National LP2980 Micropower 50 mA Ultra Low‑Dropout Regulator Datasheet

LP2980 is a 50mA micropower low dropout regulator designed by TI. Using the optimized VIP (Vertically Integrated PNP) process, the LP2980 delivers unequaled performance in all key power design specifications.


National LP2980 Micropower 50 mA Ultra Low‑Dropout Regulator Datasheet - cover page
Brand
National Semiconductor
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
18
File format
PDF
File size
424 KB
Published
05 June, 2012
Updated
30 September, 2023
Model
LP2980
MD5 checksum
3D08A5922378DC17ACBA23207F136201

About this manual

The LP2980 micropower regulator is designed for battery‑powered applications such as cellular phones, PDAs and cameras. It offers a typical dropout of 120 mV at 50 mA, 0.5 % output voltage tolerance, and less than 1 µA quiescent current in shutdown mode.

The device is available in SOT‑23 and micro‑SMD packages, requires only 1 µF of external output capacitance, and supports output currents up to 150 mA peak. It operates from 2.1 V to 16 V input and across a temperature range of –40 °C to +125 °C.

What's inside

  • General Description
  • Ordering Information
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Typical Performance Characteristics
  • Typical Applications
  • Physical Dimensions
  • Life Support Policy

Specifications

Dropout Voltage (typical @50 mA)120 mV
Ground Pin Current (typical @50 mA)375 µA
Sleep Mode Quiescent Current<1 µA
Output Voltage Tolerance0.5 %
Required External Output Capacitance1 µF
Maximum Input Voltage (Operating)2.1 V to 16 V
Operating Temperature Range–40 °C to +125 °C

Frequently asked questions

What is the typical dropout voltage at 50 mA load?

The typical dropout voltage is 120 mV at a 50 mA load.

How much external capacitance is required for regulator stability?

Only 1 µF of external output capacitance is required.

What temperature range can the LP2980 operate in?

It operates from –40 °C up to +125 °C.

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