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3 / 5 page LM317A LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R101-026.G ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input-Output Voltage Differential VIN-VOUT 40 V Power Dissipation PD Internally limited Junction Temperature TJ +125 °C Operating Temperature TOPR -40 ~ +85 °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 SOT-223 140 °C/W TO-220/TO-220F2 50 °C/W TO-252 103 °C/W Junction to Ambient TO-263/TO-263-3 θJA 62.5 °C/W SOT-223 23.5 °C/W TO-220/TO-263 TO-263-3 5 °C/W TO-220F2 8 °C/W Junction to Case TO-252 θJC 12 °C/W ELECTRICAL CHARACTERISTICS (VIN-VOUT=5V, IOUT=0.5A, PMAX=20W, TA=25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Line Regulation ∆VOUT/VOUT 3V≤VIN-VOUT≤40V, IOUT=100mA 0.01 0.04 %/V VOUT≤5V 5 25 mV Load Regulation ∆VOUT 10mA≤IOUT≤1.5A VOUT≥5V 0.1 0.5 % Adjustable Pin Current IADJ 50 100 μA Adjustable Pin Current Change ∆IADJ 3V≤VIN-VOUT≤40V, 10mA≤IOUT≤500mA 0.2 5 μA Reference Voltage VREF 3V≤VIN-VOUT≤40V, 10mA≤IOUT≤1.5A, PD<PMAX 1.20 1.25 1.30 V Temperature Stability TMIN≤TJ≤TMAX 0.7 %/VOUT Minimum Load Current for Regulation IL(MIN) VIN-VOUT=40V 4.5 mA VIN-VOUT=40V, PD≤PMAX 0.3 0.4 A Maximum Output Current IO(MAX) VIN-VOUT=15V, PD<PMAX 1.5 2.2 A RMS Noise vs. %of VOUT eN 10HZ≤f≤10KHZ 0.003 %/VOUT CADJ=0 65 dB Ripple Rejection RR VOUT=10V,f=120HZ CADJ=10μF 66 80 dB |
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