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AP3407KTR-G1 Datasheet(PDF) 5 Page - BCD Semiconductor Manufacturing Limited |
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AP3407KTR-G1 Datasheet(HTML) 5 Page - BCD Semiconductor Manufacturing Limited |
5 / 11 page Data Sheet 1.2A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3407/A Dec. 2011 Rev. 1. 3 BCD Semiconductor Manufacturing Limited 5 Recommended Operating Conditions Parameter Symbol Min Max Unit Input Voltage VIN 2.5 5.5 V Maximum Output Current IOUT (MAX) 1.2 A Operating Ambient Temperature TA -40 85 ºC Electrical Characteristics VIN=VDD =VPVDD=3.3V, TA=25℃, unless otherwise specified. Parameters Symbol Conditions Min Typ Max Unit Input Voltage VIN 2.5 5.5 V Quiescent Current IQ VFB=0.65V 62 100 µA Shutdown Supply Current ISTBY VEN=GND 0.1 1 µA Reference Voltage VREF For Adjustable Output Voltage 0.588 0.6 0.612 V Feedback Bias Current IFB VFB=VIN -0.1 0.1 µA Output Voltage Accuracy ∆V OUT -2 2 % PMOSFET RON RDS(ON)_ P ISW = 200mA 0.28 Ω NMOSFET RON RDS(ON) _N ISW = -200mA 0.25 Ω Switch Current Limit ILIM VFB=0.55V 1.5 2.0 A VH 1.5 EN Pin Threshold VL 0.4 V UVLO Threshold VUVLO VDD Rising 2.3 UVLO Hysteresis VHYS 0.2 V Oscillator Frequency fOSC 1.12 1.40 1.68 MHz Max. Duty Cycle DMAX VFB=0V 100 Min. Duty Cycle DMIN VFB=6.5V 0 % N-MOS SW Leakage Current VIN=3.3V, VSW=3.3V 0.1 µA Soft-start Time t 1 ms Thermal Shutdown TOTSD 160 ºC Thermal Shutdown Hysteresis THYS 20 ºC |
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