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NCP4201 Datasheet(PDF) 8 Page - ON Semiconductor |
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NCP4201 Datasheet(HTML) 8 Page - ON Semiconductor |
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8 / 32 page  NCP4201 http://onsemi.com 8 ELECTRICAL CHARACTERISTICS VIN = 5.0 V, FBRTN = GND for typical values TA = 0°C to 85°C, unless otherwise noted. (Note 1 and 3). Parameter Unit Max Typ Min Conditions Symbol POWER−GOOD COMPARATOR Undervoltage Threshold VPWRGD(UV) Relative to nominal DAC output −600 −500 −400 mV Undervoltage Adjustment Range Low PWRGD_LO Register = 000 −500 mV Undervoltage Adjustment Range High PWRGD_LO Register = 111 −150 mV Overvoltage Threshold VPWRGD(OV) Relative to DAC output, PWRGD_Hi = 00 200 300 400 mV Overvoltage Adjustment Range Low PWRGD_Hi Register = 11 150 mV Overvoltage Adjustment Range High PWRGD_Hi Register = 00 300 mV Output Low Voltage VOL(PWRGD) IPWRGD(SINK) = −4 mA 150 300 mV Power Good Delay Time During Soft−Start Internal Timer 2.0 ms VID Code Changing 100 250 ms VID Code Static 200 ns Crowbar Trip Point VCROWBAR Relative to DAC output, PWRGD_Hi = 00 200 300 400 mV Crowbar Adjustment Range PWRGD_HI Register 150 300 mV Crowbar Reset Point Relative to FBRTN 250 300 350 mV Crowbar Delay Time tCROWBAR Overvoltage to PWM going low VID Code Changing 100 250 ms VID Code Static 400 ns PWM OUTPUTS Output Low Voltage IPWM(SINK) = −400 mA VOL(PWM) 160 500 mV Output High Voltage IPWM(SOURCE) = 400 mA VOH(PWM) 4.0 5.0 V PMBus INTERFACE Logic High Input Voltage VIH(SDA, SCL) 2.1 V Logic Input Low Voltage VIL(SDA, SCL) 0.8 V Hysteresis 500 mV SDA Output Low Voltage VOL ISDA = −6 mA 0.4 V Input Current IIH; IIL −1.0 1.0 mA Input Capacitance CSCL, SDA 5.0 pF Clock Frequency fSCL 400 kHz SCL Falling Edge to SDA Valid Time 1.0 ms ALERT / FAULT OUTPUTS Output Low Voltage VOL IOUT = −6 mA 0.4 V Output High Leakage Current IOH VOH = 5.0 V 1.0 uA ANALOG / DIGITAL CONVERTER ADC Input Voltage Range 0 2.0 V Total Unadjusted Error (TUE) ±1.0 % Differential Non−linearity (DNL) 8 Bits 1.0 LSB Conversion Time, Voltage Channel Averaging Enabled (32 averages) 80 ms |
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