• If the positive drive pulse at Gate is less than 8 volts
(refer to Source), the MOSFET will get very hot to
damage. If the drive pulse is not sharp or is very noise, it
makes MOSFET very hot also.
• If the drive pulse is low & noisy, the drive IC or
peripheral parts may be defective or the power supply
may not be functioning properly.
• When handling the MOSFET, try not to touch the pins
with your fingers.
• It is preferable to use anti-static iron when soldering the
MOSFET.
• When the pair of MOSFETs are damaged, sometimes the
drive IC becomes defective too. Check the drive circuit
before replacing the MOSFETs, to prevent the power
MOSFET from shorting again.
POWER SUPPLY 3/5
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