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ACE701 Fiches technique(PDF) 4 Page - ACE Technology Co., LTD. |
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ACE701 Fiches technique(HTML) 4 Page - ACE Technology Co., LTD. |
4 / 13 page ACE701 PFM STEP-UP DC/DC Converter with High Efficiency and Low Noise VER 1.5 4 Electrical Characteristics Parameter Symbol Test Conditions Min Typ Max Unit Output Voltage Vout 2.45 2.5 2.55 V 2.646 2.7 2.754 2.94 3.0 3.06 3.234 3.3 3.366 3.528 3.6 3.672 3.92 4.0 4.08 4.9 5.0 5.1 5.88 6.0 6.12 Input Voltage Vin 12 V Input Current Lin Iout=0mA, Vin=Vout*0.6 12 15 uA Start-up voltage Vstart Iout=1mA, Vin:02V 0.8 0.9 V Hold-on voltage Vhold Iout=1mA, Vin:20V 0.6 0.7 V Quiescent current drawn from power source IDD Without external components, Vout=Vout x 1.05 4 7 uA Switch ON Resistance Rswon 0.4 0.5 Ω LX leakage current ILXleak Vout=Vlx=6V 0.5 5 uA CE “H” threshold voltage VCEH VCE: 02V 0.6 0.9 V CE “L” threshold voltage VCEL VCE: 20V 0.3 0.6 V Oscillator frequency FOSC LX on “L” side Vout=Vout * 0.96 300 350 400 Khz Oscillator duty cycle Maxdty On (Vlx “L”) side 70 75 80 % Efficiency η 85 % Note : 1. Diode: Schottky type, such as: 1N5817, 1N5819, 1N5822 2. Inductor: 27uH(R<0.5Ω) 3. Capacitor: 100uF (Tantalum type) Typical Application Circuit D 1N5819 Vin Vout L 27uH LX LX OUT Iout Cin 47uF ACE701 GND Cout Rload 100uF Tan |
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