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LM340 - 3-Terminal Positive Regulators

General Description

tion, making them essentially indestructible.

rent.

Key Features

  • n Complete specifications at 1A load n Output voltage tolerances of ±2% at Tj = 25˚C and ±4% over the temperature range (LM340A) n Line regulation of 0.01% of VOUT/V of ∆VIN at 1A load (LM340A) n Load regulation of 0.3% of VOUT/A (LM340A) n Internal thermal overload protection n Internal short-circuit current limit n Output transistor safe area protection n P+ Product Enhancement tested Typical.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM340/LM78XX Series 3-Terminal Positive Regulators July 2006 LM340/LM78XX Series 3-Terminal Positive Regulators General Description The LM140/LM340A/LM340/LM78XXC monolithic 3-terminal positive voltage regulators employ internal current-limiting, thermal shutdown and safe-area compensa- tion, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output cur- rent. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed volt- age regulators, these devices can be used with external components to obtain adjustable output voltages and cur- rents.