LT3798MPMSE#TRPBF

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LT3798MPMSE#TRPBF belongs to the family of PMIC – AC DC converters, offline switchers. This particular model is designed to regulate, control and monitor the power supply conditions of a particular system. It offers current-mode, fixed frequency, and over-temperature protection features that ensure a reliable, consistent and safe operation.

LT3798MPMSE#TRPBF features a peak-current mode controller, a 0.5A Power MOSFET, a start-up power regulator, a power sense amplifier and a tiny frequency set DAC. This combination makes it a great offline switcher ideal for applications where a tight regulation is required. The peak-current mode control allows for fast response, high ripple rejection and soft-starting performance to optimise the circuit switching.

The 0.5A Power MOSFET, or Metal Oxide Semiconductor Field-Effect Transistor, is a type of transistor manufactured from metal oxides instead of polysilicon. This makes it more reliable than poly-level transistors due to its improved switching speed, lower on-state resistance, and fewer process complications.

The start-up power regulator helps to reduce the start-up stress by controlling the on-time of the power MOSFET. This maximises the efficiency of the power supply, improves the output ripple performance and provides greater reliability.

The power sense amplifier is used to detect the output power, enabling the LT3798MPMSE#TRPBF to precisely regulate the current across the output. This greatly reduces unnecessary power consumption while also improving efficiency by eliminating over-current protection.

The tiny frequency set DAC is a small chip that allows the user to adjust the operating frequency of the LT3798MPMSE#TRPBF for different applications needs. This is essential for ensuring compatibility with various system requirements by providing the option to tweak the device’s frequency range.

Lastly, the LT3798MPMSE#TRPBF also offers an over-temperature protection feature to ensure that it does not overheat or get damaged due to shortage of current or excessive power demands. This is achieved by restricting the operating temperature range to prevent dangerous overloads.

Overall, this PMIC is packed with a powerful combination of features that allow it to be used in a variety of applications. The peak-current mode control, 0.5A Power MOSFET, start-up power regulator, power sense amplifier, and tiny frequency set DAC make the LT3798MPMSE#TRPBF is an ideal choice for applications that require tight and reliable power supply regulation.

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