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LM2940 데이터시트(PDF) 6 Page - E-Tech Electronics LTD |
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LM2940 데이터시트(HTML) 6 Page - E-Tech Electronics LTD |
6 / 12 page LM2940 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 6 of 12 www.unisonic.com.tw QW-R102-016.M ELECTRICAL CHARACTERISTICS(Cont.) UTC LM2940-15V PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT 16.75V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A 14.55 15.00 15.45 V Line regulation △ VOUT VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA 20 150 mV Load Regulation △ VOUT 50mA ≤ IOUT ≤ 1A 70 150 mV Output Impedance ROUT 100mA DC and 20mARMS, fO=120Hz 100 mΩ Quiescent Current IQ VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA 10 15 mA Output Noise Voltage eN 10Hz-100kHz, IOUT =5mA 450 μVRMS Ripple Rejection RR fO=120Hz, 1VRMS, IOUT =100mA 52 64 dB Long Term Stability 60 mV/1000Hr Dropout Voltage VD IOUT =1A 0.5 0.8 V IOUT =100mA 0.11 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 Note: Output current will decrease with temperature increase but will not drop below 1A at the maximum specified temperature. |
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