LTC4425EMSE#PBF

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The LTC4425EMSE#PBF is a monolithic integrated circuit that belongs to the power management specialised field of PMIC (powermonitor management integrated circuit). It is available in a low profile 10-pin micro surface mount DFN package and offers significant improvements to its predecessors in terms of power efficiency, power loss and other operating characteristics.

LTC4425EMSE#PBF’s main functionality is to act as a synchronous buck-boost converter. It is used in device applications such as mass storage, processors, graphic cards, micro-controllers, power supplies and other power management needs. The part can operate in a wide range of temperatures, making it suitable for a range of commercial, industrial and automotive applications.

The product is designed to withstand a wide input voltage range from 3.7V to 20V, with a wide range of switching frequency from 300kHz to 3MHz. The integrated circuit starts operating as soon as it is placed in the system, which makes its initial setup and start-up quite seamless. Additionally, the part can be monitored via a dedicated pin or via I2C monitor.

When it comes to protecting the system, the LTC 4425EMSE#PBF offers a range of system protections. The protection features include an internal loop compensator, current limit and thermal shut-down, along with the integrated fault indicator and the over-temperature protection (OTP) subset.

The LTC4425EMSE#PBF works on a basic, straightforward principle. It uses voltage switching technology and constant frequency control to ensure efficient and steady power delivery. This makes it one of the most reliable and efficient solutions for powering DC-DC converters, especially when compared to more traditional solutions.

When it comes to efficiency, the integrated circuit offers a high peak efficiency of up to 97%. It does this by automatically converting the input voltage to the output voltage and providing a stable output voltage even with varying input voltage values. It also has an internal MOSFET driver, a P-channel MOSFET, boost diode, input and output capacitor and soft start enable. All these features make the overall performance of the LTC4425EMSE#PBF robust and reliable.

In summary, the LTC4425EMSE#PBF is a versatile integrated circuit belonging to PMIC’s power management specialised field. With its high efficiency and constant frequency control, it is one of the most reliable and efficient solutions for powering DC-DC converters. Its wide input voltage range, together with robust protection and reduced power losses, make it suitable for a range of commercial, industrial and automotive applications.

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