The LT1359CSTRPBF is a 13V, 3A, Adjustable/Programmable Frequency Step-Down DC/DC Converter with Shutdown/Enable from Analog Devices. It has a switching frequency range from 300kHz to 2MHz, a maximum input voltage of 18V, and an adjustable current limit. It also has a 3.3V reference voltage output, and a soft-start feature. The LT1359CSTRPBF is offered in a 16-lead power SSOP package, making it easy to integrate into space-restricted applications. It has excellent thermal performance and is ideal for automotive, industrial, computing, and communication applications.