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NDP7202KC
Features - Primary-side control without optocoupler and secondary-side control circuit - PWM+PFM hybrid control - Built-in 800V power BJT - ±4% constant voltage and constant current accuracy across the entire voltage range - Typical no-load power consumption <75mW @230V - Built-in soft-start circuit - Built-in output line compensation - Built-in frequency jitter - Ultra-low start-up power consumption (<5uA) - Cycle-by-cycle overcurrent limiting - Dynamic transistor base drive - Suitable for power <11W - Built-in overcurrent protection, overvoltage protection, short-circuit protection, overtemperature protection, and other protection functions Application Areas - Travel chargers & adapters - Flyback converters
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- Product Description
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- Commodity name: NDP7202KC
- 封装: SOP-8
- 品牌: Xintan Micro
Features - Primary-side control without optocoupler and secondary-side control circuit - PWM+PFM hybrid control - Built-in 800V power BJT - ±4% constant voltage and constant current accuracy across the entire voltage range - Typical no-load power consumption <75mW @230V - Built-in soft-start circuit - Built-in output line compensation - Built-in frequency jitter - Ultra-low start-up power consumption (<5uA) - Cycle-by-cycle overcurrent limiting - Dynamic transistor base drive - Suitable for power <11W - Built-in overcurrent protection, overvoltage protection, short-circuit protection, overtemperature protection, and other protection functions Application Areas - Travel chargers & adapters - Flyback converters
Product Overview
NDP7202 is a high-performance switching power supply chip used for primary-side sampling and control. It integrates a power BJT and can be used in off-line switching power supply products within 11W. When operating in constant current mode, NDP7202 uses PFM control, while in constant voltage mode, it uses PWM+PFM control, achieving high-precision constant voltage and constant current control without any secondary sampling and control circuits. Additionally, NDP7202 incorporates input line voltage compensation and output line compensation for better voltage and current regulation.NDP7202 integrates numerous compensation and protection functions, simplifying the peripheral circuit, facilitating PCB layout and EMI design, improving system reliability, and reducing costs.
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Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
