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ISL8117DEMO2Z Datasheet(PDF) 8 Page - Renesas Technology Corp |
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ISL8117DEMO2Z Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 24 page  ISL8117 FN8666 Rev 4.00 Page 8 of 24 Apr 19, 2018 DEFAULT INTERNAL MINIMUM SOFT-STARTING Default Internal Output Ramping Time tSS_MIN SS/TRK open 1.5 ms POWER-GOOD MONITORS PGOOD Upper Threshold VPGOV 109 112.5 115 % PGOOD Lower Threshold VPGUV 85 87.5 92 % PGOOD Low Level Voltage VPGLOW I_SINK = 2mA 0.35 V PGOOD Leakage Current IPGLKG PGOOD = 5V 20 150 nA PGOOD TIMING VOUT Rising Threshold to PGOOD Rising (Note 11)tPGR 1.1 5 ms VOUT Falling Threshold to PGOOD Falling tPGF 75 µs REFERENCE SECTION Internal Reference Voltage VREF 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 % FB Bias Current IFBLKG -40 0 40 nA PWM CONTROLLER ERROR AMPLIFIERS DC Gain 88 dB Gain-BW Product GBW 8 MHz Slew Rate SR 2.0 V/µs PWM REGULATOR Minimum Off Time tOFF_MIN 308 ns Minimum On Time tON_MIN 40 ns Peak-to-Peak Sawtooth Amplitude DVRAMP VIN = 20V 1.0 V VIN = 12.0V 0.6 V Ramp Offset 1.0 V SWITCHING FREQUENCY Switching Frequency fSW 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 RT Voltage VRT RT = 36k 770 mV CLOCK OUTPUT AND SYNCHRONIZATION CLKOUT Output High VCLKH ISOURCE = 1mA VCC5V - 0.3 V CLKOUT Output Low VCLKL ISINK = 1mA 0.3 V CLKOUT Frequency fCLK RT = VCC5V 515 600 645 kHz SYNC Synchronization Range fSYNC RT = 36kΩ 1230 2200 kHz DIODE EMULATION MODE DETECTION MOD/SYNC Threshold High VMODETHH 1.1 1.6 2.1 V MOD/SYNC Hysteresis VMODEHYST 200 mV Diode Emulation Phase Threshold (Note 10)VCROSS 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) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 9)TYP MAX (Note 9)UNIT |
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