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KP3311
KP3311 High-voltage linear regulator with input zero-crossing detection The KP3311 is a high-efficiency high-voltage linear regulator. Compared with traditional switching power supply solutions, it can convert high-voltage AC voltage into a stable 5V output without the need for power inductors and high-voltage input capacitors. Simultaneously, it provides a stable and reliable high-precision, low-latency input zero-crossing signal and input high/low voltage indication signals for MCU control. The KP3311 integrates a 600V high-voltage rectifier diode, a 650V power MOSFET, an input zero-crossing detection circuit, an input high/low voltage indication circuit, and a low-dropout regulator. This chip uses intelligent control technology to reduce system losses and effectively reduce system standby power consumption. The KP3311 integrates comprehensive protection functions: VDD undervoltage protection, VDD overvoltage protection, output overcurrent protection, output undervoltage protection, LDO current limiting protection, lightning surge protection, and built-in overtemperature protection. When the system encounters any of the above faults, the chip will enter an automatic recovery and restart mode until the fault is eliminated.
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- Product Description
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- Commodity name: KP3311
- 封装: ASOP-7 / SOP-8
- 品牌: Biyi Microelectronics
KP3311 High-voltage linear regulator with input zero-crossing detection The KP3311 is a high-efficiency high-voltage linear regulator. Compared with traditional switching power supply solutions, it can convert high-voltage AC voltage into a stable 5V output without the need for power inductors and high-voltage input capacitors. Simultaneously, it provides a stable and reliable high-precision, low-latency input zero-crossing signal and input high/low voltage indication signals for MCU control. The KP3311 integrates a 600V high-voltage rectifier diode, a 650V power MOSFET, an input zero-crossing detection circuit, an input high/low voltage indication circuit, and a low-dropout regulator. This chip uses intelligent control technology to reduce system losses and effectively reduce system standby power consumption. The KP3311 integrates comprehensive protection functions: VDD undervoltage protection, VDD overvoltage protection, output overcurrent protection, output undervoltage protection, LDO current limiting protection, lightning surge protection, and built-in overtemperature protection. When the system encounters any of the above faults, the chip will enter an automatic recovery and restart mode until the fault is eliminated.
Main Features
• Wide input voltage range: 80~305VAC
• High precision output voltage: 5V±2%
• High precision input voltage zero-crossing detection
• Integrated high and low input voltage indication signals
• Integrated 600V rectifier diode
• Integrated fast dynamic response
• Integrated self-recovery mode protection functions:
• Output undervoltage protection
• Output overload protection
• Output current limiting protection
• Built-in overheat protection
• Package type: ASOP-7/SOP-8
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