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ACE722 데이터시트(PDF) 3 Page - ACE Technology Co., LTD. |
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ACE722 데이터시트(HTML) 3 Page - ACE Technology Co., LTD. |
3 / 8 page ACE722 2A Step-down DC-DC Converter VER1.6 3 Electrical Characteristics (Test Conditions: TA=25℃, VIN=12V, unless otherwise noted.) Parameter Symbol Conditions Min Typ Max Units Under Voltage Lockout VUVLO 3.35 3.6 V Feedback Voltage VFB 1.225 1.25 1.275 V FB Pin Bias Current IFB VFB=1.25V 150 600 nA Supply Current IQ VFB=1.3V, VCE=VIN 2 mA Quiescent Current in Shutdown VCE=0V 2 5 uA Reference Line Regulation △VFB/△V VIN=5V to 20V 0.08 %/V Feedback Voltage Temperature Coefficient △VFB/△T -40℃≦Topt≦85℃ ±100 ppm/℃ Oscillator Frequency FOSC_MAX VFB=1.1Vvfb 500 KHz Frequency Shift Threshold on FB Pin FOSCTH FSW=200K 0.44 V Max Duty Cycle DMX 97 % Switch Current Limit ILIMIT 2.5 A Static P-Channel MOSFER On State Resistance Rds_on 90* mΩ Switch Leakage Current ISW 1 uA CE “H” Input Current ICEH VCE=3V 6.7 15 uA C E “L” Input Current ICEL VCE=0V 0.03 0.1 uA CE “H” Input Voltage VCEH VIN=12V 1.8 V CE “L” Input Voltage VCEL VIN=12V 0.4 V Typical Application |
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