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ISL78215 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL78215 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 11 page ISL78215 7 FN7673.0 August 16, 2010 CS to OUT Delay (Note 9) - 25 40 ns ERROR AMPLIFIER Open Loop Voltage Gain (Note 9) 60 90 - dB Unity Gain Bandwidth (Note 9) 3.5 5- MHz Reference Voltage VFB = VCOMP 2.475 2.514 2.55 V FB Input Bias Current VFB = 0V -1.0 -0.2 1.0 µA COMP Sink Current VCOMP = 1.5V, VFB = 2.7V 1.0 -- mA COMP Source Current VCOMP = 1.5V, VFB = 2.3V -0.4 -- mA COMP VOH VFB = 2.3V 4.80 - VREF V COMP VOL VFB = 2.7V 0.4 - 1.0 V PSRR Frequency = 120Hz, VDD = 12V to 18V (Note 9) 60 80 - dB OSCILLATOR Frequency Accuracy Initial, TJ = +25°C 49 52 55 kHz Frequency Variation with VDD T = +25°C (f18V - f12V)/f12V -0.2 1.0 % Temperature Stability (Note 9) - - 5 % Amplitude, Peak-to-Peak - 1.9 - V RTCT Discharge Voltage - 0.7 - V Discharge Current RTCT = 2.0V 7.2 8.4 9.5 mA OUTPUT Gate VOH VDD to OUT, IOUT = -200mA - 1.0 2.0 V Gate VOL OUT to 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 PWM Maximum Duty Cycle 47 48 % Minimum Duty Cycle - - 0 % NOTES: 7. 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. 8. This is the VDD current consumed when the device is active but not switching. Does not include gate drive current. 9. Limits established by characterization and are not production tested. 10. Adjust VDD above the start threshold and then lower to 15V. Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 3 and “Typical Application” schematics on page 4 and 5. VDD = 15V (Note 10), Rt =10kΩ, Ct = 3.3nF, TA = -40 to +105°C, Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +105°C. (Continued) PARAMETER TEST CONDITIONS MIN (Note 7) TYP MAX (Note 7) UNITS |
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