In addition, the gate driver output pulse widths are the same once the rising undervoltage lockout threshold on VCC has been reached, resulting in a more stable profile of frequency vs time at start-up. A shutdown feature has been designed into the CT pin, so that both gate driver outputs can be disabled using a low voltage control signal. The IR2153 provides more functionality and is easier to use than previous ICs. The IR2153 is an improved version of the popular IR2155 and IR2151 gate driver ICs. Note: Complete Technical Details can be found in the IR2153 datasheet given at the end of this page. Excellent latch immunity on all inputs and outputs.Internal 50nsec (typ.) bootstrap diode (IR2153D).Lower di/dt gate driver for better noise immunity. Constant LO, HO pulse widths at start-up.Increased undervoltage lockout Hysteresis (1V).Integrated 600V half-bridge gate driver.Logic and internal gate drive supply voltage The IR2153D is an improved version of the popular IR2155 and IR2151 gate driver ICs, and incorporates a high voltage half-bridge gate driver with a front-end oscillator similar to the industry standard CMOS 555 timer.
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