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KP1466
KP1466 PWM Dimming, Buck, High Power Factor LED Constant Current Controller KP1466 is a highly integrated constant current LED controller. The chip adopts quasi-resonant operating mode and active power factor correction control technology to meet the performance requirements of high power factor, low harmonic distortion, and high efficiency. KP1466 integrates a high-voltage power supply circuit internally, simplifying system design and production costs. Through its unique constant current control algorithm, the chip can achieve high-precision constant current output, with excellent line voltage and load regulation performance. KP1466 also integrates unique dimming technology, capable of providing high-precision PWM signal dimming. KP1466 integrates comprehensive protection functions to ensure safe and reliable system operation, such as: Cycle-by-Cycle Current Limit (OCP), Over-Temperature Protection (OTP), Output Over-Voltage Protection (OVP), LED Open Circuit and Short Circuit Protection, etc.
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- Product Description
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- Commodity name: KP1466
- 封装: SOP-8
- 品牌: Biyi Microelectronics
KP1466 PWM Dimming, Buck, High Power Factor LED Constant Current Controller KP1466 is a highly integrated constant current LED controller. The chip adopts quasi-resonant operating mode and active power factor correction control technology to meet the performance requirements of high power factor, low harmonic distortion, and high efficiency. KP1466 integrates a high-voltage power supply circuit internally, simplifying system design and production costs. Through its unique constant current control algorithm, the chip can achieve high-precision constant current output, with excellent line voltage and load regulation performance. KP1466 also integrates unique dimming technology, capable of providing high-precision PWM signal dimming. KP1466 integrates comprehensive protection functions to ensure safe and reliable system operation, such as: Cycle-by-Cycle Current Limit (OCP), Over-Temperature Protection (OTP), Output Over-Voltage Protection (OVP), LED Open Circuit and Short Circuit Protection, etc.
Main Features
• PWM dimming function
• 15mW ultra-low standby power consumption
• Dimming depth <3%
• Full voltage power factor >0.9
• Integrated high-voltage power supply circuit
• No VDD, COMP capacitor design
• Quasi-resonant mode high-efficiency operation
• ±3% constant current accuracy @100% ILED
• Excellent line voltage and load regulation
• Internal protection functions:
• Continuously adjustable output overvoltage protection (OVP)
• Cycle-by-cycle current limiting (OCP)
• Leading edge blanking (LEB)
• LED open and short circuit protection
• Overtemperature protection (OTP)
• Package type SOP-8
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