The LT1625IS#PBF is an integrated Step-Down/Step-Up/Step-Down DC-DC converter manufactured by Analog Devices, with a fixed output voltage of 3.9V-36V. It comes in a small SO-16 package and is RoHS compliant. The device offers programmability and high efficiency, making it ideal for applications where efficiency is critical. It has an adjustable switching frequency up to 700kHz, allowing it to be optimized for a wide range of applications. The LT1625IS#PBF also features a low-noise mode and an externally synchro-able oscillator, making it suitable for noise-sensitive applications. Additionally, the device has built-in protection features including short-circuit, overtemperature, undervoltage, and overvoltage protection.