LTC3875IUH#PBF

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LTC3875IUH#PBF is one of the most popular DC DC switching controllers from Linear Technology. It is designed for synchronous current mode buck-boost switching regulators and is ideal for offline and isolated AC/DC power supply applications. The device is offered in a narrow body 8-lead SSOP package and provides increased efficiency and simple power supply design.

The LTC3875IUH#PBF provides current mode control with a single resistor setting the operating frequency up to 400 kHz. The sense voltage is provided by an external resistor divider. The device uses synchronous rectification to reduce losses and provide improved efficiency.

The LTC3875IUH#PBF has a bandwidth of 15 μs, allowing it to detect sudden load transients and maintain steady output voltage at all times. Fault status is indicated by an FAULT pin and the thermal shutdown feature eliminates the need for a separate thermal switch.

The device also features peak current reduction circuitry enabling the use of smaller external MOSFETs and inductors for higher efficiency. The device requires only a single input voltage for operation, making it easier to use in single-input applications. It can also be configured to operate in buck, boost, or inverting buck-boost modes.

The LTC3875IUH#PBF is a very versatile device with a variety of applications. It is well suited for powering microprocessors, DSPs, ASICs, FPGAs, and other power-hungry applications. It can also be used for designing automotive, communication, industrial and consumer power supplies, LED lighting and flame effect applications.

In conclusion, the LTC3875IUH#PBF is a very efficient and reliable DC/DC switching controller. It is easy to use, allowing designers to quickly design power supplies with increased efficiency and simple control. The device also offers a range of features, making it ideal for a variety of applications.

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