Description

The FAN7842, a monolithic high and low side gate drive IC, which can drive MOSFETs and IGBTs that operate up to +200V. Fairchild’s high-voltage process and common-mode noise canceling technique provide stable operation of the high-side driver under high-dv/dt noise circumstances. An advanced level-shift circuit allows high-side gate driver operation up to VS=-9.8V (typical) for VBS=15V. The input logic level is compatible with standard TTL series logic gates. The UVLO circuits for both channels prevent malfunction when VCCand VBSare lower than the specified threshold voltage. Output driver current (source/sink) is typi cally 350mA/650mA, respectively.

Features

Floating Channels Designed for Bootstrap Operation to +200V

Typically 350mA/650mA Sourcing/Sinking Current Driving Capability for Both Channels

Common-Mode dv/dt Noise Canceling Circuit

Extended Allowable Negative VSSwing to -9.8V for Signal Propagation at VCC=VBS=15V

VCC& VBSSupply Range from 10V to 20V

UVLO Functions for Both Channels

TTL-Compatible Input Logic Threshold Levels

Matched Propagation Delay Below 50ns

Output In-phase with Input Signal