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LM2940L-TQ3-T Scheda tecnica(PDF) 3 Page - E-Tech Electronics LTD |
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LM2940L-TQ3-T Scheda tecnica(HTML) 3 Page - E-Tech Electronics LTD |
3 / 12 page LM2940 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 12 www.unisonic.com.tw QW-R102-016.M ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 26 V Power Dissipation PD Internally limited Junction Temperature TJ +150 C Ambient Operating Temperature TO-220/TO-220F TO-263-3/TO-263 TOPR -40 ~ +125 C SOT-223/ TO-252 -40 ~ +85 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 RATING UNIT Junction to Ambient SOT-223 θJA 174 C/W TO-220/TO-220F 60 TO-263/TO-263-3 80 TO-252 125 Junction to Case TO-220/TO-263 TO-263-3 θJC 4 C/W TO-220F 6 TO-252 12 SOT-223 15 ELECTRICAL CHARACTERISTICS (TA=TJ =25C, VIN=VOUT+5V, IOUT=1A and COUT=22μF, unless otherwise specified.) For LM2940-5.0V PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT 6.25V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A 4.85 5.00 5.15 V Line Regulation △ VOUT VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA 20 50 mV Load Regulation △ VOUT 50mA ≤ IOUT ≤ 1A 35 50 mV Output Impedance ROUT 100 mA DC and 20mARMS, fO=120Hz 35 mΩ Quiescent Current IQ VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA 10 15 mA Output Noise Voltage eN 10Hz-100kHz, IOUT=5mA 150 μVRMS Ripple Rejection RR fO=120Hz, 1VRMS, IOUT=100mA 54 72 dB Long Term Stability 20 mV/1000Hr Dropout Voltage VD IOUT=1A 0.5 0.8 V IOUT=100mA 0.13 0.15 Short Circuit Current ISC (Note) 2.5 A Maximum Line Transient TIN ROUT=100Ω, T ≤ 100ms 60 75 V Reverse Polarity DC Input Voltage VRIN ROUT=100Ω -15 -30 V Reverse Polarity Transient Input Voltage VTRRI ROUT=100Ω, T ≤ 100ms -50 -75 V |
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