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ISL6721AV-T Datasheet(PDF) 9 Page - Renesas Technology Corp |
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ISL6721AV-T Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 23 page ISL6721 FN9110 Rev 9.00 Page 9 of 23 May 20, 2016 Undervoltage Hysteresis Voltage 20 50 100 mV UV Bias Current VUV = 2.00V -1.0 - 1.0 µA OV Bias Current VOV = 2.00V -1.0 - 1.0 µA THERMAL PROTECTION Thermal Shutdown (Note 8) 120 130 140 °C Thermal Shutdown Clear (Note 8) 105 120 135 °C Hysteresis (Note 8)- 10 - °C NOTES: 6. Specifications at -40°C and +105°C are guaranteed by +25°C test with margin limits. 7. This is the VCC current consumed when the device is active but not switching. Does not include gate drive current. 8. Limits should be considered typical and are not production tested. 9. This is the maximum duty cycle achievable using the specified values of RT and CT. Larger or smaller maximum duty cycles may be obtained using other values for RT and CT. See Equations 1, 2, 3 and 4. Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 3 and “Typical Boost Converter Application Schematic” on page 5. 9V < VCC = VC < 20V, RT = 11kΩ, Ct = 330 pF, TA = -40°C to +105°C (Note 6), Typical values are at TA = +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Typical Performance Curves FIGURE 4. EA REFERENCE VOLTAGE vs TEMPERATURE FIGURE 5. VREF REFERENCE VOLTAGE vs TEMPERATURE FIGURE 6. OSCILLATOR FREQUENCY vs TEMPERATURE FIGURE 7. RESISTANCE FOR CT CAPACITOR VALUES GIVEN 0.991 0.993 0.995 0.998 1 1.002 TEMPERATURE (°C) -40 -10 20 50 80 110 1.002 1.000 0.998 0.995 0.993 0.991 0.991 0.993 0.995 0.998 1 1.002 1.002 1.000 0.998 0.995 0.993 0.991 -10 20 50 80 110 -40 TEMPERATURE (°C) 1.002 0.996 0.989 0.983 0.976 0.970 -10 205080 110 -40 TEMPERATURE (°C) 10 20 40 50 60 70 80 90 100 10 100 103 RT (k) 30 100pF 220pF 330pF 470pF 680pF 1000pF 2000pF |
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