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LP38503-ADJ

Texas Instruments
Part Number LP38503-ADJ
Manufacturer Texas Instruments
Description 3-A FlexCap Low Dropout Linear Regulator
Published Sep 14, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP38501-ADJ, LP38503-ADJ SNVS5...
Datasheet PDF File LP38503-ADJ PDF File

LP38503-ADJ
LP38503-ADJ

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP38501-ADJ, LP38503-ADJ SNVS522I – AUGUST 2007 – REVISED AUGUST 2015 LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.
7-V to 5.
5-V Inputs 1 Features •1 Input Voltage: 2.
7 V to 5.
5 V • Adjustable Output Voltage: 0.
6 V to 5 V • FlexCap: Stable with Ceramic, Tantalum, or Aluminum Capacitors • Stable With 10-µF Input and Output Capacitors • Low Ground-Pin Current • 25-nA Quiescent Current in Shutdown Mode • Ensured Output Current of 3 A • Ensured VADJ Accuracy of ±1.
5% at 25°C (A Grade) • Ensured Accuracy of ±3.
5% at 25°C (STD) • Overtemperature and Overcurrent Protection • ENABLE (EN) Pin (LP38501 only) • –40°C to +125°C Operating Temperature Range 2 Applications • ASIC Power Supplies In: – Printers, Graphics Cards, DVD Players – Set Top Boxes, Copiers, Routers • DSP and FPGA Power Supplies • SMPS Regulator • Conversion from 3.
3-V or 5-V Rail 3 Description TI's FlexCap low-dropout (LDO) linear regulators feature unique compensation that allow use of any type of output capacitor with no limits on minimum or maximum equivalent series resistance (ESR).
The LP38501 and LP38503 series of LDOs operate from a 2.
7-V to 5.
5-V input supply.
These ultra-low-dropout linear regulators respond very quickly to step changes in load, making them suitable for low-voltage microprocessor applications.
Developed on a CMOS process (utilizing a PMOS pass transistor) the LP38501-ADJ and LP38503-ADJ have low quiescent currents that change little with load current.
• GND Pin Current: Typically 2 mA at 3-A load current.
• Disable Mode: Typically 25-nA quiescent current when the EN pin is pulled low.
• Simplified Compensation: Stable with any type of output capacitor, regardless of ESR.
• Precision Output: A grade versions available with 1.
5% VADJ tolerance (25°C) and 3% over line, load, and temperature.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LP38501 LP38503...


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