The UC3842M/TR with Switching Controllers SOP-8 RoHS manufactured by HGSEMI is a pulse width modulation (PWM) switching controller. It is designed to provide excellent line and load regulation. The world-class high-performance includes features like low start-up current, adjustable oscillator frequency, and option for current limit. The UC3842M/TR offers a frequency up to 150kHz and an adjustable duty cycle up to 100%. It is an RoHS-compliant, SOP-8, and surface-mount device. It is ideally suited for low-cost offline and DC-to-DC fixed-frequency current-mode control schemes with a minimum frequency of 25 kHz.