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P1595L-AB5-R Datasheet(PDF) 3 Page - Unisonic Technologies |
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P1595L-AB5-R Datasheet(HTML) 3 Page - Unisonic Technologies |
3 / 6 page P1595 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 6 www.unisonic.com.tw QW-R103-047.C ABSOLUTE MAXIMUM RATING (unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC +26 V ON/OFF Pin Input Voltage VEN -0.3 ~ VCC V Feedback Pin Voltage VFB -0.3 ~ 12 V Operating Supply Voltage VOP 4.5~24 V Output Voltage to Ground VOUT -0.8 V Power Dissipation (Note 1) TA=25°C PD 690 mW Operating Temperature TOPR -20 ~ +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 (Note 1) θJA 180 °C/W Junction to Case (Note 1) θJC 38 °C/W Note: 1. It’s Measured with the PCB copper area (need connect to VSS pins) of approximately 1.5 in 2(Multi-layer) ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=12V, ILOAD=0.2A, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Feedback Voltage VFB IOUT=0.2A 0.728 0.750 0.773 V Saturation Voltage VSAT IOUT=1.5A, No outside circuit VFB=0V force driver on 1.2 1.5 V Quiescent Current IQ VFB=1.2V force driver off 4 8 mA Feedback Bias Current IFB IOUT=0.1A -10 -50 nA Shutdown Supply Current ISD VEN=0V 2 10 μA Current Limit I(LIMIT) Pear current, No outside circuit VFB=0V force driver on 1.8 A SW Pin Leakage Current SW pin=0V ISW(LEAK) No outside circuit VFB=1.0V force driver off -50 μA SW pin=-0.8V VCC=24V force driver off -5 mA Oscillator Frequency FOSC 140 200 260 KHz Oscillator Frequency Circuit Protect of Short FSCP (Adjustable) When VFB<0.5V 80 KHz Max. Duty Cycle (ON) DC VFB=1.2V force driver off 0 % Min. Duty Cycle (OFF) VFB=0V force driver on 100 % EN Pin Logic Input Threshold Voltage VIH High (regulator ON) 1.2 2.0 V VIL Low (regulator OFF) 0.5 1.2 V EN pin Logic Input Current IH VEN=2.5V (ON) 20 μA EN pin Input Current IL VEN=0.3V (OFF) -5 μA Thermal Shutdown Temp TSD 135 °C |
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