AN556 - THE L6353: A SMART GATE DRIVER

ST Microelectronics

Datasheet Details

The L6353 is a smart silicon device which integrates all the circuitry for a versatile and rugged gate driver.

such as: an easy-to-link signal source by means of either an optocoupler or pulse transformer, a two-step turn-on procedure of the external power switch (dedicated to IGBT driving), a switch dropout voltage monitoring, the possibility to give a negative bias to the gate, the external programmability of safety thresholds and delays, the syncronisation and edge aligning and a powerful buffer of ±8A with split output. To introduce the device see fig.1 which shows the functional diagram: Figure 1. L.

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Published: Jan 18, 2006 |