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LX8941 Datasheet(PDF) 1 Page - Microsemi Corporation |
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LX8941 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 5 page LX8941 PRODUCTION DATA SHEET Microsemi Analog Mixed Signal Group 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 1 Adjustable Low Dropout Regulator TM ® Copyright © 2001 Rev. 1.0, 2011-02-04 DESCRIPTION The Microsemi LX8941 is an adjustable, low dropout regulator rated for more than 1A of output current. It can regulate with as low as 0.8V headroom between the input and output voltages, at 1A output current, thus minimizing power dissipation. In addition, it can be used in applications where worst case supplies require a low input / output differential to maintain regulation. This feature makes it ideal for some processor applications that require 4V operation from a 5V supply. In addition, the LX8941 provides an on / off switch that reduces the IC quiescent current when activated, making it ideal for battery operated applications. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com KEY FEA T URES 2% Internally Trimmed Output Output Current In Excess of 1A Input – Output Differential Less Than 0.8V @ 1A Reverse Battery Protection Short Circuit Protection Internal Thermal Overload Protection Available in 5-Lead Plastic TO-220 & Surface-Mount TO-263 PRODUCT HIGHLIG HT IN OUT ADJ Part LX8941 10 µF R1 412 R2 187 22µF 4V ON OFF 5V 600 500 400 300 200 100 0 100 500 1000 125°C 25°C -40°C Output Current (mA) Dropout Voltage vs. Output Current vs. Temperature PACKAGE ORDER INFO TA (°C) Plastic TO-220 5 pin Plastic TO-263 5 Pin P DD RoHS Compliant / Pb-free Transition DC: 0543 RoHS Compliant / Pb-free Transition DC: 0535 0 to 70 LX8941CP LX8941CDD Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8941CDD-TR) |
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