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KP1313
KP1313 High-efficiency quasi-resonant, primary-side constant current LED controller KP1313 is a high-performance quasi-resonant, primary-side controlled LED controller that provides high-precision constant current output performance, especially suitable for medium and high-power isolated luminaire power supplies. KP1313 uses a constant current loop to achieve quasi-resonant control, and the valley conduction working mechanism can greatly reduce switching losses, improve efficiency, and improve EMC. The chip integrates line voltage and load voltage constant current compensation to obtain excellent line voltage and load regulation rate. KP1313 integrates multiple protection functions: VDD undervoltage protection (UVLO), VDD overvoltage protection (OVP), overtemperature protection (OTP), cycle-by-cycle current limiting protection (OCP), LED open and short circuit protection, etc.
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- Product Description
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- Commodity name: KP1313
- 封装: SOT23-6L
- 品牌: Biyi Microelectronics
KP1313 High-efficiency quasi-resonant, primary-side constant current LED controller KP1313 is a high-performance quasi-resonant, primary-side controlled LED controller that provides high-precision constant current output performance, especially suitable for medium and high-power isolated luminaire power supplies. KP1313 uses a constant current loop to achieve quasi-resonant control, and the valley conduction working mechanism can greatly reduce switching losses, improve efficiency, and improve EMC. The chip integrates line voltage and load voltage constant current compensation to obtain excellent line voltage and load regulation rate. KP1313 integrates multiple protection functions: VDD undervoltage protection (UVLO), VDD overvoltage protection (OVP), overtemperature protection (OTP), cycle-by-cycle current limiting protection (OCP), LED open and short circuit protection, etc.
Main Features
• High-efficiency quasi-resonant operating mode
• Supports dual-winding primary feedback design, simplified periphery
• ±3% high constant current accuracy
• Ultra-low operating current
• Integrated constant current compensation for line voltage and load voltage
• SOT23-6L package
• Integrated comprehensive protection functions:
• Output overvoltage protection (OVP)
• VDD undervoltage protection (UVLO)
• Cycle-by-cycle current limiting protection (OCP)
• LED open and short circuit protection
• Overtemperature protection (OTP)
• Leading edge blanking (LEB)
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