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ISL6322IRZ Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL6322IRZ Datasheet(HTML) 8 Page - Intersil Corporation |
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8 / 41 page  8 FN6328.2 August 2, 2007 DAC Input Low Voltage (AMD) 0.6 V DAC Input High Voltage (AMD) 1.0 V PIN-ADJUSTABLE OFFSET OFS Sink Current Accuracy (Negative Offset) ROFS = 10kΩ from OFS to GND 37.0 40.0 43.0 μA OFS Source Current Accuracy (Positive Offset) ROFS = 30kΩ from OFS to VCC 50.5 53.5 56.5 μA ERROR AMPLIFIER DC Gain RL = 10k to ground, (Note 3) 96 dB Gain-Bandwidth Product CL = 100pF, RL = 10k to ground, (Note 3) 20 MHz Slew Rate CL = 100pF, Load = ±400μA, (Note 3) 8 V/ μs Maximum Output Voltage Load = 1mA 3.90 4.20 V Minimum Output Voltage Load = -1mA 1.30 1.5 V SOFT-START RAMP Soft-Start Ramp Rate VR10/VR11, RS = 100kΩ 1.563 mV/µs AMD 2.063 mV/µs Adjustment Range of Soft-Start Ramp Rate (Note 3) 0.625 6.25 mV/µs PWM OUTPUT PWM Output Voltage LOW Threshold Iload = ±500 μA0.5 V PWM Output Voltage HIGH Threshold Iload = ±500 μA4.5 V CURRENT SENSING Current Sense Resistance, RISEN T = +25°C 297 300 303 Ω Sensed Current Tolerance ISEN1+ = ISEN2+ = ISEN3+ = ISEN4+ = 80 μA 768084 μA OVERCURRENT PROTECTION Overcurrent Trip Level - Average Channel Normal operation 110 125 140 μA Dynamic VID change 143 163 183 μA Overcurrent Trip Level - Individual Channel Normal operation 150 177 204 μA Dynamic VID change (Note 3) 209.4 238 266.6 μA PROTECTION Undervoltage Threshold VSEN falling 55 60 65 %VID Undervoltage Hysteresis VSEN rising 10 %VID Overvoltage Threshold During Soft-Start VR10/VR11 1.24 1.28 1.32 V AMD 2.13 2.20 2.27 V Overvoltage Threshold (Default) VSEN rising VDAC + 225mV VDAC + 250mV VDAC + 275mV V Overvoltage Threshold (Alternate) VSEN rising VDAC + 150mV VDAC + 175mV VDAC + 200mV V Overvoltage Hysteresis VSEN falling 100 mV SWITCHING TIME (Note 3) UGATE Rise Time tRUGATE; VPVCC = 12V, 3nF load, 10% to 90% 26 ns LGATE Rise Time tRLGATE; VPVCC = 12V, 3nF load, 10% to 90% 18 ns UGATE Fall Time tFUGATE; VPVCC = 12V, 3nF load, 90% to 10% 18 ns LGATE Fall Time tFLGATE; VPVCC = 12V, 3nF load, 90% to 10% 12 ns Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ISL6322 ISL6322 |
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