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ISL6755AAZA Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL6755AAZA Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 17 page 5 FN6442.1 September 29, 2008 RAMP RAMP Sink Current Device Impedance VRAMP = 1.1V - - 20 Ω RAMP to PWM Comparator Offset TA = +25°C 65 80 95 mV Bias Current VRAMP = 0.3V -5.0 - -2.0 µA PULSE WIDTH MODULATOR Minimum Duty Cycle VERR < 0.6V - - 0 % Maximum Duty Cycle (per half-cycle) VERR = 4.20V, VRAMP = 0V, VCS = 0V (Note 5) - 94 - % RTD = 2.00k Ω, CT = 220pF - 97 - % RTD = 2.00k Ω, CT = 470pF - 99 - % Zero Duty Cycle VERR Voltage 0.85 - 1.20 V VERR to PWM Comparator Input Offset TA = +25°C 0.7 0.8 0.9 V VERR to PWM Comparator Input Gain 0.31 0.33 0.35 V/V Common Mode (CM) Input Range (Note 4) 0 - VSS V ERROR AMPLIFIERS Input Common Mode (CM) Range (Note 4) 0 - VREF V GBWP (Note 4) 5 - - MHz VERR VOL ILOAD = 2mA - - 0.4 V VERR VOH ILOAD = 0mA 4.20 - - V VERR Pull-Up Current Source VERR = 2.5V 0.8 1.0 1.3 mA EA Reference TA = 25°C 0.594 0.600 0.606 V EA Reference + EA Input Offset Voltage 0.590 0.600 0.612 V OSCILLATOR Frequency Accuracy, Overall (Note 4) 165 183 201 kHz -10 - +10 % Frequency Variation with VDD TA = +25°C, (F20V- - F10V)/F10V -0.3 1.7 % Temperature Stability VDD = 10V, |F-40°C - F0°C|/F0°C -4.5 - % |F0°C - F105°C|/F25°C (Note 4) -1.5 - % Charge Current TA = +25°C -193 -200 -207 µA Discharge Current Gain 19 20 23 µA/µA CT Valley Voltage Static Threshold 0.75 0.80 0.88 V CT Peak Voltage Static Threshold 2.75 2.80 2.88 V CT Pk-Pk Voltage Static Value 1.92 2.00 2.05 V RTD Voltage 1.97 2.00 2.03 V RESDEL Voltage Range 0- 2 V CTBUF Gain (VCTBUFP-P/VCTP-P)VCT = 0.8V, 2.6V 1.95 2.0 2.05 V/V Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application schematic. 9V < VDD < 20V, RTD = 10.0kΩ, CT = 470pF, TA = -40°C to +105°C, Typical values are at TA = +25°C; Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ISL6755 |
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