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MC33063AQDRJR Arkusz danych(PDF) 2 Page - Texas Instruments |
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MC33063AQDRJR Arkusz danych(HTML) 2 Page - Texas Instruments |
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2 / 14 page  MC33063AQ1 1.5A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATOR SLLS654A – APRIL 2005 – REVISED JANUARY 2007 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram _ + Q S 1.25-V Reference Regulator R CT Ipk Oscillator Q2 Q1 Switch Collector 4 Switch Emitter Timing Capacitor GND 3 2 1 8 7 6 5 Comparator Inverting Input VCC Ipk Sense Drive Collector 100 Ω absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC 40 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Comparator Inverting Input voltage range, VIR −0.3 V to 40 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch Collector voltage, VC(switch) 40V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch Emitter voltage (VPIN1 = 40 V), VE(switch) 40V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch Collector to Switch Emitter voltage, VCE(switch) 40V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driver Collector voltage, VC(driver) 40V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driver Collector current, IC(driver) 100 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch current, ISW 1.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 1 and 2): D package 97 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature, TJ 150 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 2. The package thermal impedance is calculated in accordance with JESD 51-7. |
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