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LM2940-80-TA3-R 데이터시트(PDF) 1 Page - Unisonic Technologies |
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LM2940-80-TA3-R 데이터시트(HTML) 1 Page - Unisonic Technologies |
1 / 11 page UNISONIC TECHNOLOGIES CO., LTD LM2940 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 11 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R102-016.E 1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR DESCRIPTION The UTC LM2940 is a low dropout regulator designed to provide output current up to 1A with a typically 500mV dropout Voltage and a maximum of 1V. It is capable of reducing the ground current when the differential between the input voltage and the output voltage outrun 3V. UTC LM2940 offers low quiescent current (typically 30mA at 1A and an input-output differential of 5V). Higher quiescent currents only exist when the regulator is in the dropout mode (VIN-VOUT≤3V). FEATURES * 500mV typically dropout at 1A * Output current in excess of 1A * Low quiescent current * Reversed-battery protection * Current limit and thermal shutdown. * Mirror image insertion protection SOT-223 1 TO-220 1 1 TO-263-3 1 TO-252 1 TO-263 *Pb-free plating product number: LM2940L ORDERING INFORMATION Order Number Pin Assignment Normal Lead Free Plating Package 1 2 3 Packing LM2940-xx-AA3- R LM2940L-xx-AA3-R SOT-223 I G O Tape Reel LM2940-xx-TA3-T LM2940L-xx-TA3-T TO-220 I G O Tube LM2940-xx-TN3-R LM2940L-xx-TN3-R TO-252 I G O Tape Reel LM2940-xx-TN3-T LM2940L-xx-TN3-T TO-252 I G O Tube LM2940-xx-TQ2-R LM2940L-xx-TQ2-R TO-263 I G O Tape Reel LM2940-xx-TQ2-T LM2940L-xx-TQ2-T TO-263 I G O Tube LM2940-xx-TQ3-R LM2940L-xx-TQ3-R TO-263-3 I G O Tape Reel LM2940-xx-TQ3-T LM2940L-xx-TQ3-T TO-263-3 I G O Tube Note: 1.xx: output voltage, refer to Marking Information. 2.Pin Assignment: I: VIN G: GND O:VOUT LM2940L-xx-AA3-R (1)Packing Type (2)Package Type (3)Output Voltage Code (4)Lead Plating (1) R: Tape Reel, T: Tube (2) AA3: SOT-223, TA3: TO-220, TN3: TO-252, TQ 2: TO-263, TQ3: TO-263-3 (4) L: Lead Free Plating, Blank: Pb/Sn (3) xx: refer to Marking Information |
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