BUY UC3842BNG https://www.utsource.net/itm/p/11190230.html
IC REG CTRLR BST FLYBK ISO 8-DIP
UC3842BNG is an integrated circuit (IC) of the UC3842 family of pulse width modulation (PWM) controllers. It is a monolithic high performance control circuit that is designed to offer improved performance and lower external parts count when implemented for controlling all types of switching power supplies. Description: The UC3842BNG is a current-mode PWM controller with an adjustable oscillator and a wide range of operating frequencies. It has an on-chip error amplifier, a temperature compensated reference, and a high gain comparator. The IC also includes an internal soft-start circuit, an under-voltage lockout circuit, and a current sense amplifier. Features: Adjustable oscillator frequency Internal soft-start Under-voltage lockout Current sense amplifier High gain comparator Temperature compensated reference Output current up to 1.5A Applications: The UC3842BNG is suitable for use in a wide range of switching power supply applications including AC/DC converters, DC/DC converters, and DC/AC inverters. It is also suitable for use in motor control applications. (For reference only)