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IR51H214 Datasheet(PDF) 1 Page - International Rectifier |
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IR51H214 Datasheet(HTML) 1 Page - International Rectifier |
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1 / 6 page  Data Sheet No. PD-6.058D IR51H214 SELF-OSCILLATING HALF-BRIDGE Features n Output Power MOSFETs in half-bridge configuration 250V Rated Breakdown Voltage n High side gate drive designed for bootstrap operation n Accurate timing control for both Power MOSFETs Matched delay to get 50% duty cycle Matched deadtime of 1.2us n Internal oscillator with programmable frequency f = + 1 14 R 75 C TT . × ( ) × Ω n Zener clamped Vcc for offline operation n Half-bridge output is out of phase with RT Description The IR51H214 is a high voltage, high speed, self- oscillating half-bridge. 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 250 volts. Product Summary VIN (max) 250V Duty Cycle 50% Deadtime 1.2µs RDS(on) 2.0 Ω Ω PD (TA = 25 ºC) 2.0W Package IR51H214 9506 Typical Connection TO LO A D I R 51H 214 CO M CC V V IN B V CT RT U P T O 250V D C B U S VO CO M V IN T R T C 1 2 3 4 6 9 7 Next Data Sheet Index Previous Datasheet To Order |
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