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KP35026
KP35026 Low-cost, fast dynamic response offline PWM control power switch KP35026 is a high-performance, low-cost PWM control power switch suitable for applications powered by 3.3V. It features a simple external circuit and a small number of components. The IC also incorporates a high-voltage MOSFET to improve the system's surge tolerance. Unlike traditional PWM controllers, the KP35026 does not have a fixed clock to drive the MOSFET. The system switching frequency automatically adjusts with changes in load. The chip uses multi-mode PWM control technology and dynamic response optimization circuitry to effectively improve dynamic response, optimize line regulation and load regulation, and significantly reduce audible noise during system operation. In addition, the internal peak current detection threshold automatically adjusts according to the actual load, effectively reducing standby power consumption under no-load conditions. KP35026 integrates comprehensive protection functions with self-recovery capabilities: VDD undervoltage protection, output overvoltage protection, cycle-by-cycle current limiting, abnormal overcurrent protection, overtemperature protection, and overload protection.
Category：
- Product Description
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- Commodity name: KP35026
- 封装: SOP-4
- 品牌: Biyi Microelectronics
KP35026 Low-cost, fast dynamic response offline PWM control power switch KP35026 is a high-performance, low-cost PWM control power switch suitable for applications powered by 3.3V. It features a simple external circuit and a small number of components. The IC also incorporates a high-voltage MOSFET to improve the system's surge tolerance. Unlike traditional PWM controllers, the KP35026 does not have a fixed clock to drive the MOSFET. The system switching frequency automatically adjusts with changes in load. The chip uses multi-mode PWM control technology and dynamic response optimization circuitry to effectively improve dynamic response, optimize line regulation and load regulation, and significantly reduce audible noise during system operation. In addition, the internal peak current detection threshold automatically adjusts according to the actual load, effectively reducing standby power consumption under no-load conditions. KP35026 integrates comprehensive protection functions with self-recovery capabilities: VDD undervoltage protection, output overvoltage protection, cycle-by-cycle current limiting, abnormal overcurrent protection, overtemperature protection, and overload protection.
Main Features
• Fixed output 3.3V
• Fast dynamic response, meeting WIFI power supply requirements
• No-load standby power consumption below 20mW
• Integrated freewheeling diode
• Integrated 500V high-voltage MOSFET and high-voltage startup circuit
• Maximum 45kHz switching frequency
• Multi-mode control, noiseless operation
• Supports buck and buck-boost topologies
• Good line regulation and load regulation
• Integrated soft-start circuit
• Built-in protection functions:
• Overload protection (OLP)
• Cycle-by-cycle current limit (OCP)
• Abnormal overcurrent protection (AOCP)
• Output overvoltage protection (OVP)
• Overtemperature protection (OTP)
• Package type SOP-4
Product Message
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