Off-Line SMPS Failure Modes PWM Switchers and DC-DC
2011-8-6u2002·u2002Off-Line SMPS Failure Modes PWM Switchers and DC-DC Converters 5 This is the common failure mode for a bipolar transistor P-N junction during a short-load event. The high current seen at the device junction displays a typical failure mechanism. During this overcurrent, the junction depletion regions grow so large that the majority carriers ...
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