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MP18024―100V, 4A HIGH FREQUENCY HALF-BRIDGE GATE DRIVER
MP18024 Rev. 1.0 www.MonolithicPower.com 9
6/3/2011 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
APPLICATION
The input signals INH and INL can be controlled
independently. If both INH and INL control the
high-side MOSFET and low-side MOSFET of the
same bridge, then users must avoid shoot
through by
setting sufficient dead time between INH and INL
low, and vice versa. See Figure 3 below. Dead
time is defined as the time interval between INH
low and INL low.
Shoot through
(No dead time)
No Shoot through No Shoot through
Shoot through
(No dead time)
INH
INL
INH
INL
Dead time
INH
INL
INH
INL
Dead time
Figure 3—Shoot-Through Timing Diagram