FAIRCHILD MC78LXXA (LM78LXX KA78LXXA) Data Sheet

The MC78LXXA is a 3-terminal, 0.1A positive voltage regulator produced by FAIRCHILD SEMICONDUCTOR. The maximum output current is 100mA, the output voltage is 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V and 24V, and it has thermal overload protection and short circuit current limiting functions. The output voltage is offered in ± 5% tolerance.


FAIRCHILD MC78LXXA (LM78LXX KA78LXXA) Data Sheet - cover page
Brand
Fairchild
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
7
File format
PDF
File size
120 KB
Published
08 June, 2012
Updated
30 September, 2023
MD5 checksum
C3905647CB7153FE606B8DFA8C8F1CDE

About this manual

This document is a technical datasheet for the MC78LXXA (also known as LM78LXX and KA78LXXA) series of fixed positive voltage regulators manufactured by Fairchild Semiconductor. The device is a monolithic integrated circuit designed to provide regulated DC voltages up to 100mA output current.

The datasheet details the electrical characteristics for various output voltage options, including 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, and 24V. It provides absolute maximum ratings, typical application circuits using TO-92 and SOP packages, and specific performance parameters such as line regulation, load regulation, quiescent current, ripple rejection, and temperature coefficients.

What's inside

  • Features
  • Ordering Information
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Typical Application

Specifications

Maximum Output Current100mA
Output Voltage Options5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V and 24V
Operating Junction Temperature Range0~+150 °C
Quiescent Current (Typical)2.0 mA to 6.0 mA

Frequently asked questions

What is the maximum output current of the MC78LXXA?

The maximum output current is 100mA.

What is the typical dropout voltage at 25°C?

Download PDF (120 KB)

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