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KP36674(P)
KP36674(P) Highly integrated, offline current mode PWM control power switch KP36674(P) is a high-performance secondary-side controlled PWM power switch for offline flyback power supply design. The IC also integrates a high-voltage MOSFET to improve the system's surge tolerance. KP36674(P) has a built-in high-precision 132kHz switching frequency oscillator with a spread spectrum function to optimize EMI performance. The chip operates in green energy-saving mode and hiccup mode, and has a high-voltage self-start function, eliminating the need for a start-up resistor; the chip's internal peak current detection threshold automatically adjusts according to the actual load, effectively reducing standby power consumption under no-load conditions, ensuring standby power consumption of less than 50mW (auxiliary winding power supply). KP36674(P) integrates complete protection functions, including: overload protection (OLP), input undervoltage protection (BOP), VDD overvoltage protection (VDD OVP), VDD undervoltage protection (VDD UVLO), cycle-by-cycle current limit (OCP), abnormal overcurrent protection (AOCP), overtemperature protection (OTP), soft start, leading edge blanking (LEB), and VDD clamping (VDD Clamp).
Category：
- Product Description
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- Commodity name: KP36674(P)
- 封装: DIP-7 / SOP-7 / SMP-7
- 品牌: Biyi Microelectronics
KP36674(P) Highly integrated, offline current mode PWM control power switch KP36674(P) is a high-performance secondary-side controlled PWM power switch for offline flyback power supply design. The IC also integrates a high-voltage MOSFET to improve the system's surge tolerance. KP36674(P) has a built-in high-precision 132kHz switching frequency oscillator with a spread spectrum function to optimize EMI performance. The chip operates in green energy-saving mode and hiccup mode, and has a high-voltage self-start function, eliminating the need for a start-up resistor; the chip's internal peak current detection threshold automatically adjusts according to the actual load, effectively reducing standby power consumption under no-load conditions, ensuring standby power consumption of less than 50mW (auxiliary winding power supply). KP36674(P) integrates complete protection functions, including: overload protection (OLP), input undervoltage protection (BOP), VDD overvoltage protection (VDD OVP), VDD undervoltage protection (VDD UVLO), cycle-by-cycle current limit (OCP), abnormal overcurrent protection (AOCP), overtemperature protection (OTP), soft start, leading edge blanking (LEB), and VDD clamping (VDD Clamp).
Main Features
• Integrated 700V high-voltage MOSFET
• Integrated sampling resistor, high-voltage startup circuit
• Fixed 132kHz switching frequency
• Compatible with flyback isolated and non-isolated applications
• ±1% constant voltage accuracy
• Standby power consumption <50mW (with auxiliary winding)
• Standby power consumption <150mW (without auxiliary winding)
• Green energy-saving mode and hiccup mode operation
• Noiseless operation throughout the entire working range
• Integrated frequency dithering function to optimize EMI
• Integrated protection functions:
• Overload protection (OLP)
• Input undervoltage protection (BOP)
• VDD overvoltage protection (VDD OVP) and clamping (VDD Clamp)
• VDD undervoltage protection (VDD UVLO)
• Cycle-by-cycle current limit (OCP)
• Abnormal overcurrent protection (AOCP)
• Overtemperature protection (OTP)
• Package type: DIP-7 / SOP-7 / SMP-7
Product Model Topology Maximum Power Operation Output Withstand Voltage On-Resistance Startup Efficiency Standby Power Consumption VDDmax Maximum Frequency Package (W) Mode Characteristics (Ω) Method Standard (mW) (V) (kHz) KP36674 Flyback 9 DCM&CCM CV 700V MOS 6 High Voltage Startup Six-level <50 / <150 30 132 SOP-7 KP36674 Flyback 10 DCM&CCM CV 700V MOS 6 High Voltage Startup Six-level <50 / <150 30 132 DIP-7 KP36674P Flyback 10 DCM&CCM CV 700V MOS 6 High Voltage Startup Six-level <50 / <150 30 132 SMP-7
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