±3%,and that between Ics is
less than ±4%.
2) The output current can be kept constant regardless of the variations of LED forward
voltages(Vf). This performs as a perfection of load regulation.
©Shanghai Fengxin Microelectronics Co., Ltd. Tel：86-21-37529331 Fax：86-21-37529332
Shenzhen Office Tel: 86-755-33075201 Fax: 86-755-83938491
Version: Apr., 2011 www.shfengxin.net
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet FD9802.PDF ] | |
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