Processors White Papers
Creating a Fast Load Transient
Overview
Many of Maxim's devices show a typical operating characteristic (TOC) graph with a very fast load transient. Our customers sometimes ask us how we create such fast changes in load. Although commercially available dynamic load boxes are capable of supplying transients, they are not sharp enough for an attractive-looking TOC.
To obtain the best-looking load transients, we use a combination of a power MOSFET and a couple of resistors right on the PC board of the device under test (DUT). Choosing the components is relatively easy. If the output voltage is positive, an n-channel MOSFET works great. The MOSFET is connected with a resistor from the source to ground. The MOSFET's gate is terminated with a 51 resistor to impedance-match the signal generator's output.
| Publisher | Dallas Semiconductor / Maxim Integrated | File Format | HTML |
|---|---|---|---|
| Date Published | June 2001 | Downloads | 12 |
| Format | White Papers | ||
| Topics | |||
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