NATIONAL SEMICONDUCTOR LP2982 Micropower 50 mA Ultra Low-Dropout Regulator in SOT-23 micro SMD Packages Manual

The LP2982 is a 50mA ultra-low dropout regulator from TI company, using SOT-23 and micro SMD packages, the working voltage range is 2.5V-5.0V, the typical dropout voltage is 120mV@50mA load, 7mV@1mA load, the minimum working voltage is 2.3V, the minimum static current is 1µA, supports 1.0% precision output voltage, and the typical output noise is 30µV, it can meet the needs of various battery-powered applications.


NATIONAL SEMICONDUCTOR LP2982 Micropower 50 mA Ultra Low-Dropout Regulator in SOT-23 micro SMD Packages Manual - cover page
Brand
National Semiconductor
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
17
File format
PDF
File size
863 KB
Published
09 May, 2012
Updated
30 September, 2023
Models
SOT-23, LP2982
MD5 checksum
F5853E9BD6439F4D883CC9D919C0049C

About this manual

The LP2982 is a fixed‑output voltage regulator designed for battery‑powered applications. It provides ultra‑low dropout voltage, low ground‑pin current, and minimal quiescent current in shutdown mode, making it suitable for space‑constrained designs.

Key features include a typical dropout of 180 mV at 80 mA, output‑voltage accuracy of 1.0 % (A‑grade), high peak current capability of 150 mA, and operation over a 2.1 V to 16 V supply range. The device is offered in 5‑lead SOT‑23 (M5) and micro‑SMD 5‑bump (BPA05) packages.

What's inside

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

Specifications

Output voltage accuracy1.0% (A Grade)
Typical dropout voltage180 mV @ 80 mA
Ground pin current (50 mA load)375 pA
Operating input voltage range2.1 V to 16 V
Maximum output current150 mA (typical)
Junction temperature range-40 °C to +125 °C

Frequently asked questions

What is the typical dropout voltage of the LP2982?

The typical dropout voltage is 180 mV at an 80 mA load.

What is the operating input voltage range for the LP2982?

The regulator operates from 2.1 V up to 16 V.

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