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ISL8841AMBZ Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL8841AMBZ Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 15 page 9 FN6320.3 April 18, 2007 Amplitude, Peak to Peak Static Test - 1.75 - V RTCT Discharge Voltage (Valley Voltage) Static Test - 1.0 - V Discharge Current RTCT = 2.0V 6.2 8.0 8.5 mA OUTPUT Gate VOH VDD - OUT, IOUT = -200mA - 1.0 2.0 V Gate VOL OUT - GND, IOUT = 200mA - 1.0 2.0 V Peak Output Current COUT = 1nF (Note 9) - 1.0 - A Rise Time COUT = 1nF (Note 9) - 20 40 ns Fall Time COUT = 1nF (Note 9) - 20 40 ns GATE VOL UVLO Clamp Voltage VDD = 5V, ILOAD = 1mA - - 1.2 V PWM Maximum Duty Cycle (ISL8840A, ISL8842A, ISL8843A) COMP = VREF 94.0 96.0 - % Maximum Duty Cycle (ISL8841A, ISL8844A, ISL8845A) COMP = VREF 47.0 48.0 - % Minimum Duty Cycle COMP = GND - - 0 % NOTES: 7. Specifications at -55°C and +125°C are guaranteed by +25°C test with margin limits. 8. This is the VDD current consumed when the device is active but not switching. Does not include gate drive current. 9. These parameters, although guaranteed, are not 100% tested in production. 10. Adjust VDD above the start threshold and then lower to 15V. Electrical Specifications ISL884xAM - Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application schematic. VDD = 15V, RT = 10kΩ, CT = 3.3nF, TA = -55 to +125°C (Note 7), Typical values are at TA = +25°C (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Typical Performance Curves FIGURE 1. FREQUENCY vs TEMPERATURE FIGURE 2. REFERENCE VOLTAGE vs TEMPERATURE -60 -40 -20 0 20 40 60 80 100 120 140 0.98 0.99 1.00 1.01 TEMPERATURE (°C) -60 -40 -20 0 20 40 60 80 100 0.995 0.996 0.997 0.998 0.999 1.000 1.001 TEMPERATURE (°C) 140 120 ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A |
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