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LM2940S Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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LM2940S Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 5 page Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com LM2940/41 ABSOLUTE MAXIMUM RATINGS Lead Temp. (Soldering, 5 Seconds).................................260°C Input Voltage ........................................................26V Storage Temperature Range.............................. -65° to +150°C Maximum Output Current....................................3.5A Operating Junction Temperature Range Input Supply Voltage (Note1) (Survival)-20V to +60V LM2940/2941 Control Section.................. -45°C +125°C LM2940/2941 Power Transistor.................-45°C +150°C ELECTRICAL CHARACTERISTICS (NOTE 1) at I OUT = 5mA, V IN =V OUT + 1V, I l = 1000mA, C L = 10µF. Ta=25°C, unless otherwise specified. The LM2941 is programmed to output 5V and has V SHUTDOWN ≤ 0.6V PARAMETER CONDITIONS Typ LM2940 Min Max Units 2.5V Version Output Voltage (Note 2) IOUT = 5mA 5mA ≤IOUT≤1.25A, 4.75V≤VIN ≤26V 2.5 2.5 2.475 2.450 2.525 2.550 V 3.3V Version2. Output Voltage (Note 2) IOUT = 5mA 5mA ≤IOUT≤1.25A, 4.75V≤VIN ≤26V 3.3 3.3 3.267 3.234 3.330 3.366 V 5.0V Version Output Voltage (Note 2) IOUT = 5mA 5mA ≤IOUT≤1.25A, 5.5V≤VIN ≤26V 5.0 5.0 4.95 4.90 5.05 5.10 V Output Voltage Accuracy 5mA ≤IOUT≤1.0 A -1 -2 -2.5 1 2 2.5 % All Voltage Options Line Regulation IO = 5mA, (VOUT + 1V) ≤ VIN≤ 26V 0.06 0.5 % Load Regulation VIN = VOUT + 5V, 5mA ≤ IOUT≤ 1 A (Note 2, 6) 0.2 1.6 % ∆V° 20 100 ppm/ °C ∆T Output Voltage (Note 6) Temperature Coef. IO = 5mA 80 150 IO = 1000mA 350 450 Dropout Voltage IO = 1.25A 400 600 mV Ground Current IO = 5mA, VIN = VOUT, +1V IO = 1000mA, VIN = VOUT, +1V IO = 1.25A 240 22 35 350 35 70 µA mA IGNDDO Ground Pin Current at Dropout VIN = 0.5V less than specified VOUT IOUT = 10mA 0.9 mA Current Limit VOUT = 0V (Note 4) 1.7 1.5 A Output Noise Voltage (10Hz to 100kHz) IL = 100mA CL = 10µF CL = 33µF 400 260 µV RMS Reference Voltage 1.235 1.223 1.210 1.247 1.260 V Vmax Reference Voltage (Note 8)` 1.204 1.266 V Adjust Pin Bias Current 40 80 120 nA Reference Voltage Temperature Coefficient (Note 7) 20 ppm/ °C Adjust Pin Bias Current Temperature Coefficient 0.1 nA/ °C |
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