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Our Products
We offer you a variety of product choices.
  • Products Description
    JW®1827 is an offline step-down LED controller adaptive for PWM dimming. 
    High output constant current accuracy is achieved with optimized sampling technics.  Critical conduction mode ensures high efficiency and good EMI performance. 
    JW1827 is supplied from line voltage directly without auxiliary winding and start-up circuitry, which can lower the system BOM cost. 
    JW1827 has multi-protection functions which largely enhance the safety and reliability of the system, including VDD UVLO, Vin UVLO, LED short protection and over-temperature protection.

  • Product Characteristics
    1.Supply From Line Directly
    2.Critical Conduction Mode
    3.Adaptive for PWM Dimming
    4.Optimized Dimming Performance
    5.0%~100% Dimming Range
    6.EMI Friendly
    7.LED Short Protection
    8.Vin UVLO
    9.Over Thermal Protection
    10. SOT23-6 package

  • Product Parameters
    1.Input:90~140Vac  Output:45V/600mA
    2.Input:175~264Vac Output:80V/600mA

  • Product Circuit Schematic
Software and hardware support
Title Type FileType Size( KB) Date
JW1827X?Design?Tool DESIGN TOOL Excel 165KB 2019.01.17
JW1827_S0_R0 DEMO PDF 361K 2019.01.16
Related Documents Download
Please send email to sales if you need full version of datasheet:
Eastchina:sales-eastchina@joulwatt.com
Southchina:sales-southchina@joulwatt.com
Sample Request
Sample Request
If you want to purchase Joulwatt products, please choose one of the following methods.
Method 1:Please call 0571-89807321-311
Method 2:Please attach Sample Request when sending email to samplerequest@joulwatt.com
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