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APW7077ARBI-TUL Datasheet(PDF) 4 Page - Anpec Electronics Coropration |
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APW7077ARBI-TUL Datasheet(HTML) 4 Page - Anpec Electronics Coropration |
4 / 21 page Copyright © ANPEC Electronics Corp. Rev. A.4 - Sep, 2005 APW7077/A www.anpec.com.tw 4 Electrical Characteristics APW7077A Symbol Parameter Test Condition Min Typ Max Unit Step-Up Section VIN Minimum Operating Input Voltage VOUT = VDD 0.9 V VDD Operating Voltage VIN = VDD 1.9 5.5 V Start-up Voltage Io<10mA, VOUT = VDD (<5.5V) 0.9 1 V VOUT = 12V, Io<10mA, VDD = VIN 1.9 2.0 V fSW Operating Frequency VDD = 3.3V, VFB = 0.5V 270 300 330 KHZ Oscillator Frequency Line Regulation 2.0V<VDD<5.5V ±1.2 % DMAX Maximum Duty Cycle VFB = 0.5V 81 88 95 % Maximum Duty Line Regulation 2.0V<VDD<5.5V ±0.5 % Power MOSFET ISOURCE EXT Output Source Current Duty ≤5%, EXT = V DD-0.4V -70 -110 -150 mA ISINK EXT Output Sink Current Duty ≤5%, EXT = 0.4V 80 120 160 mA Control Section Output Voltage Range External Divider 2.0 V VFB Feedback Voltage ILOAD = 0mA 0.98 1 1.02 V Feedback Voltage Line Regulation 2.0V<VDD<5.5V ±0.1 % IFB Feedback Input Current VFB = 1.4V 0.03 50 nA TSS Soft-start Time 10 25 40 ms Soft-start Threshold Voltage Duty = 50% 1.65 V Soft-start Hysteresis Voltage 150 mV VDD = VCE = 3.3V, VFB = 0.5V 150 230 µA Iq Operating Current VDD = VCE = 3.3V, VFB = 1.1V 100 150 µA IOFF Stand-by Current VDD = VCE = 3.3V, VFB = 1.3V 17 25 µA Switch-off Current VDD = 3.3V, VCE = 0V 1 2 µA VCE Logic LOW (VIL) 0.7 V Logic HIGH(VIH) 1.2 V ICE CE Pin Input Current VCE = 0V 1 2 µA VCE = 3.3V 0.07 50 nA (for all values TA = 25 °C, VOUT= 3.3V, unless otherwise noted) |
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