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ISL28023 데이터시트(PDF) 8 Page - Renesas Technology Corp |
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ISL28023 데이터시트(HTML) 8 Page - Renesas Technology Corp |
8 / 55 page ISL28023 FN8389 Rev 5.00 Page 8 of 55 March 18, 2016 ADC TIMING ts Power-up ADC Conversion Time Resolution ADC[2:0] = 0h 64 70.4 µs ADC[2:0] = 1h 128 140.8 µs ADC[2:0] = 2h 256 281.6 µs ADC[2:0] = 3h 512 563.2 µs ADC[2:0] = 4, 5h 1.024 1.126 ms ADC[2:0] = 6, 7h 2.048 2.253 ms THRESHOLD DETECTORS Overvoltage (OV) VBUS Threshold Voltage Range Vbus_Thres_Rng[2:0] = ALL 25 125 % of FS Overvoltage (OV) VBUS Threshold DAC Step Size Vbus_Thres_Rng[2:0] = ALL 1.56 % of FS Undervoltage (UV) VBUS Threshold Voltage Range Vbus_Thres_Rng[2:0] = ALL 0 100 % of FS Undervoltage (UV) VBUS Threshold DAC Step Size Vbus_Thres_Rng[2:0] = ALL 1.56 % of FS VBUS Threshold Detector Full-Scale Settings ISL28025FI60Z Vbus_Thres_Rng[2:0] = 0; OT_SEL = 0 48 V Vbus_Thres_Rng[2:0] = 1; OT_SEL = 0 24 V Vbus_Thres_Rng[2:0] = 2; OT_SEL = 0 12 V Vbus_Thres_Rng[2:0] = 3; OT_SEL = 0 5 V Vbus_Thres_Rng[2:0] = 4; OT_SEL = 0 3.3 V Vbus_Thres_Rng[2:0] = 5; OT_SEL = 0 2.5 V VBUS Threshold Detector Full-Scale Settings ISL28025FI12Z Vbus_Thres_Rng[2:0] = 0; OT_SEL = 0 12 V Vbus_Thres_Rng[2:0] = 1; OT_SEL = 0 6 V Vbus_Thres_Rng[2:0] = 2; OT_SEL = 0 3 V Vbus_Thres_Rng[2:0] = 3; OT_SEL = 0 2.5 V Vbus_Thres_Rng[2:0] = 4; OT_SEL = 0 0.825 V Vbus_Thres_Rng[2:0] = 5; OT_SEL = 0 0.625 V Over-Temperature Threshold Detector Range OT_SEL = 1 -40 135 °C Over-Temperature Threshold Detector Resolution Error ±5 °C Overcurrent (OC) VSHUNT Threshold Voltage Range OCRNG = ALL 25 125 % of FS Overcurrent (OC) VSHUNT Threshold DAC Step Size OCRNG = ALL 1.56 % of FS VSHUNT Threshold Detector Full-Scale Settings OCRNG = 0 80 mV OCRNG = 1 40 mV MARGINING DAC, ANALOG OUTPUT Resolution 8Bits DNL ±1 LSB Electrical Specifications TA = +25°C, I2CVCC = VCC = 3.3V, VINP = VBUS = 12V, VSENSE = VINP-VINM = 80mV, AUXP-AUXM = 80mV, AuxV = 3V, Conversion Time: Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128, unless otherwise specified. All voltages with respect to GND PARAMETER DESCRIPTION TEST CONDITIONS MIN (Note 6)TYP MAX (Note 6)UNIT |
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