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ISL6610A Datasheet(PDF) 10 Page - Intersil Corporation |
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ISL6610A Datasheet(HTML) 10 Page - Intersil Corporation |
10 / 30 page 10 FN6482.0 February 26, 2008 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: 3. These parts are designed and adjusted for accuracy with all errors in the voltage loop included. 4. Limits should be considered typical and are not production tested. 5. During soft-start, VDAC rises from 0V to 1.1V first and then ramp to VID voltage after receiving valid VID. 6. Soft-start ramp rate is determined by the adjustable soft-start oscillator frequency at the speed of 6.25mV per cycle. 7. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested. Electrical Specifications Operating Conditions: VCC = 5V, Unless Otherwise Specified. (Continued) PARAMETER TEST CONDITIONS MIN (Note 7) TYP MAX (Note 7) UNITS ISL6334, ISL6334A |
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