National Semiconductor LP3876-ADJ 3A Fast Ultra Low Dropout Linear Regulator Datasheet

LP3876-ADJ is a 3A fast ultra low drop-out linear regulator from TI, operating from a +2.5V to +7.0V input supply. It has ultra low dropout voltage, low ground pin current, load regulation of 0.08%, 1µA quiescent current in shutdown mode, guaranteed output current of 3A DC, available in TO-263 and TO-220 packages, minimum output capacitor requirements, overtemperature/overcurrent protection, −40˚C to +125˚C junction temperature range. It is suitable for microprocessor power supplies, GTL, GTL+, BTL and SSTL bus terminators, DSP power supplies, SCSI terminator, post regulators, high efficiency linear regulators, battery chargers and other battery powered applications.


National Semiconductor LP3876-ADJ 3A Fast Ultra Low Dropout Linear Regulator Datasheet - cover page
Brand
National Semiconductor
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
14
File format
PDF
File size
287 KB
Published
11 June, 2012
Updated
30 September, 2023
MD5 checksum
293897410E34C9717F1026BB78E4C2C6

About this manual

The LP3876-ADJ is a 3A fast ultra low dropout linear regulator designed for microprocessor applications. It operates from a +2.5V to +7.0V input supply and features an ultra-low dropout voltage, typically 80mV at 300mA and 800mV at 3A load current. The device is developed on a CMOS process to allow low quiescent current operation independent of the output load current.

What's inside

  • General Description
  • Features
  • Applications
  • Typical Application Circuit
  • Connection Diagrams
  • Ordering Information
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Typical Performance Characteristics
  • Physical Dimensions

Specifications

Output Current3A DC
Dropout Voltage (300mA)Typically 80mV
Dropout Voltage (3A)800mV
Quiescent CurrentTypically 6mA
Shutdown CurrentTypically 1A
Operating Junction Temperature-40°C to +125°C
Package TypesTO-263 and 70-220

Frequently asked questions

What is the typical dropout voltage at 3A load?

The typical dropout voltage is 800mV at 3A load current.

What is the guaranteed output current?

The device guarantees an output current of 3A DC.

What are the available package types?

The LP3876-ADJ is available in TO-263 and 70-220 packages.

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