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ISL6844IUZ Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL6844IUZ Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 13 page 8 FN9124.11 February 23, 2012 Maximum Duty Cycle ISL6840, ISL6842, ISL6843 94 96 - % ISL6841, ISL6844, ISL6845 47 48 - % Minimum Duty Cycle ISL6840, ISL6842, ISL6843 - - 0 % ISL6841, ISL6844, ISL6845 - - 0 % NOTES: 9. 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. 10. This is the VDD current consumed when the device is active but not switching. Does not include gate drive current. 11. Limits established by characterization and are not production tested. 12. Adjust VDD above the start threshold and then lower to 15V. Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and “Typical Application” schematic on pages 3 and 4. VDD = 15V (Note 12), Rt = 10kΩ, Ct = 3.3nF, TA = -40°C to +105°C (Industrial) or TA = 0°C to +70°C (Commercial), Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C . (Continued) PARAMETER TEST CONDITIONS MIN (Note 9) TYP MAX (Note 9) UNITS Typical Performance Curves FIGURE 1. FREQUENCY vs TEMPERATURE FIGURE 2. REFERENCE VOLTAGE vs TEMPERATURE FIGURE 3. EA REFERENCE vs TEMPERATURE FIGURE 4. RESISTANCE FOR CT CAPACITOR VALUES GIVEN 1.02 1.01 1.00 0.99 0.98 0.97 -40 -10 20 50 80 110 TEMPERATURE (°C) TEMPERATURE (°C) 1.001 1.000 0.999 0.998 0.997 0.996 0.995 -40 -25 -10 5 20 35 50 65 80 95 110 TEMPERATURE (°C) 1.002 1.000 0.998 0.996 0.994 -40 -25 -10 5 20 35 50 65 80 95 110 103 100 10 1 10 20 30 40 50 60 70 80 90 100 RT (k Ω) 100pF 220pF 330pF 470pF 1.0nF 2.2nF 3.3nF 4.7nF ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845 |
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