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IR53H420 Hoja de datos - International Rectifier

Número de piezaDescripción (Función)Fabricante
International Rectifier IR
IR53H420 PDF Hoja de datos : IR53H420 pdf   
IR53H420 image

The IR53H(D)420(-P2) are complete high voltage, high speed, self-oscillating half-bridge circuits. Proprietary HVIC and latch immune CMOS technologies, along with the HEXFET® power MOSFET technology, enable ruggedized single package construction. The front-end features a programmable oscillator which functions similar to the CMOS 555 timer. The supply to the control circuit has a zener clamp to simplify offline operation. The output features two HEXFETs in a half-bridge configuration with an internally set deadtime designed for minimum cross-conduction in the half-bridge. Propagation delays for the high and low side power MOSFETs are matched to simplify use in 50% duty cycle applications. The device can operate up to the VIN (max) rating.

• Output power MOSFETs in half-bridge configuration
• High side gate drive designed for bootstrap operation
• Bootstrap diode integrated into package (HD type)
• Tighter initial deadtime control
• Low temperature coefficient deadtime
• 15.6V zener clamped Vcc for offline operation
• Half-bridge output is out of phase with RT
• True micropower startup
• Shutdown feature (1/6th VCC) on CT lead
• Increased undervoltage lockout hysteresis (1Volt)
• Lower power level-shifting circuit
• Lower di/dt gate drive for better noise immunity
• Excellent latch immunity on all inputs and outputs
• ESD protection on all leads
• Constant VO pulse width at startup
• Heatsink package version (P2 type)


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