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ISL6528CBZ-T Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6528CBZ-T Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 13 page 4 FN9038.4 March 9, 2006 Absolute Maximum Ratings Thermal Information UGATE, BOOT. . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to +10V VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to +7V FB, DRIVE2, FB2, COMP, . . . . . . . . . . . GND -0.3V to VCC +0.3V ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2 Operating Conditions Supply Voltage on VCC . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10% Supply Voltage to drain of upper MOSFET . . . . . . . . . +3.3V ±10% Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0°C to 125°C Thermal Resistance (Typical, Note 1) θJA (°C/W) SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C (SOIC - Lead Tips Only) CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTE: 1. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details. Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System Diagrams, and Typical Application Schematic PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS VCC SUPPLY CURRENT Nominal Supply Current ICC UGATE and DRIVE2 Open 2 3.7 6.5 mA POWER-ON RESET Rising VCC Threshold 4.25 4.4 4.50 V Falling VCC Threshold 3.75 3.8 4.00 V OSCILLATOR AND SOFT-START Free Running Frequency FOSC 550 600 650 kHz Ramp Amplitude ∆VOSC -1.5 - VP-P Soft-Start Interval TSS 3.10 3.42 3.75 ms REFERENCE VOLTAGE Reference Voltage VREF .784 0.800 .816 V System Accuracy -2.00 - +2.00 % PWM CONTROLLER ERROR AMPLIFIER DC Gain -80- dB Gain-Bandwidth Product GBWP - 15 - MHz Slew Rate SR - 6 - V/ µs Undervoltage Level (VFB/VREF)VUV 48.13 52.5 56.88 % PWM CONTROLLER GATE DRIVER UGATE Source Impedance RUGATE VCC = 5V, VUGATE = 2.5V - 2.75 5.0 Ω UGATE Sink Impedance RUGATE VUGATE-PHASE = 2.5V - 3.0 5.0 Ω LINEAR REGULATOR ERROR AMPLIFIER Output Drive Current VCC > 4.5V 100 120 - mA Overvoltage Level (VFB2/VREF)VOV 150.0 160.0 175.0 % Undervoltage Level (VFB2/VREF)VUV 48.13 52.5 56.88 % ISL6528 |
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