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LX8940 Datasheet(PDF) 1 Page - Microsemi Corporation |
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LX8940 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 6 page LX8940 PRODUCTION DATA SHEET Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 1 Copyright © 2000 Rev. 1.3a, 2005-11-18 5V Low Dropout Regulator TM ® DESCRIPTION The LX8940 is a 5V, low dropout, low quiescent current regulator rated for 1A of output current. It can regulate with as low as 0.4V headroom between the input and output voltages, 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 computer monitors that have to comply with energy-efficient / "Green PC" programs, where the input voltage drops to only a few tenths of a volt above the output when power supply enters sleep-mode operation. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com PRODUCT H I GHLIGHT Part VIN OUT GND LX8940 0.1µF 10µF 5V / 100mA 5.3V KEY FEATUR ES 2% Internally Trimmed Output Output Current In Excess Of 1A Input-Output Differential Less Than 0.4V At 1A Reverse Battery Protection 60V Load Dump Protection -50V Reverse Transient Protection Short Circuit Protection Internal Thermal Overload Protection Available In 3-Lead Plastic TO- 220 Drops In Most lM2940 Sockets APPLI C ATION S Small Headroom Battery Applications High Efficiency Linear Regulators Post Regulators For Switching Power Supplies Green PC Monitor Applications T A = 25°C C O = 47µF Electrolytic C IN = 1µF V IN = 5.3V Load Transient Response 5.00V 4.98V 100mA 0mA 125°C 25°C -40°C 600 500 400 300 200 100 0 100 500 1000 Output Current (mA) Dropout Voltage vs. Output Current v.s Temperature Time (20µS / Div.) PACKAGE ORDER INFO P Plastic TO-220 3-Pin TA (°C) RoHS Compliant / Pb-free Transition DC: 0543 0 to 125 LX8940CP -40 to 125 LX8940IP Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8940IP-TR) |
Similar Part No. - LX8940_05 |
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Similar Description - LX8940_05 |
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