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AP3418KTR-G1 Datasheet(PDF) 5 Page - BCD Semiconductor Manufacturing Limited |
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AP3418KTR-G1 Datasheet(HTML) 5 Page - BCD Semiconductor Manufacturing Limited |
5 / 12 page Data Sheet 1.5A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3418 Aug. 2012 Rev. 1. 2 BCD Semiconductor Manufacturing Limited 5 Electrical Characteristics VIN=5V, TA=25ºC, 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_H VFB=1V -0.1 0.1 µA IFB_L VFB=0V -0.1 0.1 PMOSFET RON RDS(ON)_ P ISW = 200mA 0.2 Ω NMOSFET RON RDS(ON) _N ISW = -200mA 0.15 Ω Switch Current Limit ILIM VFB=0.55V 1.8 2.3 A EN Pin Threshold VH 1.5 V VL 0.4 UVLO Threshold VUVLO VIN Rising 2.3 V UVLO Hysteresis VHYS 0.2 Oscillator Frequency FOSC 1.12 1.40 1.68 MHz Max. Duty Cycle DMAX 100 % Min. Duty Cycle DMIN 0 SW Leakage Current ISW_H VSW =0V 0.1 µA ISW_L VSW =5V 0.1 Soft-start Time tSS 1 ms Thermal Shutdown TOTSD 160 ºC Thermal Shutdown Hysteresis THYS 20 ºC |
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