LMR33620ARNXR

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The LMR33620ARNXR is a DC-DC switching regulator developed by Texas Instruments for use in automotive and industrial applications. In particular, the regulator is suited for applications requiring low EMI, fast transient response and low output noise. This regulator utilizes a synchronous rectifier to reduce power dissipation and improves efficiency in low power applications.

The regulator includes a wide input voltage range from 6V to 36V, output current of 3A, and adjustable output voltage up to 40V. The package is a QFN 5x5mm and it has an onboard fast-transient protection circuitry, short-circuit protection, under/over-voltage protection, and thermal lockout. The device also incorporates built-in loop compensation circuitry to reduce the external component count.

The LMR33620ARNXR utilizes a pulse width modulation (PWM) control to regulate the output voltage. The PWM current control system computes the input voltage and output current to the maximum power transfer point or a predetermined point. Any dc-dc buck-converter features a power switch, which in this case is an N-channel MOSFET switch that is turned on and off at a predetermined frequency by the Control PCB, voltage reference, and current sense circuitry. The output voltage and current feed-back is regulated across a resistor divider on the Output PCB.

The device can be used in a variety of automotive and industrial applications. It is designed for direct current isolation in high voltage isolation systems, allowing for interfacing between USB and other higher voltage levels. It is also commonly used as a power supply for DC motors, pumps, and air-conditioning units; in electric vehicle charging, auxiliary power converters for emerging automotive applications; and in power amplifiers and power converters for Broadcast audio equipment.

In addition, the device can be used in the development of power systems for various consumer electronics such as industrial handhelds, mobile communications, LCD displays, and other portable devices. The LMR33620ARNXR also offers many features that make it suitable for a range of industrial and automotive applications. First, its high efficiency allows for energy savings and reduced operating temperature. The wide input voltage range improves reliability and enables integrated thermal management. Last, the low EMI makes this part well suited for high-density densities and noise-sensitive applications.

The LMR33620ARNXR is a versatile DC-DC switching regulator used in a variety of power management applications. Its wide input voltage range and fast transient response enable it to meet the needs of a variety of industrial and automotive applications. The device also features fast-transient protection, short-circuit protection, under/over-voltage protection, and thermal lockout, which make it highly reliable in power management tasks. Furthermore, its low EMI makes it suitable for use in noise-sensitive applications.

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