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NCP1523FCT2G Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP1523FCT2G Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 14 page NCP1523 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (Typical values are referenced to TA = +25°C, Minimum and Maximum values are referenced −40°C to +85°C ambient temperature, unless otherwise noted, operating conditions VIN = 3.6 V, VOUT = 1.8 V unless otherwise noted) Symbol Rating Min Typ Max Unit VIN Input Voltage Range 2.7 5.5 V VUVLO Under voltage Lockout (VIN Falling) 2.4 V Iq Quiescent Current PFM no load 60 95 mA ISTB Standby Current, EN Low 0.3 1.2 mA FOSC Oscillator Frequency 2.400 3 3.600 MHz ILIM Peak Inductor Current 1200 mA VREF Feedback Reference Voltage 0.6 V VFBtol FB Pin Tolerance Overtemperature −3 3 % DVFB Reference Voltage Line Regulation 0.1 % VOUT Output Voltage Accuracy (Note 5) −3% Vnom +3% V VOUT Minimum Output Voltage 0.9 V VOUT Maximum Output Voltage 2.3 V DVOUT Output Voltage Line Regulation (VIN = 2.7 – 5.5) IO = 100 mA 0.1 % VLOA- DREG Voltage Load Regulation (IO = 150 mA to 300 mA) (IO = 150 mA to 600 mA) 0.0005 0.001 %/mA %/mA Duty Cycle 100 % RSWH P−Channel On−Resistance 300 mW RSWL N−Channel On−Resistance 300 mW ILeakH P−Channel Leakage Current 0.05 mA ILeakL N−Channel Leakage Current 0.01 mA VENH Enable Pin High 1.2 V VENL Enable Pin Low 0.4 V TSTART Soft−Start Time 350 450 ms 5. The overall output voltage tolerance depends upon the accuracy of the external resistor (R1, R2). |
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