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AP3003S-12E1 Datasheet(PDF) 7 Page - BCD Semiconductor Manufacturing Limited |
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AP3003S-12E1 Datasheet(HTML) 7 Page - BCD Semiconductor Manufacturing Limited |
7 / 16 page 150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet 7 Feb. 2007 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Parameter Symbol Conditions Min Typ Max Unit Feedback Bias Current IFB Adjustable Version Only, VFB=1.3V 10 50 100 nA Oscillator Frequency f (Note 3) 127 110 150 173 173 kHz Saturation Voltage VSAT ILOAD=3A ( No output devices, VFB=0V) 1.2 1.5 1.6 V Maximum Duty Cycle DMAX VFB=0V 100 % Minimum Duty Cycle DMIN VFB=1.3V 0 % Current Limit ICL Peak Current , No output devices, VFB=0V 3.6 3.4 4.5 6.9 7.5 A Output Leakage Current ISWL Output=0V, No output devices, VFB=1.3V, VIN=32V 50 µA Output=-1V, No output devices, VFB=1.3V, VIN=32V 2 30 mA Quiescent Current IQ VFB=1.3V 5 10 mA Standby Quiescent Current ISTBY ON/OFF Pin=5V, VIN=18V 80 200 250 µA ON/OFF Pin Logic Input Threshold Voltage VIL Regulator ON 0.6 V VIH Regulator OFF 2.0 ON/OFF Pin Input Current IH VPIN5=2.5V (Regulator OFF) 5 15 µA IL VPIN5=0.5V (Regulator ON) 0.02 5 µA For All Output Voltage Versions Unless otherwise specified , VIN=12V for 3.3V, 5V and adjustable version, VIN=24V for 12V version, ILOAD=500mA, TJ=25 oC. Specifications with boldface type apply over Full Operating Junction Temperature Range. Electrical Characteristics (Continued) Note 3: The switching frequency is reduced when the second stage current limit is activated. Note 4: The specifications with boldface are GBD (Guaranteed By Design ). |
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