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ISL6323 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL6323 Datasheet(HTML) 7 Page - Intersil Corporation |
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7 / 34 page  7 FN9278.2 April 7, 2008 REFERENCE AND DAC System Accuracy (VDAC > 1.000V) -0.6 0.6 % System Accuracy (0.600V < VDAC < 1.000V) -1.0 1.0 % System Accuracy (VDAC < 0.600V) -2.0 2.0 % DVC Voltage Gain VDAC = 1V 2.0 V APA Current Tolerance VAPA = 1V 90 100 108 µA ERROR AMPLIFIER DC Gain RL = 10k to ground, (Note 3) 96 dB Gain-Bandwidth Product (Note 3) CL = 100pF, RL = 10k to ground, (Note 3) 20 MHz Slew Rate (Note 3) CL = 100pF, Load = ±400µA, (Note 3) 8 V/µs Maximum Output Voltage Load = 1mA 3.80 4.20 V Minimum Output Voltage Load = -1mA 1.3 1.6 V SOFT-START RAMP Soft-Start Ramp Rate 2.2 3.0 4.0 mV/µs PWM OUTPUTS PWM Output Voltage LOW Threshold ILOAD = ±500µA 0.5 V PWM Output Voltage HIGH Threshold ILOAD = ±500µA 4.5 V CURRENT SENSING - CORE CONTROLLER Current Sense Resistance, RISEN (Internal) (Note 3) TA = +25°C 2400 Ω Average Sensed and Droop Current Tolerance ISEN1+ = ISEN2+ = ISEN3+ = ISEN4+ = 77µA 68 77 87 µA CURRENT SENSING - NB CONTROLLER Current Sense Resistance, RISEN_NB (Internal) (Note 3) TA = +25°C 2400 Ω Sensed Current Tolerance ISEN_NB = 80µA 80 µA OVERCURRENT PROTECTION Overcurrent Trip Level - Average Channel Normal Operation 83 100 111 µA Dynamic VID Change (Note 3) 130 µA Overcurrent Trip Level - Individual Channel Normal Operation 142 µA Dynamic VID Change (Note 3) 190 µA POWER GOOD Overvoltage Threshold VSEN Rising (Core and North Bridge) VDAC +225mV VDAC + 250mV VDAC + 275mV V Undervoltage Threshold VSEN Falling (Core) VDAC - 325mV VDAC - 300mV VDAC - 275mV mV VSEN Falling (North Bridge) VDAC - 310mV VDAC - 275mV VDAC - 245mV mV Power Good Hysteresis 50 mV OVERVOLTAGE PROTECTION OVP Trip Level 1.73 1.80 1.84 V OVP Lower Gate Release Threshold 350 400 mV SWITCHING TIME (Note 3) [See “Timing Diagram” on page 8] UGATE Rise Time tRUGATE; VPVCC = 12V, 3nF Load, 10% to 90% 26 ns Electrical Specifications Recommended Operating Conditions (0°C to +70°C), Unless Otherwise Specified. (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ISL6323 ISL6323 |
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Similar Description - ISL6323 |
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