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ISL8117DEMO2Z Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL8117DEMO2Z Datasheet(HTML) 8 Page - Intersil Corporation |
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8 / 23 page  ISL8117 8 FN8666.3 June 4, 2015 Submit Document Feedback DEFAULT INTERNAL MINIMUM SOFT-STARTING tSS_MIN Default Internal Output Ramping Time SS/TRK open 1.5 ms POWER-GOOD MONITORS VPGOV PGOOD Upper Threshold 109 112.5 115 % VPGUV PGOOD Lower Threshold 85 87.5 92 % VPGLOW PGOOD Low Level Voltage I_SINK = 2mA 0.35 V IPGLKG PGOOD Leakage Current PGOOD = 5V 20 150 nA PGOOD TIMING tPGR VOUT Rising Threshold to PGOOD Rising (Note 11)1.1 5 ms tPGF VOUT Falling Threshold to PGOOD Falling 75 µs REFERENCE SECTION VREF Internal Reference Voltage 0.600 V Reference Voltage Accuracy TA = 0°C to +85°C -0.75 +0.75 % TA = -40°C to +125°C -1.00 +1.00 % IFBLKG FB Bias Current -40 0 40 nA PWM CONTROLLER ERROR AMPLIFIERS DC Gain 88 dB GBW Gain-BW Product 8MHz SR Slew Rate 2.0 V/µs PWM REGULATOR tOFF_MIN Minimum Off Time 308 ns tON_MIN Minimum On Time 40 ns DVRAMP Peak-to-peak Sawtooth Amplitude VIN = 20V 1.0 V VIN = 12.0V 0.6 V Ramp Offset 1.0 V SWITCHING FREQUENCY fSW Switching Frequency RT = 36k 890 1050 1195 kHz Switching Frequency RT = 16.5k 1650 2000 2375 kHz Switching Frequency RT PIN connect to GND 250 300 350 kHz Switching Frequency RT PIN connect to VCC5V or FLOAT 515 600 645 kHz VRT RT Voltage RT = 36k 770 mV CLOCK OUTPUT AND SYNCHRONIZATION VCLKH CLKOUT Output High ISOURCE = 1mA VCC5V - 0.3 V VCLKL CLKOUT Output Low ISINK = 1mA 0.3 V FCLK CLKOUT Frequency RT = VCC5V 515 600 645 kHz FSYNC SYNC Synchronization Range RT = 36kΩ 1230 2200 kHz DIODE EMULATION MODE DETECTION VMODETHH MOD/SYNC Threshold High 1.1 1.6 2.1 V VMODEHYST MOD/SYNC Hysteresis 200 mV VCROSS Diode Emulation Phase Threshold (Note 10)VIN = 12V -3 mV Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Block Diagram” on page 5 and “Typical Application Schematics” on page 6. VIN = 4.5V to 60V, or VCC5V = 5V ±10%, C_VCC5V = 4.7µF, TA = -40°C to +125°C, Typical values are at TA = +25°C, unless otherwise specified. Boldface limits apply across the operating temperature range, -40°C to +125°C. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 9)TYP MAX (Note 9)UNIT |
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