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IR21531 - SELF-OSCILLATING HALF-BRIDGE DRIVER

Description

8 Lead PDIP 8 Lead SOIC The IR21531(D)(S) are 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.

Features

  • Integrated 600V half-bridge gate driver 15.6V zener clamp on Vcc True micropower start up Tighter initial deadtime control Low temperature coefficient deadtime Shutdown feature (1/6th Vcc) on CT pin Increased undervoltage lockout Hysteresis (1V) Lower power level-shifting circuit Constant LO, HO pulse widths at startup Lower di/dt gate driver for b.

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Other Datasheets by International Rectifier (now Infineon)

Part Number Description
IR21531D SELF-OSCILLATING HALF-BRIDGE DRIVER
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Data Sheet No. PD60131-L IR21531D(S) & (PbF) SELF-OSCILLATING HALF-BRIDGE DRIVER Features • • • • • • • • • • • • • • • Integrated 600V half-bridge gate driver 15.6V zener clamp on Vcc True micropower start up Tighter initial deadtime control Low temperature coefficient deadtime Shutdown feature (1/6th Vcc) on CT pin Increased undervoltage lockout Hysteresis (1V) Lower power level-shifting circuit Constant LO, HO pulse widths at startup Lower di/dt gate driver for better noise immunity Low side output in phase with RT Internal 50nsec (typ.) bootstrap diode (IR21531D) Excellent latch immunity on all inputs and outputs ESD protection on all leads Also available LEAD_FREE Product Summary VOFFSET Duty Cycle Tr/Tp Vclamp Deadtime (typ.) 600V max. 50% 80/40ns 15.6V 0.
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