LTC3459EDC#TRPBF

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The LTC3459EDC#TRPBF is a high-performance DC-DC switching regulator. The device is capable of delivering up to 8A of current and has adjustable output voltages ranging from 0.8V to 5.5V. Additionally, the device includes a built-in high-efficiency buck (step-down) converter and low dropout linear regulator.

Application Field

The LTC3459EDC#TRPBF is an ideal solution for a wide range of applications including automotive, industrial control, computing, communications, and consumer electronics. A few examples of its application include providing a low-voltage, high-current supply for automotive audio systems, powering a wide range of computing and communications systems, and providing a reliable, efficient power supply for multiple hosts, buses, cores and peripherals in a larger electronic system.

Working Principle

The LTC3459EDC#TRPBF contains a high-efficiency buck (step-down) converter, which operates by rapidly switching a small inductor in and out of the circuit. This switching is controlled by an internal pulse-width modulation (PWM) controller. When the inductor is switched into the circuit, the voltage across it builds up, and when it is switched out, the voltage is released into the output. The PWM controller measures the input and output voltages and adjusts the duty cycle as necessary to maintain a stable output voltage.

The LTC3459EDC#TRPBF also contains a low dropout linear regulator which operates in a similar manner. The regulator takes the output from the PWM controller and adjusts it using an error amplifier, to ensure a stable output voltage. The linear regulator maintains a stable output voltage over a wide load range and reduces noise and switch ripple on the circuit.

The LTC3459EDC#TRPBF can be used with a wide range of input and output voltages, and it can be configured to switch between multiple output voltages. It offers high efficiency, low noise, and adjustable current limits to ensure safe operation. In addition, the device includes overtemperature protection, undervoltage lockout and short-circuit protection.

With its high efficiency, low cost, and wide range of input and output voltages, the LTC3459EDC#TRPBF is the ideal choice for any application needing a reliable and efficient DC-DC switching regulator.

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