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KP36572
KP36572 High-frequency, highly integrated, offline current mode PWM control power switch KP36572 is a high-performance, low-noise, highly integrated current mode secondary-side controlled PWM power switch designed for offline flyback power supplies. It integrates a 700V MOSFET to enhance system surge tolerance and features up to 8kV human body model ESD protection to significantly improve product reliability. KP36572 incorporates a high-precision 132kHz switching frequency oscillator with frequency dithering to optimize EMI performance. The chip features smooth frequency adjustment technology to effectively reduce power supply system operating noise and output voltage ripple. The integration of a high-voltage startup circuit and built-in sampling resistor significantly simplifies the external components. The chip operates in green energy-saving mode and hiccup mode, ensuring standby power consumption below 150mW. KP36572 integrates comprehensive protection functions, including: overload protection (OLP), VDD undervoltage protection (VDD UVLO), cycle-by-cycle current limiting (OCP), abnormal overcurrent protection (AOCP), overtemperature protection (OTP), soft start, leading edge blanking (LEB), and VDD clamping.
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- Product Description
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- Commodity name: KP36572
- 封装: DIP-7
- 品牌: Biyi Microelectronics
KP36572 High-frequency, highly integrated, offline current mode PWM control power switch KP36572 is a high-performance, low-noise, highly integrated current mode secondary-side controlled PWM power switch designed for offline flyback power supplies. It integrates a 700V MOSFET to enhance system surge tolerance and features up to 8kV human body model ESD protection to significantly improve product reliability. KP36572 incorporates a high-precision 132kHz switching frequency oscillator with frequency dithering to optimize EMI performance. The chip features smooth frequency adjustment technology to effectively reduce power supply system operating noise and output voltage ripple. The integration of a high-voltage startup circuit and built-in sampling resistor significantly simplifies the external components. The chip operates in green energy-saving mode and hiccup mode, ensuring standby power consumption below 150mW. KP36572 integrates comprehensive protection functions, including: overload protection (OLP), VDD undervoltage protection (VDD UVLO), cycle-by-cycle current limiting (OCP), abnormal overcurrent protection (AOCP), overtemperature protection (OTP), soft start, leading edge blanking (LEB), and VDD clamping.
Main Features
• Integrated 700V high-voltage MOSFET
• Integrated sampling resistor, high-voltage startup circuit
• Maximum 132kHz switching frequency
• ±1% constant voltage accuracy
• Standby power consumption <150mW
• Noiseless operation throughout the entire process
• Green energy-saving mode and hiccup mode operation
• Ultra-low startup and operating current
• Integrated frequency dithering function to optimize EMI
• Integrated built-in protection functions:
• Overload protection (OLP)
• Cycle-by-cycle current limit (OCP)
• Abnormal overcurrent protection (AOCP)
• Built-in overtemperature protection (OTP)
• Leading edge blanking (LEB)
• VDD undervoltage protection (VDD UVLO)
• Package type DIP-7
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Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
