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PDF SM2082B Data sheet ( Hoja de datos )
| Número de pieza | SM2082B | |
| Descripción | Single Channel LED Constant Current Driver | |
| Fabricantes | Linkage | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM2082B (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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GOSTON ELECTRONICS CO.,LTD
SM2082B Single Channel LED Constant Current Driver v1.6
SM2082B
Features
Patented constant current control
technology
Output current adjustable with range
5mA~60mA
Inter-chip output current deviation <±4%
Over temperature protection
Sharing PCB board with LED lamps
Excellence EMI performance
Simple circuit and low cost
Package：ESOP8、TO252-2
General Description
SM2082B is a single channel LED constant current driver which
integrates patented constant current setting and control technology. The
output current designed by external REXT is 5mA~60mA and it is invariant to
OUT output voltage change, which has better constant current performance.
It is a low cost circuit with simple circuit and less external components.
Pin Figure
Applications
T5/T8 LED tubes；
LED street lighting；
LED bulb lamp，LED ceiling lamp；
Diagram 1. SM2082B Each Package Pin Diagram
Pin Pin Function
OUT
GND
Power input and constant current output
GND
REXT
Output current setting port
Typical Schematic Circuit Diagram
220V~
Vin
LED1
C2
LEDn
1 OUT
2 GND
3 REXT
Rext
Diagram 2. SM2082B Typical Application Circuit
In diagram 2, the power can be AC or DC.
Tel: 0755 -27593075
Address: 3F,SSMEC Bldg.,15 South 1st Blvd.,South Area,Shenzhen H-igh tech Industrial Park,Nanshan Dist.,Shenzhen.
Note: The latest datasheet is subject to the web(www.dianyuanic.com).
-1-
Fax: 0755 -29031113
1 page  
GOSTON ELECTRONICS CO.,LTD
SM2082B Single Channel LED Constant Current Driver v1.6
(1) To ensure the normal operation, output voltage should be VOUT > VOUT_MIN；
(2) Lower output voltage brings higher system efficiency.
Basing on the two points above, SM2082 output voltage range is VOUT_MIN ~ VOUT_MAX and LED series
number formula is:
Vin
VOUT _ MAX
V LED
n
Vin
VOUT _ MIN
V LED
Tel: 0755 -27593075
Address: 3F,SSMEC Bldg.,15 South 1st Blvd.,South Area,Shenzhen H-igh tech Industrial Park,Nanshan Dist.,Shenzhen.
Note: The latest datasheet is subject to the web(www.dianyuanic.com).
-5-
Fax: 0755 -29031113
5 Page 
GOSTON ELECTRONICS CO.,LTD
TO252-2：
SM2082B Single Channel LED Constant Current Driver v1.6
Tel: 0755 -27593075
Address: 3F,SSMEC Bldg.,15 South 1st Blvd.,South Area,Shenzhen H-igh tech Industrial Park,Nanshan Dist.,Shenzhen.
Note: The latest datasheet is subject to the web(www.dianyuanic.com).
- 11 -
Fax: 0755 -29031113
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SM2082B.PDF ] | |
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