LT3512IMS#PBF

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The LT3512IMS#PBF device is a DC-DC switching voltage regulator. It integrates a high-side N-channel MOSFET and a low-side N-channel MOSFET with a dedicated integrated circuit, providing very high efficiency DC-DC conversion. It provides two internal current sense amplifiers for monitoring two external MOSFET currents. The device is designed to be used in power supplies, battery charging systems and in other applications where a regulated output is required from an unregulated input voltage.

The LT3512IMS#PBF has an adjustable output voltage range of 0.775V to 5V, and can deliver a maximum output current of 12A. The operating temperature range is -40°C to +125°C. It is available in a 16-lead, 3mm x 3mm, plastic DFN package.

The working principle of the LT3512IMS#PBF is simple. The output voltage is converted from a regulated input voltage by alternately switching the MOSFETs. The internal current sense amplifiers monitor the MOSFET currents, and adjusts the duty cycle of the MOSFETs to maintain the set output voltage. The switching frequency is also adjustable, usually from 1kHz to 1MHz. The frequency can also be synchronized with an external signal.

The LT3512IMS#PBF has a wide range of applications such as portable battery chargers, USB power supplies, DC-DC converters, motor controllers and other systems where efficient power conversion is needed. It is suitable for applications that require limited size and high efficiency.

The LT3512IMS#PBF offers very high efficiency, up to 95%, and is capable of providing 12A output current with excellent load and line regulation. The device also has excellent thermal management features such as current limit, over temperature shut-off, and thermal sensing. With its high efficiency and low operating current draw, the LT3512IMS#PBF is an excellent choice for high power, low noise applications.

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