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NCP6324 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP6324 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 14 page NCP6324, NCV6324 www.onsemi.com 4 ELECTRICAL CHARACTERISTICS (VIN = 3.6 V, VOUT = 1.8 V, L = 1 mH, C = 10 mF, typical values are referenced to TJ = 25°C, Min and Max values are referenced to TJ up to 125°C, unless other noted.) Symbol Characteristics Test Conditions Min Typ Max Unit SUPPLY VOLTAGE VIN Input Voltage VIN Range (Note 10) 2.5 − 5.5 V SUPPLY CURRENT IQ VIN Quiescent Supply Current EN high, no load, no switching, PFM Mode EN high, no load, Forced PWM Mode − − 30 5.7 − − mA mA ISD VIN Shutdown Current EN low (Note 9 for NCP6324) − − 1 mA OUTPUT VOLTAGE VOUT Output Voltage Range (Note 7) 0.6 − VIN V VFB FB Voltage PWM Mode 594 600 606 mV FB Voltage in Load Regulation VIN = 3.6 V, IOUT from 200 mA to IOUTMAX, PWM mode (Note 7) − −0.5 − %/A FB Voltage in Line Regulation IOUT = 200 mA, VIN from MAX (VNOM + 0.5 V, 2.5 V) to 5.5 V, PWM mode (Note 7) − 0 − %/V DMAX Maximum Duty Cycle (Note 7) − 100 − % OUTPUT CURRENT IOUTMAX Output Current Capability (Note 7) 2.0 − − A ILIMP Output Peak Current Limit P−Channel 2.3 2.8 3.3 A ILIMN Output Peak Current Limit N−Channel 0.9 A VOLTAGE MONITOR VINUV− VIN UVLO Falling Threshold − − 2.4 V VINHYS VIN UVLO Hysteresis 60 140 200 mV VPGL Power Good Low Threshold VOUT falls down to cross the threshold (percentage of FB voltage) (Note 8) 87 90 92 % VPGHYS Power Good Hysteresis VOUT rises up to cross the threshold (percentage of Power Good Low Threshold (VPGL) voltage) (Note 8) 0 5 7 % TdPGH1 Power Good High Delay in Start Up From EN rising edge to PG going high. (Note 8) − 1.15 − ms TdPGL1 Power Good Low Delay in Shut Down From EN falling edge to PG going low. (Notes 7 and 8) − 8 − ms TdPGH Power Good High Delay in Regulation From VFB going higher than 95% nominal level to PG going high. Not for the first time in start up. (Notes 7 and 8) − 5 − ms TdPGL Power Good Low Delay in Regulation From VFB going lower than 90% nominal level to PG going low. (Notes 7 and 8) − 8 − ms VPG_L Power Good Pin Low Voltage Voltage at PG pin with 5 mA sink current (Note 8) − − 0.3 V PG_LK Power Good Pin Leakage Current 3.6 V at PG pin when power good valid (Note 8) − − 100 nA INTEGRATED MOSFETs RON_H High−Side MOSFET ON Resistance VIN = 3.6 V (Note 9 for NCP6324) VIN = 5 V (Note 9 for NCP6324) − − 160 130 200 − m W RON_L Low−Side MOSFET ON Resistance VIN = 3.6 V (Note 9 for NCP6324) VIN = 5 V (Note 9 for NCP6324) − − 110 100 140 − m W 7. Guaranteed by design, not tested in production. 8. Power Good function is for NCx6324B devices only. 9. Maximum value applies for TJ = 85°C. 10. Operation above 5.5 V input voltage for extended periods may affect device reliability. At the first power−up, input voltage must be > 2.6 V. |
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