LT8310EFE#TRPBF

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The LT8310EFE#TRPBF is a P-channel integrated MOSFET synchronous buck controller that is ideal for isolated output power supply applications. This device integrates a 250V MOSFET, high-voltage controller, voltage reference, high-side current sense resistor and loop compensation in a cost-effective, thermally enhanced package. It provides accurate regulated output voltage by controlling the current in an external P-channel MOSFET for a wide range of switched-mode power supplies.

The LT8310EFE#TRPBF is designed for applications that require isolation between an input voltage source and the regulated output voltage. It can operate from an input supply of 9V to 250V making it ideal for power supply systems such as DC/DC telecommunication power supplies, uninterruptible power supplies (UPS), point-of-load supply power supplies, industrial power supplies, and computer supplies.

Application Field

The LT8310EFE#TRPBF can be used in a variety of applications including DC/DC power supply systems, uninterruptible power supplies, point-of-load supply systems, industrial power supplies, and computer supplies. It can operate from an input voltage of 9V to 250V allowing it to be used in high voltage applications. The device provides precise output voltage regulation and accurate current sensing for switched-mode power supplies. The wide input voltage range and precise output voltage regulation make the LT8310EFE#TRPBF ideal for hard-switching and soft-switching applications.

Working Principle

The LT8310EFE#TRPBF works by operating the P-channel external MOSFET in the synchronous buck topology. The current in the synchronous MOSFET is controlled by the controller, which sense the output voltage from the sense pin with the onboard voltage reference. The controller will adjust the PWM signal to the MOSFET gate to maintain the output at the desired voltage. The controller also helps protect the external MOSFET by detecting faults and turning it off when needed. The onboard current sense resistor and loop compensation components help to make the device easy to use.

The LT8310EFE#TRPBF provides wide input-voltage range and precise output voltage regulation which makes it ideal for isolated output power supply applications. The integrated P-channel MOSFET allows for high efficiency without the need for an external driver and the current protection feature helps to ensure long, safe operation. The device also requires only a few external components for basic setup and operation.

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