LMZ14203EXTTZ/NOPB Power Supplies - Board Mount

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DC-DC converters, also referred to as DC-to-DC converters, are power electronic switching devices that convert direct current from one voltage level to another. These converters come in a variety of sizes, shapes, and styles, in both on and off-line configurations, but all serve the same basic function of changing the voltage and current of an input signal so that it is suitable for use in a desired application.

The LMZ14203EXTTZ/NOPB is a high performance, low profile, DC-DC converter designed to provide an isolated power source to a wide range of applications. It has an input voltage range of +14.000V to +18.000V and a maximum output current of up to 3.3A. This converter is ideal for applications requiring a high power density and a low input noise. The LMZ14203EXTTZ/NOPB features tight regulation, high efficiency, and a wide range of protection features, making it an effective and reliable solution for a variety of applications.

The LMZ14203EXTTZ/NOPB uses a Synchronous Rectification Buck Converter topology which makes it highly efficient, with up to 18% efficiency at full load. It has a tight tolerance of ±1% on the VOUT adjustment pin, and the switching frequency can be programmed between 350khz and 1.4Mhz. Other features of the converter include, current limit, precision enable, adjust pin voltage clamp, adjustable soft start, short circuit protection, integrated gate-driver, over temperature protection, and over-voltage protection.

The LMZ14203EXTTZ/NOPB is well suited for a wide variety of applications, such as communications, portable devices, industrial, lighting, automotive, and high voltage power electronics. It can be used in 3.3V, 5V, 12V and 24V DC power applications where a small form factor and a high level of efficiency are required. It is a reliable, cost-effective solution to power applications requiring isolation of the output from the input.

The working principle of the LMZ14203EXTTZ/NOPB converter is quite straightforward and is based on the same principles of operation as most synchronous rectification buck converters. First, an input voltage is applied to the converter. This voltage is switched by a pair of transistors, which in turn creates an output voltage that is proportional to the input voltage, but at a different level. The output voltage is then fed through an inductor, which acts to store energy between switching cycles. This energy is then released via a diode to the output. Finally, The voltage is smoothed and regulated by the output capacitor, before being passed on to the desired application.

In summary, the LMZ14203EXTTZ/NOPB is a high performance, low profile DC-DC converter designed to provide an isolated power source for a wide range of applications. It has an input voltage range of +14.000V to +18.000V and a maximum output current of up to 3.3A. It features tight regulation, high efficiency, and a wide range of protection features making it an effective and reliable solution when a high power density and low noise are required. The working principle is based upon the principles of synchronous rectification buck converters, and is suitable for a variety of applications.

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