JW1983 Datasheet | JoulWatt Technology

DESCRIPTION JW®1983 is an ultra-high-voltage linear constant-power LED driver with a maximum input voltage of 700V, which is suitable for driving high-voltage low-current LED loads. The application solution has very few external ponents and pact layout, and can be easily and flexibly applied to various small-size or flat LED products. JW1983 can provide 5 ~ 150m A constant current. JW1983 integrated Multiplier, greatly improved the power factor and ultra-low THD of the system (meeting the highest IEC standard). At the same time, the simple linear drive method does not require magnetic ponents, which can effectively avoid the problem of EMI interference. JW1983 adopts closed-loop control method to achieve constant output current control, and has excellent line regulation and load regulation to ensure constant output average current within a certain input voltage range. JW1983 also monitors the line voltage in real time to achieve the effect of inputting constant power. In order to prevent the IC from overheating, the JW1983 integrates an intelligent temperature control pany’s Logo is Protected, “JW” and “JOULWATT” are Registered Trademarks of Joul Watt technology Inc. function. When the internal junction temperature of the IC rises to 135 °C, the JW1983 starts to reduce the output current. FEATURES - De-p capacitor closed-loop control - Excellent line regulation - Input and output constant power - Maximum 150m A peak output current - ±5% output current accuracy - Multiple ICs can be used in parallel to meet large current output - High power factor and ultra-low THD - Very few external ponents - LED open and short protection - Intelligent over-temperature protection function - ESOP-8 package APPLICATIONS - LED bulb light - LED tube light - Other LED lights TYPICAL APPLICATION LED1 LED2 LED3 LED4 FR1 RBS1 1 VDD D1 8 2 PWM 3 VBS E-PAD GND D2 7 D3 6 4 CS D4 5 C2 RBS2 Rcs C1 JW1983 Rev.0.1 Joul Watt® Proprietary Information. Patent...