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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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What is active clamping available with low-voltage IPDs?
When a low-side switch drives an inductive load, a high voltage is applied to the output terminal because of the back-EMF energy induced when the switch turns off. This back-EMF energy might degrade or damage the IPD.
Active clamping is a protective function to absorb the back-EMF energy incurred by the turn-off of the low-side switch. Active clamping also eliminates the need for freewheeling diodes (FWDs) that return back-EMF energy to a power supply.
