AN443系列操作快速整流

AN443系列操作快速整流

AN443
APPLICATION NOTE

SERIES OPERATION OF FAST RECTIFIERS

INTRODUCTION
The use of several rectifiers connected in series is necessary to obtain voltage ratings beyond the capa-
bilities of single diodes and also when some special requirement, such as very low switching losses, re-
quires the implementation of several low voltage ultra fast diodes.
Rectifiers connected in series tend to unequally share the voltage across the string in blocking conditions
because of the variations in reverse characteristics: leakage currents and turn-off switching parameters.
To ensure that each diode operates within its voltage