Slammers And Software Verify Performance Of Advanced Voltage Regulators
by David Baretich, ProGrAnalog, Portland, Oreg., How2Power Today, Jun 15 2022
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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