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IRMD2336DJ Datasheet(PDF) 7 Page - International Rectifier |
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IRMD2336DJ Datasheet(HTML) 7 Page - International Rectifier |
7 / 27 page IRMD2336DJ www.irf.com © 2008 International Rectifier 7 Figure 2: Picture of IRMD2336DJ Reference Design IRS2336DJ Gate Driver IC The IRS2336DJ IC integrates three independent half bridge drivers with shoot through protection and internal dead-time insertion. Proprietary HVIC technology enables ruggedized monolithic construction with logic inputs compatible with CMOS or LSTTL levels as low as 3.3 V. The output drivers feature a high pulse current buffer stage designed for minimum driver cross-conduction. Propagation delays are matched to simplify use in high frequency applications. The floating channel can be used to drive N-channel power MOSFETs or IGBTs in the high side configuration, which operates up to 600V. The IC is based on “Active Low” input logic i.e. a logic HIGH input turns OFF the corresponding output and vice versa. In addition to VSS pin, the IC features a COM pin to provide a dedicated, low impedance return path for the low side gate driver which also serves to shunt the high- frequency gate drive currents away from the current sense resistor thus preventing false trips. A host of protection functions such as UVLO for VCC & VBS supplies and motor current trip along with integrated fault diagnostics are also offered in IRS2336DJ I. An open-drain FAULT signal is provided to indicate that an over-current or a VCC under-voltage shutdown has occurred. Fault conditions are cleared automatically after a delay programmed externally via an RC network connected to the RCIN input. An enable function is available to terminate all six outputs simultaneously. Figure 3: IRS2336DJ Application Diagram Input Stage Power Inverter Gate Driver Circuitry Connector for external PWM drive DC-DC Converter Control Circuitry Input Stage Power Inverter Gate Driver Circuitry Connector for external PWM drive DC-DC Converter Control Circuitry |
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