p-n-p-n charge dynamics
- 1 January 1967
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 55 (8) , 1318-1330
- https://doi.org/10.1109/proc.1967.5833
Abstract
A simple unified charge model applicable to both unsaturated and saturated p-n-p-n dynamic behavior is analyzed. Expressions are obtained for three important dynamic conditions: di/dt prior to saturation, voltage drop during turn-on, and reverse current during recovery. Comparison with measurement shows that interdigitated gate p-n-p-n devices match one-dimensional turn-on theory and closely approximate the behavior of p-i-n rectifiers under similar pulsed conditiom. The major analytical simplifications of the one-dimensional theory are examined in the Appendixes. The limitations imposed by these simplifications can be avoided by use of numerical integration techniques.Keywords
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