The LP20R045S with Switching Controllers SOP-7L RoHS is a programmable DC/DC converter manufactured by Chip Hope. It features a wide operating range of input voltage, including 3.3V, 5V or 12V, and a maximum output current of 4A. It is housed in an industry-standard SOP7-L package with a 7-pin layout and is designed for RoHS compliance. The chip has a host of features, including adjustable output voltage and current, current protection, soft-start, and over-temperature protection, and is suitable for digital-control power supply applications.