Constant Current Led Driver 700ma

constant current led driver 700ma Constant current LED drivers are designed for a designated range of output voltages and a fixed output current (mA). LEDs that are rated to operate on a constant current driver require a designated supply of current usually specified in milliamps or amps. These...

Product Details

constant current led driver 700ma

Constant current LED drivers are designed for a designated range of output voltages and a fixed output current (mA). LEDs that are rated to operate on a constant current driver require a designated supply of current usually specified in milliamps or amps. These drivers vary the voltage along an electronic circuit which allows current to remain constant throughout the LED system. 


SMARTS specialize in 3 kinds of dimmable constant current led drivers, they are triac dimmable driver, 0-10v dimmable driver, and DALI dimmable driver, and supply vary of output current with 300ma, 350ma, 700ma, 900ma, 1200ma 1400ma and so on.. 


Taking our triac dimmable constant current led driver 700ma as example. 


Specification:                                                                                                                   

Model

SMT-045-0320CT

SMT-032-0320CT

SMT-014-0700CT

SMT-025-0700CT

Output

DC Current

320mA

320mA

700mA

700mA

Current Accuracy

±5%

Voltage Range

25~45V

15~32V

7~14V

10~25V

Rated power

14W

10W

10W

17.5W

Input

Voltage Range

170~250VAC/(90-130VAC For North America Markets )

Frequency Range

47~63HZ

Power Factor (Typ.)

PF≧0.92/110V ; PF≧0.95/220V ; PF≧0.93/250V

Full Load Efficiency(Typ.)

85%

86%

85%

85%

AC Current(Typ.)

0.14A/110VAC  0.12 A/220VAC  0.01A/250VAC

Leakage current

<0.27mA/110VAC; ﹤0.25mA/220VAC

Protection

Short Circuit

Hiccup mode, recovers automatically after fault condition

is removed.

Over voltage

≦270VAC

Environment

Working TEMP.

-40~+60℃

Working Humidity

20~90%RH,non-condensing

Storage TEM.,Humidity

-40~+80℃,10~95%RH

TEMP.coefficient

±0.03%/℃(0~50℃)

Vibration

10~500Hz,2G 10min./1 cycle,period for 60min.

each along X,Y,Z  axes

Safety&EMC

Safety standards

EN-60950-1, EN-61347-1-2

Withstand voltage

I/P-O/P:3.75KVAC  

Isolation resistance

I/P-O/P:100MΩ/500VDC/25℃/70%RH

EMC EMISSION

Compliance toEN55015,EN61000-3-2 (≧50%load)

EMC IMMUNITY

Compliance to EN55015,EN61000-4-2,3,4,5,6,8,11,A light industry 

level (surge4KV)

Others

Weight

0.16Kg/pcs

Size

140*45*28mm  

mmm(L*W*H)

packing

324*298*176mm

Notes

1. All parameters NOT specially mentioned are measured at 110V/230VAC input , rated load and

    25℃of ambient temperature.

2. Ripple& noise are measured at 20MHz of bandwidth by using a 12”twisted pair-wire terminated with a

    0.1uf &47uf parallel capacitor.

3.  Tolerance:includes set us tolerance,line regulation and load regulation .


Drawing of constant current driver 700ma: 

constant current led driver 700ma.png


How to choose a correct constant current led driver for your LEDs? 

1). Firstly, pls confirm what's the spec of your LEDs? like output voltage and current. 

2). Secondly, how do you plan to connect them? in parrel or series? 

3). Thirdly, pls confirm if you need dimmable driver or non dimmable drivers? 

In a words, for constant current LED driver, the output current is constant, and the LED voltage range must be within this range for driver to operate.


Anyway, if you have any requirements or questions on your LEDs applications, pls contact us!


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