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ISL6730BFUZ Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL6730BFUZ Datasheet(HTML) 7 Page - Intersil Corporation |
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7 / 19 page  ISL6730A, ISL6730B, ISL6730C, ISL6730D 7 FN8258.1 August 8, 2013 Gate Drive Max. Sourcing/Sinking Current -1.5 - A Rise Time CO = 2.2nF, VCC = 15V, Gate Voltage Rise Time from 10% to 90% of VGC -34 62 ns Fall Time CO = 2.2nF, VCC = 15V, Gate Voltage Fall Time from 10% to 90% of VGC -34 57 ns Gate Clamp Voltage VGC 10.5 12 13.5 V VOLTAGE REFERENCE Reference Voltage VREF 2.48 2.5 2.52 V Feedback Pin Pull-Down Current IFB -65 - nA Rising Threshold to Enable Converter FB_EN 280 300 320 mV Falling Threshold to Disable Converter FB_DIS 190 202 214 mV Enable Hysteresis FB_Hys - 100 - mV VOLTAGE ERROR AMPLIFIER Error Amp Transconductance Gmv 50 77 104 µA/V ISource/Sink -13-µA COMP Offset Voltage VCOMP_OFF 0.95 1.01 1.07 V COMP Soft-Start Enable Voltage VCOMP_EN 0.58 0.64 0.75 V INPUT VOLTAGE SENSING VIN Leakage Current -9 - nA MULTIPLIER GAIN GMUL COMP = 2.5V, VIN = 1.0V, BO = 1.0V, ISEN = 50µA 0.196 0.25 0.296 V/V CURRENT ERROR AMPLIFIER Current DC Gain AiDC ΔIICOMP/ΔIISEN 1.6 1.9 2.2 A/A Error Amp Transconductance Gmi IICOMP = ±20µA 205 268 331 µA/V ICOMP Source/Sink Current (Note 7) -60 - µA Current Sensing Input Offset -3 2 7 mV LIGHT LOAD EFFICIENCY ENHANCEMENT AND OVERPOWER PROTECTION Skip Mode COMP Threshold VSCMT Applied for ISL6730A/B 1.32 1.36 1.4 V COMP Upper Limit VCUL 3.53 3.85 4.17 V COMP Valid Range VCUL-1V 2.5 2.83 3.16 V FB Exit Threshold Voltage VFB_EXIT Fraction of the set point (VREF), IISEN = 0µA, Applied for ISL6730A/B 87 88 89 % ISEN Exit Threshold Current ISEN_EXIT VFB = 2.5V, Applied for ISL6730A/B -38 -29 -20 µA BROWNOUT DETECTION Brownout Rising Threshold VBO_R 478 494 510 mV Brownout Falling Threshold VBO_F 387 401 415 mV OVERVOLTAGE PROTECTION Overvoltage Protection VOVP Fraction of the set point (VREF); ~1µs noise filter 102.9 104.1 105.3 % Electrical Specifications Operating Conditions: VCC = 15V, TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 8) TYP MAX (Note 8) UNITS |
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