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L1087C ๋ฐ์ดํฐ์ํธ(HTML) 1 Page - List of Unclassifed Manufacturers |
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L1087C ๋ฐ์ดํฐ์ํธ(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 L1087 Series SOT-89,TO-92 AUG-30-2001 0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO) NIKO-SEM GENERAL DESCRIPTION The L1087 Series are positive and low dropout three-terminal voltage regulators with 0.8A output current capability. These devices are designed for use in low voltage applications that offers lower dropout volt- age and faster transient response. These devices are fully protected against over current faults, over temperature oper- ation, reversed input polarity, reversed lead insertion, transient voltage spike โฆetc. On-Chips trimming the reference voltage to 1% and features the low dropout of maxi- mum 1.45 volts. The L1087 Series regulators offer fixed and adjustable voltage options available in the space saving SOT-89 & TO-92 package. FEATURES Fixed 3.3V or adjustable output voltage Low dropout voltage Low ground current Fast transient response Current & thermal limiting Line regulation: 0.5% typical Load regulation: 0.5% typical Available in SOT-89 & TO-92 package APPLICATIONS Low voltage micro-controllers Battery Chargers 5V to 3.3V linear regulators Motherboard clock supplies Post regulator for switching supplies TYPICAL APPLICATION - Basic Adjustable Regulator Circuit - - Fixed Voltage Regulator - OUT 2. Cout required for stability. + Cout 10uF Vin > 4.75V GND 1. Cin needed if device is far from filter capacitors. Vout = 3.3V + Cin 10uF RL L1087-3.3 IN IN OUT Iadj ADJ Vref R2 + Cin 10uF 1. Cin needed if device is far from filter capacitors. L1087 2. Cout required for stability. R1 Vo = Vref (1+R2/R1) + Iadj x R2 Vout Vin + Cout 10uF |
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