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KP1255
KP1255 High-precision boost-type active power factor correction LED driver controller KP1255 is a highly integrated boost-type LED driver controller. The chip adopts a quasi-resonant operating mode, and with active power factor correction control technology, it can meet the performance requirements of high power factor, low harmonic distortion, and high efficiency. KP1255 integrates demagnetization signal detection technology, and integrates a 650V high-voltage startup and power supply circuit. It does not require an auxiliary winding to detect demagnetization and power supply, simplifying system design and production costs. The chip integrates high-precision current sampling technology and high-precision output current reference voltage, and has good constant current output characteristics. KP1255 integrates complete protection functions to ensure the safe and reliable operation of the system, such as: cycle-by-cycle current limit (OCP), over-temperature protection (OTP), output over-voltage protection (OVP), etc.
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- Product Description
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- Commodity name: KP1255
- 封装: SOP-8
- 品牌: Biyi Microelectronics
KP1255 High-precision boost-type active power factor correction LED driver controller KP1255 is a highly integrated boost-type LED driver controller. The chip adopts a quasi-resonant operating mode, and with active power factor correction control technology, it can meet the performance requirements of high power factor, low harmonic distortion, and high efficiency. KP1255 integrates demagnetization signal detection technology, and integrates a 650V high-voltage startup and power supply circuit. It does not require an auxiliary winding to detect demagnetization and power supply, simplifying system design and production costs. The chip integrates high-precision current sampling technology and high-precision output current reference voltage, and has good constant current output characteristics. KP1255 integrates complete protection functions to ensure the safe and reliable operation of the system, such as: cycle-by-cycle current limit (OCP), over-temperature protection (OTP), output over-voltage protection (OVP), etc.
Main Features
• ±3% High precision constant current control
• Single-stage active power factor correction technology
• No VDD, COMP capacitor design
• Integrated 650V high voltage start-up and power supply circuit
• No VDD, COMP capacitor design
• OTP adjustable by binning
• Quasi-resonant mode high-efficiency operation
• Excellent line and load regulation
• Internal protection functions:
• Output overvoltage protection (OVP)
• Cycle-by-cycle current limit (OCP)
• Leading edge blanking (LEB)
• Over-temperature protection (OTP)
• Package type SOP-8
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