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KP206B
KP206B Integrated constant current mode and high-voltage start-up current mode PWM controller KP206B is a high-performance current mode PWM controller for offline flyback converters. The chip integrates a universal primary-side constant current control technology, which supports discontinuous mode and continuous mode operation, eliminating the need for an additional constant current loop. It is suitable for isolated power supply applications with constant current requirements. KP206B has a built-in high-precision 65kHz switching frequency oscillator with a spread spectrum function to optimize EMI performance. The chip operates in green energy-saving mode and hiccup mode, with standby power consumption less than 50mW, meeting the requirements of Level VI energy efficiency. KP206B integrates complete protection functions, including: VDD undervoltage protection (VDD UVLO), VDD overvoltage protection (VDD OVP), output overvoltage protection (CS OVP), cycle-by-cycle current limit (OCP), overload protection (OLP), short-circuit protection (SLP), overtemperature protection, soft start, leading edge blanking (LEB), and VDD clamping.
Category：
- Product Description
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- Commodity name: KP206B
- 封装: SOP-8
- 品牌: Biyi Microelectronics
KP206B Integrated constant current mode and high-voltage start-up current mode PWM controller KP206B is a high-performance current mode PWM controller for offline flyback converters. The chip integrates a universal primary-side constant current control technology, which supports discontinuous mode and continuous mode operation, eliminating the need for an additional constant current loop. It is suitable for isolated power supply applications with constant current requirements. KP206B has a built-in high-precision 65kHz switching frequency oscillator with a spread spectrum function to optimize EMI performance. The chip operates in green energy-saving mode and hiccup mode, with standby power consumption less than 50mW, meeting the requirements of Level VI energy efficiency. KP206B integrates complete protection functions, including: VDD undervoltage protection (VDD UVLO), VDD overvoltage protection (VDD OVP), output overvoltage protection (CS OVP), cycle-by-cycle current limit (OCP), overload protection (OLP), short-circuit protection (SLP), overtemperature protection, soft start, leading edge blanking (LEB), and VDD clamping.
Main Features
• Integrated high-voltage startup function
• Supports primary-side constant current technology in discontinuous and continuous modes
• ±5% constant current accuracy; ±1% constant voltage accuracy
• Standby power consumption <50mW
• Built-in slope compensation current mode control
• Fixed 65kHz switching frequency
• Frequency jitter function optimizes EMI
• Green energy-saving mode and hiccup mode operation
• Ultra-low startup and operating current
• Integrated self-recovery mode protection functions:
• VDD undervoltage protection (VDD UVLO)
• VDD overvoltage protection (VDD OVP)
• Output overvoltage protection (CS OVP)
• Short circuit protection (SCP)
• Cycle-by-cycle current limit
• Overload protection (OLP)
• Leading edge blanking (LEB)
• Package type SOP-8
Product Message
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Official Account
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Company Address：
Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
