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BUY UC3844BN https://www.utsource.net/itm/p/1893262.html
HIGH PERFORMANCE CURRENT MODE CONTROLLERS
The UC3844BN is an 8-pin DIP integrated circuit (IC) manufactured by ON Semiconductor. It is a high performance current mode PWM controller designed for off-line and DC-to-DC converter applications. Description: The UC3844BN is a high performance current mode PWM controller designed for off-line and DC-to-DC converter applications. It is capable of controlling both single ended and push-pull converter topologies. It features a wide range of operating frequency, low start-up current, and a precision reference with under voltage lockout. Features: Wide operating frequency range: 10kHz to 500kHz Low start-up current: typically 0.5mA Precision reference with under voltage lockout Internal soft-start Internal oscillator Programmable dead time Programmable oscillator frequency Programmable current limit Programmable soft-start time Programmable leading edge blanking Programmable output voltage Applications: Off-line SMPS DC-to-DC converters Battery chargers Motor control (For reference only)