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IRS2548DSTRPBF Datasheet(PDF) 8 Page - International Rectifier |
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IRS2548DSTRPBF Datasheet(HTML) 8 Page - International Rectifier |
8 / 22 page IRS2548D www.irf.com © 2011 International Rectifier 8 Electrical Characteristics (cont’d) VCC = VBS = VBIAS=14V +/- 0.25V, CLO = CHO = CPFC = 1000pF, RFMIN = 42.2kOhm, VENN = VCOMP = VCS = VOC = VBUS = VZX = 0V, TA=25C unless otherwise specified. Symbol Definition Min Typ Max Units Test Conditions System Control Oscillator Characteristics fOSCRUN Half-bridge Oscillator Run Frequency 42.5 44.5 46.5 kHz MODE = RUN d Oscillator duty cycle --- 50 --- tdLO LO Output Deadtime --- 1.6 --- us tdHO HO Output Deadtime --- 1.6 --- VFMIN FMIN Pin Voltage 1.9 2.0 2.1 V VCC = 14.0V VFMINFLT FMIN Pin Fault or UVLO Mode Voltage --- 0 --- MODE = FAULT or UVLO System Control Protection Circuitry Characteristics VCSTH+ CS Pin Over-current Sense Threshold 1.15 1.25 1.35 V nEVENTS CS Pin Fault Counter No. of Events 65 MODE = RUN VENNTH+ SD Pin Rising Non-latched Shutdown Threshold Voltage --- 2.0 --- VENNTH- SD Pin Falling Reset Threshold Voltage --- 1.5 --- V VENNBIAS EOL Pin Internal Bias Voltage --- 0V --- V VFMINFLT FMIN Pin Fault Mode Voltage --- 0 --- V MODE = FAULT Gate Driver Output Characteristics (HO, LO and PFC pins) VOL Low-Level Output Voltage --- 0 100 IO = 0 VOH High-Level Output Voltage --- 0 100 mV VBIAS - VO , IO = 0 tr Turn-On Rise Time --- 120 --- tf Turn-Off Fall Time --- 50 --- nsec I0+ Source Current --- 180 --- I0- Sink Current --- 260 --- mA Bootstrap FET Characteristics VB_ON VB when the bootstrap FET is on --- 13.7 --- V IB_CAP VB source current when FET is on 35 55 --- mA CBS=0.1uF IB_10V VB source current when FET is on 8 12 --- VB=10V |
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