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NCV8669 Datasheet(PDF) 5 Page - ON Semiconductor |
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NCV8669 Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 14 page NCV8669 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS Vin = 13.2 V, VDT = GND, RSI_ext not used, Cin = 0.1 mF, Cout = 2.2 mF, for typical values TJ = 25°C, for min/max values TJ = −40°C to 150°C; unless otherwise noted. (Notes 9 and 10) Parameter Unit Max Typ Min Symbol Test Conditions RESET OUTPUT RO Reset Output Low Voltage Vout > 1 V, IRO < 200 mA VROL − 0.15 0.25 V Reset Output High Voltage VROH 4.5 − − V Integrated Reset Pull Up Resistor RRO 15 30 50 kW Reset Delay Time (Note 14) DT connected to GND DT connected to Vout tRD 12.8 25.6 16 32 19.2 38.4 ms Reset Reaction Time (see Figure 24) tRR 16 25 38 ms EARLY WARNING (SI and SO) Early Warning Input Voltage Threshold (Preset EW Threshold Values) NCV8669y2 High Low RSI1 = 480 kW, RSI2 = 520 kW (internal resistor divider values, see ) RSI_ext = 150 kW (±1%, ±100 ppm/°C) (external resistor value, see Figure 22) Vin_EW(th) 5.67 5.30 6.30 5.89 6.92 6.47 V Integrated Sense Output Pull Up Resistor RSO 15 30 50 kW Sense Output Low Voltage Vin < Vin_EW(th)_Low_Min, ISO < 200 mA, Vout > 1 V VSOL − 0.15 0.25 V Sense Output High Voltage VSOH 4.5 − − V Maximum Sense Output Sink Current VSO = 0.25 V Vin < Vin_EW(th)_Low_Min Vout = 4.5 V ISOmax 1.75 − − mA THERMAL SHUTDOWN Thermal Shutdown Temperature (Note 12) TSD 150 175 195 °C Thermal Shutdown Hysteresis (Note 12) TSH − 25 − °C 9. Refer to ABSOLUTE MAXIMUM RATINGS and APPLICATION INFORMATION for Safe Operating Area. 10.Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at TA [TJ. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible. 11. Measured when output voltage falls 100 mV below the regulated voltage at Vin = 13.2 V. 12.Values based on design and/or characterization. 13.Iq for Preset EW Threshold Options is measured when RSI_ext is not used. For typical values of Iq vs RSI_ext see Figure 23. 14.See APPLICATION INFORMATION section for Reset Thresholds and Reset Delay Time Options |
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