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Hybrid operation mode pulse width modulation (CCM/QR)Operating CCM under heavy load and low input voltage...
AN2320 is a high-performance QR primary controller, particularly suitable for charger applications. Under full load output conditions, AN2320 operates in quasi resonant mode throughout the entire input voltage range, achieving excellent efficiency and temperature rise performance.The use of AN2320 can work without any abnormal sound, while ensuring excellent dynamic performance. By utilizing the integrated line loss compensation function and the constant current compensation function of line voltage, high-performance constant voltage and constant current output performance can be achieved....
AN2215, It is a high-performance DCM primary controller, especially suitable for low-cost charger applications, with no abnormal sound, excellent dynamic response, optimized EMI performance, and built-in line loss compensation...
AN82410. Internally, there is a high-precision 65kHz switching frequency oscillator with frequency jitter function to optimize EMI performance. The chip operates in green energy-saving mode and burp mode, which can achieve standby power consumption of less than 75mW. Supporting DCM and CCM's original constant current technology, with a ± 5% constant current accuracy; ± 1% constant voltage accuracy...