Slammers And Software Verify Performance Of Advanced Voltage Regulators

Focus:

This article looks at the utilization of load slammers (also known as slammers and similar sounding names), a class of off-the-shelf voltage regulator test devices from ProGrAnalog— and sometimes constructed by engineers for in-house use—as a test utility for high- performance transient load testing. It begins by discussing the differences between load slammer measurements versus simulation results, and how load slammers compare with Bode and impedance analyzers. Mainly the focus here is on how to configure the GUI of ProGrAnalog’s LoadSlammer to perform a variety of transient, pulse train and impedance tests. Example test results are presented and analyzed with attention given to the various features of the GUI that aid analysis. The ability of the LoadSlammer to perform dc load testing and the delay feature are also briefly discussed. Finally, the various benefits of using the LoadSlammer in combination with test suites in product design and manufacturing are described.

What you’ll learn:

• How to test voltage reguators using ProGrAnalog’s LoadSlammer test tool
• How to configure ProGrAnalog’s LoadSlammer to perform a variety of transient, pulse train and impedance tests using the tool’s GUI
• How to understand the differences between load slammers, Bode analyzers, impedance analyzers and simulation tools

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Author & Publication:

David Baretich, ProGrAnalog, Portland, Oreg., How2Power Today, Jun 15 2022

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