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SM2082B Datasheet Preview

SM2082B Datasheet

Single Channel LED Constant Current Driver

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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
PackageESOP8TO252-2
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 lampLED 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.
Mail: sale@sz-ledpower.cn
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




Linkage

SM2082B Datasheet Preview

SM2082B Datasheet

Single Channel LED Constant Current Driver

No Preview Available !

GOSTON ELECTRONICS CO.,LTD
SM2082B Single Channel LED Constant Current Driver v1.6
Limiting Values
The ambient temperature is 25°C if there is no special instruction.
Characteristic Parameters
Symbol
Output voltage
VOUT
Output current
IOUT
Operating current
TOPT
Storage temperature
TSTG
ESD withstand voltage
VESD
Range
-0.5V ~ +250V
1mA ~ 60mA
-40°C ~ +120°C
-50°C ~ +150°C
2KV
Thermal Resistance Parameters
Symbol
Explanation
ESOP8
TO252-2
Unit
RTHJA
Thermal
89.2
74.9 /W
resistance (1)*
Note(1)*The chip should be mounted on PCB board with 200mm2 copper (35um thick) to dissipate heat.
Electrical Operating Parameters
The ambient temperature is 25°C if there is no special instruction.
Parameters
Symbol
Conditions
Min Typ
Output voltage
VOUT_MIN
IOUT = 30mA
--
Output withstand
voltage
VOUT_BV
IOUT = 0
250 -
Output current
IOUT
-----
5-
Static current
VOUT = 10VREXT no
IDD - 0.16
connection
REXT output voltage
VREXT
VOUT = 10V
- 0.6
IOUT deviation
dIOUT
IOUT = 20mA
- ±4
Over-temperature
Protection point(2)*
TSC
-
- 110
Note(2)*:When the junction temperature is over 110 , the output current of SM2082B will be reduced.
Max
6.5
-
60
0.25
-
-
-
Unit
V
V
mA
mA
V
%
Mail: sale@sz-ledpower.cn
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).
-2-
Fax: 0755 -29031113


Part Number SM2082B
Description Single Channel LED Constant Current Driver
Maker Linkage
Total Page 11 Pages
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