LMR33620CDDAR

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Texas Instruments\' LMR33620CDDAR DC/DC switching regulator is a 20V, 2.5A device designed to provide efficient, low-noise power conversion with a wide array of features. It is suitable for powering communications and embedded applications such as cellular phones and tablets, gadgets, and laptops. The device is configured with a synchronous rectification scheme and utilizes a wide 4.5V to 20V input voltage range and integrated shutdown mode for energy saving. With a wide input voltage range, the LMR33620CDDAR is suitable for flexibly powering several applications with a single device.

The LMR33620CDDAR has a low ripple and noise of less than 1mV and fast transient response. The device is equipped with output voltage tracking (up and down) capability, making it suitable for powering multiple devices with multiple voltages without the need for external supervision circuitry. It also features external loop compensation, current foldback, prebias start-up capability, programmable soft-start, and power-good signaling.

The device enables excellent transient performance, thus providing a robust design that helps protect systems against input voltage transients and/or load transients. Additionally, the device features an optional Rdson sense resistor that helps to monitor the Rds(on) of the output MOSFET, giving extra system level protection.

The device has built-in system level protection such as cycle-by-cycle current limit, overvoltage protection, input undervoltage lockout, and overtemperature shutdown. These safety features help protect the device from accidental damage. The switching regulator also comes with an adjustable constant frequency 3-pin current mode architecture, which helps ensure continuous system level protection.

The LMR33620CDDAR DC/DC switching regulator can be used in a variety of applications ranging from computers, consumer electronics and medical devices, to industrial and automotive applications. In these applications, the device offers an efficient and reliable power solution with a wide 4.5V to 20V input, excellent transient response, and protection features.

The device utilizes the synchronous rectification technique to achieve high efficiency, fast transient response, and low output ripple. As the output MOSFET is always conducting during the entire switching cycle, and no power is lost in the rectifying diodes because they are not required, the switching regulator provides enhanced efficiency. The constant frequency architecture ensures that switching is always on and allows for reduction in component size.

In addition to its features and efficiency, the LMR33620CDDAR DC/DC regulator also offers an easy-to-use design with an enable/disable input, programmable soft-start, and output voltage tracking control. The device is available in different packages, including SOT-23-6, SOT-23-5, and HTSSOP-8, making it easy to integrate into existing designs. It also offers low noise levels and is compliant to standards such as IEC60730, UL and RoHS.

In conclusion, the LMR33620CDDAR DC/DC switching regulator is an efficient, low noise, and feature-rich power solution for applications that require robust, reliable power delivery. With its wide input voltage range, excellent transient response, and system level protection, the device is suitable for a wide range of applications, from consumer electronics to industrial and automotive applications.

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