Gan Systems GS-EVB-HB-0650603B-HD Manuel technique - Page 9

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CH2: Low side driver input

CH1: Low side driver (IC2) output wrt VHV-

Low side driver output

3 Test results

3.1 Double pulse test

The double pulse test is used to evaluate the switching characteristics of a power switch under hard

switching but in a safe manner.

For a low side switch the setup is as shown below:

The low side switch is driven with two pulses as shown below. The high side switch can be held off or

driven with the inverse of the low side gate switch (with adequate dead time).

GS-EVB-HB-0650603B-HD TM Rev. 210712

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CH2: Low side driver input

CH1: Low side driver (IC2) output wrt VHV-

Typical Turn-on Propagation Delay

Figure 6: Typical Driver output at 100kHz

Figure 7: Double Pulse Test

Please refer to the Evaluation Board/Kit Important Notice on page # 16

Half Bridge Bipolar Drive Switch Board

GS-EVB-HB-0650603B-HD

Technical Manual

CH2: Low side driver input

CH1: Low side driver (IC2) output wrt VHV-

Typical Turn-off Propagation Delay