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IRS2548DSPBF Datasheet(PDF) 5 Page - International Rectifier |
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IRS2548DSPBF Datasheet(HTML) 5 Page - International Rectifier |
5 / 22 page IRS2548D www.irf.com © 2011 International Rectifier 5 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 VB VB Pin High-Side Floating Supply Voltage -0.3 625 VS VS Pin High-Side Floating Supply Offset Voltage VB – 25 VB + 0.3 VHO HO Pin High-Side Floating Output Voltage VS - 0.3 VB + 0.3 VLO LO Pin Low-Side Output Voltage VPFC PFC Gate Driver Output Voltage -0.3 VCC + 0.3 V IOMAX Maximum allowable output current (HO, LO, PFC) due to external power transistor miller effect -500 500 mA ICC VCC current † 0 25 mA VVBUS VBUS Pin Voltage VCOMP COMP Pin Voltage VOC OC Pin Voltage VENN SD/EOL Pin Voltage VCS CS Pin Voltage -0.3 VCC + 0.3 V VZX ZX Pin Voltage -0.3 VZXCLAMP + 0.3 V IFMIN FMIN Pin Current ICOMP COMP Pin Current IZX ZX Pin Current IOC OC Pin Current IENN ENN Pin Current ICS CS Pin Current -5 5 mA dV/dt Allowable VS Pin Offset Voltage Slew Rate -50 50 V/ns PD Package Power Dissipation @ TA ≤ +25ºC PD = (TJMAX-TA)/RθJA --- 1.0 W R θJA Thermal Resistance, Junction to Ambient --- 120 ºC/W TJ Junction Temperature -55 150 TS Storage Temperature -55 150 TL Lead Temperature (soldering, 10 seconds) --- 300 ºC † This IC contains a zener clamp structure between the chip VCC and COM, with a nominal breakdown voltage of 15.6 V. Please note that this supply pin should not be driven by a low impedance DC power source greater than VCLAMP specified in the electrical characteristics section. |
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