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P3576 Datasheet(PDF) 4 Page - Unisonic Technologies |
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P3576 Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 6 page P3576 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 6 www.unisonic.com.tw QW-R103-054.F ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified ) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC +45 V ON/OFF Pin Input Voltage VEN -0.3 ~ 40 V Feedback Pin Voltage VFB -0.3 ~ 12 V Output Voltage to Ground VOUT -0.8 V Operating Supply Voltage VOP +4.5 ~ +40 V Power Dissipation PD Internally Limited W Junction Temperature TJ +125 °C Operating Temperature TOPR -40~+125 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θJA 60 °С/W Junction to Case θJC 20 °С/W Note: θJA is measured with the PCB copper area(need connect to SW pins) of approximately 1.5 in 2(Multi-layer). ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified, VCC=12V for 3.3V, 5V, adjustable version and VCC=18V for the 12V version. ILOAD=0.2A.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Quiescent Current IQ VFB=12V force driver off 4 8 mA Feedback Bias Current ADJ IFB VFB=1.3V -10 -50 nA Shutdown Supply Current ISD EN pin=5V, VCC=40V 100 200 μA Oscillator Frequency fOSC 44 50 56 KHz Oscillator Frequency of Short Circuit Protect ADJ fSCP VFB<0.5V 25 KHz Fixed VOUT <VOUT*40% 25 KHz Duty Cycle MAX DC VFB=0V force driver ON 100 % MIN DC VFB=12V force driver OFF 0 % Current Limit ICL Pear current, No outside circuit VFB=0V force driver on 2.5 A Load Regulation(∆VOUT /VOUT) ∆VOUT IOUT=0.2 ~ 2A 0.6 1.2 % Saturation Voltage VSAT IOUT=2A, No outside circuit VFB=0V force driver on 1.2 1.4 V SW pin Leakage Current SW pin=0V ISWL No outside circuit VFB=12V force driver off -200 μA SW pin=-0.8V VCC=40V force driver off -5 mA EN pin Logic Input Threshold Voltage Low VIL regulator ON 1.3 0.6 V High VIH regulator OFF 2.0 1.3 V EN pin Logic Input Current IH VEN=2.5V (OFF) -0.1 -10 μA EN pin Input Current IL VEN=0.5V (ON) -0.01 -1 μA Thermal shutdown Temp TSD 135 °C Output Feedback Voltage ADJ VFB ILOAD=0.2A, VOUT programmed for 3.3V 1.193 1.23 1.267 V 3.3V ILOAD=0.2A 3.20 3.30 3.40 5.0V ILOAD=0.2A 4.85 5.00 5.15 12V ILOAD=0.2A 11.64 12.0 12.36 Efficiency ADJ η VCC=12V, ILOAD=2A 79 % 3.3V VCC=12V, ILOAD=2A 80 5.0V VCC=12V, ILOAD=2A 84 12V VCC=15V, ILOAD=2A 90 |
Similar Part No. - P3576_15 |
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Similar Description - P3576_15 |
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