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ISL6334DIRZ Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL6334DIRZ Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 28 page 8 FN6802.2 August 31, 2010 THERMAL MONITORING AND FAN CONTROL TM Input Voltage for VR_FAN Trip 38.7 39.1 39.6 %VCC TM Input Voltage for VR_FAN Reset 44.6 45.1 45.5 %VCC TM Input Voltage for VR_HOT Trip 32.9 33.3 33.7 %VCC TM Input Voltage for VR_HOT Reset 38.7 39.1 39.6 %VCC Leakage Current of VR_FAN With external pull-up resistor connected to VCC - - 5 µA VR_FAN Low Voltage With 1.24k resistor pull-up to VCC, IVR_FAN = 4mA - - 0.3 V Leakage Current of VR_HOT With external pull-up resistor connected to VCC - - 5 µA VR_HOT Low Voltage With 1.24k resistor pull-up to VCC, IVR_HOT = 4mA - - 0.3 V VR READY AND PROTECTION MONITORS Leakage Current of VR_RDY With pull-up resistor externally connected to VCC - - 5 µA VR_RDY Low Voltage IVR_RDY = 4mA - - 0.3 V Undervoltage Threshold VDIFF Falling 48 50 52 %VID VR_RDY Reset Voltage VDIFF Rising 57 59.6 62 %VID Overvoltage Protection Threshold Before valid VID 1.250 1.273 1.300 V After valid VID, the voltage above VID 158 175 190 mV Overvoltage Protection Reset Hysteresis - 100 - mV NOTES: 6. 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. 7. These parts are designed and adjusted for accuracy with all errors in the voltage loop included. 8. Limits should be considered typical and are not production tested. 9. During soft-start, VDAC rises from 0V to 1.1V first and then ramp to VID voltage after receiving valid VID. 10. Soft-start ramp rate is determined by the adjustable soft-start oscillator frequency at the speed of 6.25mV per cycle. Electrical Specifications Operating Conditions: VCC = 5V, Unless Otherwise Specified. Boldface limits apply over the operating temperature ranges, -40°C to +85°C or 0°C to +70°C. (Continued) PARAMETER TEST CONDITIONS MIN (Note 6) TYP MAX (Note 6) UNITS ISL6334D |
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