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L1085S Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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L1085S Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 7 page  1 3A Adjustable Low Dropout Linear Regulator (LDO) NIKO-SEM L1085 TO-252,263,220 MAY-31-2001 GENERAL DESCRIPTION The L1085 is a positive and low dropout three-terminal voltage regulator with 3A out- put current capability. This device is design- ed for use in low voltage applications that offers lower dropout voltage and faster tran- sient response. This device is fully protected against over current faults, over temperature operation, reversed input polarity, reversed lead insert- ion, transient voltage spike …etc. On-Chips trimming the reference voltage to 1% and features the low dropout of maxi- mum 1.45 volts. The L1085 Series regulators are available in the popular industry standard TO-220 TO-263 and TO-252 packages. FEATURES Very easy to use, it requires only two external resistors to set the output voltage Low dropout voltage: 1.3V typical at up to 3A Low ground current Fast transient response Current & thermal limiting Line regulation: 0.5% typical Load regulation: 0.5% typical TO-220, TO-263 and TO-252 packages APPLICATIONS High current microprocessor supplies Low voltage logic supply Powering VGA & sound card Portable instrumentation Constant current regulator Post regulator for switching power supply TYPICAL APPLICATION - Basic Adjustable Regulator Circuit - + Cin 10uF R2 + Cout 10uF R1 IN ADJ OUT L1085 Vin 1. Cin needed if device is far from from filter capacitors. Iadj Vo = Vref (1+R2/R1) + Iadj x R2 Vout Vref 2. Cout required for stability. |
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