Various L1085D - 3A Adjustable Low Dropout Linear Regulator (LDO) free download

File name L1085D - 3A Adjustable Low Dropout Linear Regulator (LDO).pdf

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