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IRS27951SPBF Datasheet(PDF) 5 Page - International Rectifier |
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IRS27951SPBF Datasheet(HTML) 5 Page - International Rectifier |
5 / 28 page IRS27951S IRS27952(4)S 5 www.irf.com © 2012 International Rectifier November 8 th, 2012 Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. Symbol Definition Min. Max. Units VCC Supply Voltage -0.3 25 V VB High-side Floating Supply Voltage -0.3 625 VS High-side Floating Supply Offset Voltage VB – 25 VB + 0.3 VHO High-side Floating Output Voltage VS – 0.3 VB + 0.3 VLO Low-side Output Voltage -0.3 VCC + 0.3 VCT CT/SD Pin Voltage -0.3 VCC + 0.3 VRT RT Pin Voltage -0.3 VCC + 0.3 IRT RT pin source current --- 2 mA dVs/dt Allowable offset voltage slew rate -50 50 V/ns TJ Operating Junction Temperature -40 150 °C TS Storage Temperature -55 150 PD Package power dissipation @ TA ≤ 25°C (8 lead SOIC) — 0.833 W (14 lead SOIC) — 1.04 RthJA Thermal resistance, junction to ambient (8 lead SOIC) — 150 °C/W (14 lead SOIC) — 120 Recommended Operating Conditions For proper operation the device should be used within the recommended conditions. Symbol Definition Min. Max. Units V BS High-side floating supply voltage 10 Vcc V V S Steady-state high-side floating supply offset voltage -3.0 † 600 V CC Supply voltage 12 18 fsw Switching Frequency --- 500 kHz † Care should be taken to avoid output switching conditions where the VS node flies inductively below ground by more than 5 V. Recommended Component Values Symbol Component Min. Max. Units RRT RT pin resistor value 2 100 k Ω C CT CT pin capacitor value 200 2000 pF |
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