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L7905CV 1A Negative Fixed Voltage Regulator

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Quoting product code: WQ92A

£0.39

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About this product

Overview

  • No external components required
  • Internal thermal overload protection
  • Internal short circuit current limiting

Product overview

• No external components required• Internal thermal overload protection• Internal short circuit current limiting• Output transistor safe-area compensation• Output voltage tolerance of 2%

This regulator employs current limiting, thermal shutdown and safe-area compensation - making it remarkably rugged under most operating conditions. It is supplied in TO-220 style case. It has a voltage drop of 1.1V and a peak output current of 2.1A.

Specification

Order Part Case Output Line Load
Code: Number: Style: Voltage V: Regulation Regulation
mV: mV:
WQ92A TS7905CZ TO220 -5V 3 10

The manufacturer spec suggests with input between -7V > -35V, output will be -5V +-0.1V. Mine will regulate OK until approx. -9V, then with input any further negative, the output voltage is just the input value +4V. Is this how it's meant to work?

Asked by: Hugh
A datasheet with the full specifications and operational characteristics can be found here https://maplindownloads.s3-eu-west-1.amazonaws.com/wq92datasheet-5817.pdf Unfortunately we are unable to offer any advice as to application or usage of the component in a circuit or project.
Answered by: Les
Date published: 2017-06-28
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