National Semiconductor LM1084 5A Low Dropout Positive Regulators Data Sheet
Summary
The LM1084 is a robust series of low dropout positive regulators designed to efficiently stabilize voltage across various applications. This manual covers detailed technical specifications for models available in adjustable or fixed sets (3.3V, 5.0V, 12V). Key features include handling up to 5A load current, comprehensive thermal and current limiting protection, and stable performance in industrial temperature ranges (-40°C to 125°C). Ideal for engineers designing reliable systems including DC/DC switching converters, battery chargers, and other power-sensitive electronics.
Manual Details
| Brand | National |
|---|---|
| Pages | 13 |
| File Size | 359.35 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the maximum output current and protection provided?
It supports a 5A load and includes built-in current limiting and thermal protection.
How can I set a custom or adjustable output voltage?
The adjustable version allows you to set the desired output voltage using only two external resistors.
What is the typical dropout voltage when running at full load?
At 5A of load, the minimum dropout voltage is typically documented between 1.3V and 1.5V.