UC3823DWTR

The UC3823DWTR from Texas Instruments is an AC/DC switching regulator, specifically a PWM controller optimized for high-frequency switched-mode power supply applications. It supports multiple topologies including Boost, Buck, Flyback, and Forward configurations, offering flexibility in design.

Key electrical specifications include an operating voltage range of 8.4V to 30V, a maximum switching frequency of 1MHz, and a 100% duty cycle. It provides essential control features such as frequency control and soft start, along with fault protection through current limiting. The device also features a typical peak output current of 1.5A and a trimmed bandgap reference of 5.1V ±1%.

This component is housed in a 16-SOIC package with a surface mount type, suitable for standard PCB assembly. The operating temperature range is from 0°C to 70°C. Its non-isolated output and internal switch configuration make it suitable for various power conversion designs where external switching components are utilized.

The UC3823 family is designed to minimize propagation delays and maximize bandwidth, ensuring efficient operation. Protection circuitry includes a current limit comparator and a soft start pin that also acts as a maximum duty cycle clamp. The logic is fully latched to prevent multiple pulses at the output.