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LM2940G-XX-AA3-R Datenblatt(PDF) 3 Page - Unisonic Technologies |
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LM2940G-XX-AA3-R Datenblatt(HTML) 3 Page - Unisonic Technologies |
3 / 11 page LM2940 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 11 www.unisonic.com.tw QW-R102-016.J ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 26 V Power Dissipation PD Internally limited Junction Temperature TJ +150 °C TO-220/TO-263-3/TO-263 -40 ~ +125 °C Ambient Operating Temperature SOT-223 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 RATING UNIT SOT-223 174 TO-220 60 Junction to Ambient TO-263/TO-263-3 θJA 80 °C/W TO-220 4 Junction to Case TO-263/TO-263-3 θJC 4 °C/W ELECTRICAL CHARACTERISTICS (Ta=TJ =25°C, 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 IOUT=1A 0.5 0.8 Dropout Voltage VD IOUT=100mA 0.13 0.15 V 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 For LM2940-6.0V PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT 7.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A 5.82 6.00 6.18 V Line Regulation △ VOUT VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA 20 60 mV Load Regulation △ VOUT 50mA ≤ IOUT ≤ 1A 40 60 mV Output Impedance ROUT 100 mA DC and 20mArms, fo=120Hz 40 mΩ Quiescent Current IQ VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA 10 15 mA Output Noise Voltage eN 10Hz-100kHz, IOUT=5mA 180 μVrms Ripple Rejection RR fo=120Hz, 1Vrms, IOUT=100mA 60 72 dB Long Term Stability 20 mV/1000Hr IOUT=1A 0.5 0.8 Dropout Voltage VD IOUT=100mA 0.13 0.15 V 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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