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Using LMZ1050x evaluation board

Posted: 04 Jan 2011     Print Version  Bookmark and Share

Keywords:LMZ1050x  Simple Switcher  power module 

The LMZ1050x Simple Switcher power module is a DC-DC solution capable of driving up to 3A, 4A, or 5A load with power conversion efficiency, output voltage accuracy, line and load regulation. National Semiconductor says that the LMZ1050x is available in a package that enhances thermal performance and allows for hand or machine soldering.

The LMZ1050x can accept an input voltage rail between 2.95V and 5.5V and deliver an adjustable and highly accurate output voltage as low as 0.8V. One megahertz fixed frequency PWM switching provides a predictable EMI characteristic. Two external compensation components can be adjusted to set the fastest response time, while allowing the option to use ceramic and/or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled startup.

The LMZ1050x has the following features: lossless cycle-by-cycle peak current limit toprotect for over current or short-circuit fault, thermal shutdown, input under-voltage lock-out, and pre-biased startup.

View the PDF document for more information.

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