LTM4645EY#PBF

The LTM4645EY#PBF is a point-of-load (POL) DC-DC converter specifically designed for powering FPGAs, ASICs and DSPs. It integrates a full-featured, high speed switching regulator and many protection features into a configurable 8 mm × 8 mm QFN package with 4 float tabs. The LTM4645EY#PBF is capable of supplying up to 15A of output current while achieving a peak efficiency of 93%.

The LTM4645EY#PBF belongs to the PMIC – Voltage Regulators – DC DC Switching Regulators category and is designed to work with a variety of input voltages, including 5V, 12V, 24V and 48V. It is capable of providing output voltages as low as 0.6V and up to 4.5V in 3V increments. The LTM4645EY#PBF also includes built-in overvoltage, overcurrent and over-temperature protection features that help ensure the reliability of the device and the safety of the system.

The LTM4645EY#PBF operates in either discontinuous or continuous conduction modes and is equipped with a high-efficiency digital control interface. This digital control allows the device to be configured for optimized performance over a wide range of operating conditions. It also enables real-time monitoring of power supply parameters such as input voltage and output current.

The LTM4645EY#PBF features a synchronous rectified buck controller with an integrated power MOSFET switch. This high-speed switching regulator delivers up to 15A of continuous output current with a programmable operating frequency up to 1.2 MHz and programmable burst mode operation. The output voltage can be adjusted via the internal voltage reference or an external voltage DAC.

The LTM4645EY#PBF also features integrated reverse current protection, as well as a wide variety of built-in protection features designed to prevent system damage or malfunction in the event of a fault or overload. These protection features include overvoltage, overcurrent and over-temperature protection, input UVLO, output UVLO and current limit.

Overall, the LTM4645EY#PBF is a versatile and highly efficient POL DC-DC converter designed to power today\'s FPGAs, ASICs and DSPs. It is easy to implement and configure thanks to its integrated digital control and built-in protection features. It offers an operating frequency up to 1.2 MHz and up to 15A of continuous output current, making it an excellent choice for powering space-constrained applications.