LT8570IDD-1#TRPBF

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The LT8570IDD-1#TRPBF is one of a family of DC DC switching regulators from Linear Technology. These regulators are used to regulate the voltage output of an electronic system while providing dynamic power delivery. The LT8570IDD-1#TRPBF is a one of the most popular DC DC switching regulators in its class and is used in a wide variety of applications.

What is a DC DC Switcher?

A DC DC switcher is a type of power supply with adjustable output voltages. It is used to provide a certain voltage of power to different types of electronic components, such as microcontrollers and logic circuits. A DC DC switcher works by utilizing an oscillator that rapidly changes the output voltage on an alternating current (AC) waveform. This alternating current waveform is then transferred to a direct current (DC) voltage.

What is the LT8570IDD-1#TRPBF?

The LT8570IDD-1#TRPBF is a DC DC switcher designed for high power applications. It features an integrated, low-on-resistance switch, which helps to provide maximum efficiency and lower power losses under heavy load conditions. The IC also includes high-side and low-side drivers, allowing it to interface directly with logic circuits. The LT8570IDD-1#TRPBF provides a programmable output voltage and control interface, making it ideal for applications that require precise voltage control.

Applications

The LT8570IDD-1#TRPBF is ideally suited for use in industrial power supplies, DC motor controllers and voltage references. It can also be utilized in automotive, servers, test and measurement, telecom and other general purpose applications. The LT8570IDD-1#TRPBF is designed to provide clean and reliable power in hostile environments and its synchronous rectifier design minimizes power losses under heavy load conditions.

Features

The LT8570IDD-1#TRPBF features a wide 6V to 42V supply voltage range, and a wide PWM input range from 5V to 42V. It also features an integrated comparator for programmable output voltage. The device offers up to 5A of output current, a current limit of 9A and a switching frequency up to 1MHz. The LT8570IDD-1#TRPBF is RoHS compliant and housed in a low profile MSOP-10 package.

Working Principle

The LT8570IDD-1#TRPBF uses a switched-mode power supply topology. The device switches a DC input voltage (VI) to a DC output voltage (VO) using an oscillator and a voltage-controlled switch. The switch, typically an N-channel MOSFET, is controlled by the internal oscillator. As the oscillator frequency increases, the switch is turned on and off at a faster rate. This modulates the voltage supplied to the load, allowing the output voltage to be precisely controlled.

The LT8570IDD-1#TRPBF includes programmable circuitry that allows the user to adjust the output voltage by setting a voltage reference level. This reference is compared to the output voltage and the PWM control signal is adjusted accordingly. The device also includes an integrated current limit circuit to protect against overload conditions. The LT8570IDD-1#TRPBF is an ideal solution for applications that require precise voltage control, wide operating voltage ranges and low power losses.

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