LT3481EDD#PBF

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The LT3481EDD#PBF is a DC/DC switching regulator from Linear Technology (LT). It is designed to provide a wide input voltage range and high output current capabilities. This device is ideal for use in a variety of applications, from automotive to industrial systems and provides efficient, accurate, and reliable power supply solutions. The LT3481EDD#PBF can be used for single or multiple output voltage configurations, allowing designers to achieve more efficient and flexible designs.

The LT3481EDD#PBF is a DC/DC switching regulator which operates at a switching frequency of 400kHz to 1000kHz. It is a versatile device which is available in an 8-pin TSOT-23, a 5-pin SC-70 package, or a tiny 1.6mm x 2mm, 0.5mm pitch 6-ball WLCSP package. The device is comprised of a controller, power FETs, and compensation components. It also includes a precision voltage reference and a high side depletion load switch. It is also integrated with current limit and short-circuit protection. The use of external components for frequency synchronization, soft-start, or output voltage setting is not required.

The LT3481EDD#PBF supports wide input range from 3.8V to 35V and features an adjustable output voltage range from 0.6V to 95% of the input voltage. The device offers a peak current limit of 3A and an operating frequency range of 400kHz to 1000kHz, allowing for high frequency operation for maximum efficiency. The switching frequency is internally regulated such that it will automatically adapt to the load and input voltage changes, maximizing efficiency and eliminating the need for external loop compensation. The device includes a push-pull topology and synchronous rectification, resulting in ultra-low ripple operation.

The LT3481EDD#PBF has a few unique features. It includes an auto-restart mode which allows it to recover automatically from various fault conditions without requiring user intervention. It also includes a “Soft-Slope” mode which allows the device to minimize output voltage shift during large over-current conditions. It also includes a “Burst Mode” which allows the device to switch dynamically between pulse width modulation (PWM) mode and discontinuous conduction mode (DCM) to reduce dynamic losses. The device also includes input and output over-voltage protection which is designed to protect the circuit from catastrophic events.

The LT3481EDD#PBF is best used for a variety of high current applications. Its wide input range and high frequency operation makes it ideal for automotive, outdoor, or industrial systems. Its features, such as its auto-restart and over-voltage protection, make it suitable for a variety of applications requiring efficiency and reliable performance. The device can also be used in isolated and synchronous step-down applications, making it highly versatile.

In conclusion, the LT3481EDD#PBF is a DC/DC switching regulator from Linear Technology which is ideal for a wide range of high current applications. Its wide input range and high frequency operation make it suitable for a variety of applications. It is available in TSOT-23, SC-70, or WLCSP packages and features current limit, short-circuit protection, auto-restart, and over-voltage protection. Its features and versatile applications make it an excellent device for system designers.

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