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ISL6265HRTZ-T Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL6265HRTZ-T Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 24 page 7 FN6599.1 May 13, 2009 CORE CURRENT SENSE (Note 3) Current Imbalance Threshold Di -4- mV Input Bias Current -20- nA RTN1 Threshold -0.8 - V SOFT START/VID-ON-THE-FLY Soft-Start Voltage Transition VSS 1.25 1.875 2.50 mV/µs VID on the Fly Transition 5 7.5 10 mV/µs GATE DRIVER DRIVING CAPABILITY [CORE AND NB] UGATE Source Resistance (Note 4) RSRC(UGATE) 500mA Source Current - 1 1.5 Ω UGATE Source Current (Note 4) ISRC(UGATE) VUGATE_PHASE = 2.5V - 2 - A UGATE Sink Resistance (Note 4) RSNK(UGATE) 500mA Sink Current - 1 1.5 Ω UGATE Sink Current (Note 4) ISNK(UGATE) VUGATE_PHASE = 2.5V - 2 - A LGATE Source Resistance (Note 4) RSRC(LGATE) 500mA Source Current - 1 1.5 Ω LGATE Source Current (Note 4) ISRC(LGATE) VLGATE = 2.5V - 2 - A LGATE Sink Resistance (Note 4) RSNK(LGATE) 500mA Sink Current - 0.5 0.9 Ω LGATE Sink Current (Note 4) ISNK(LGATE) VLGATE = 2.5V - 4 - A UGATE to PHASE Resistance (Note 3) Rp(UGATE) -1- k Ω GATE DRIVER SWITCHING TIMING (Note 3) (Refer to “ISL6265 Gate Driver Timing Diagram” on page 8) UGATE Rise Time tRU PVCC = 5V, 3nF Load - 8.0 - ns LGATE Rise Time tRL PVCC = 5V, 3nF Load - 8.0 - ns UGATE Fall Time tFU PVCC = 5V, 3nF Load - 8.0 - ns LGATE Fall Time tFL PVCC = 5V, 3nF Load - 4.0 - ns UGATE Turn-on Propagation Delay tPDHU PVCC = 5V, Outputs Unloaded - 36 - ns LGATE Turn-on Propagation Delay tPDHL PVCC = 5V, Outputs Unloaded - 20 - ns BOOTSTRAP DIODE Forward Voltage VDDP = 5V, Forward Bias Current = 2mA 0.43 0.58 0.67 V Leakage VR = 16V - - 1 µA POWER GOOD AND PROTECTION MONITOR PGOOD Low Voltage VOL IPGOOD = 4mA - 0.2 0.5 V PGOOD Leakage Current IOH PGOOD = 5V -1 - 1 µA PGOOD High After Soft-Start Enable to PGOOD High, VCOREx = 1.1V 570 700 1010 µs PGOOD Low After Fault Fault to PGOOD Low 160 208 250 µs Undervoltage Threshold UVH VCOREx falls below set-point for 208μs 240 295 350 mV Overvoltage Threshold OVHS VO rising above threshold > 0.5µs 1.770 1.795 1.820 V OVERCURRENT PROTECTION VDD0 AND VDD1 OCSET Reference Voltage (VISPx - VISNx) VOCSET = 180mV; VIN = 15.5V 5 6.0 7 mV OVERCURRENT PROTECTION VDD_NB OCSET_NB OCP Current RBIAS pin to GND = 117k Ω; Trips after 8 PWM cycles 9.2 10 10.8 µA Electrical Specifications VCC = PVCC = 5V, VIN = 12V, TA = -10°C to +100°C; Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS ISL6265 |
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