The LTC1872ES6#PBF is a constant frequency current mode step-up DC/DC controller in SOT-23 package manufactured by Analog Devices. It is a monolithic integrated circuit which is designed to generate a regulated output voltage from input voltages as low as 0.8 V. The device provides a constant frequency, current mode architecture with an internal high gain error amplifier, and 2.5 A switch. The versatility of this device features includes electronic soft-start, frequency synchronization, programmable peak current limit and multiple operating modes. It is suitable for applications such as noise sensitive systems, miniaturized portable electronics, distributed power systems, and high current buck-boost applications.