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ISL6225CAZA-T Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6225CAZA-T Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 19 page 4 FN9049.7 December 28, 2004 PWM CONVERTERS Load Regulation 0.0mA < IVOUT1 < 5.0A; 5.0V < VBATT < 24.0V -2.0 - +2.0 % VSEN pin bias current IVSEN By design 50 80 120 nA VOUT pin input impedance IVOUT VOUT = 5V 40 55 65 k Ω Undervoltage Shut-Down Level VUVL Fraction of the set point; ~2 µs noise filter 70 - 85 % Overvoltage Shut-Down VOVP1 Fraction of the set point; ~2 µs noise filter 110 - 130 % GATE DRIVERS Upper Drive Pull-Up Resistance R2UGPUP VCC = 4.5V - 8 15 Ω Upper Drive Pull-Down Resistance R2UGPDN VCC = 4.5V - 3.2 5 Ω Lower Drive Pull-Up Resistance R2LGPUP VCC = 4.5V - 8 15 Ω Lower Drive Pull-Down Resistance R2LGPDN VCC = 4.5V - 1.8 3 Ω POWER GOOD AND CONTROL FUNCTIONS Power Good Lower Threshold VPG- Fraction of the set point; ~3 µs noise filter -13 - -7 % Power Good Higher Threshold VPG+ Fraction of the set point; ~3 µs noise filter. Guaranteed by design. 12 - 16 % PGOODx Leakage Current IPGLKG VPULLUP = 5.5V - - 1 µA PGOODx Voltage Low VPGOOD IPGOOD = -4mA - 0.5 0.85 V EN - Low (Off) -- 0.8 V EN - High (On) 2.5 - - V CCM Enforced (Hysteretic Operation Inhibited) VOUTX pulled low - - 0.1 V Automatic CCM/Hysteretic Operation Enabled VOUTX connected to the output 0.9 - - V DDR - Low (Off) -- 0.8 V DDR - High (On) 2.5 - - V DDR REF Output Voltage VDDREF DDR = 1, IREF = 0...10mA 0.99* VOC2 VOC2 1.01* VOC2 V DDR REF Output Current IDDREF DDR = 1. Guaranteed by design. - 10 16 mA Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS ISL6225 |
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