National LP2982 Data Sheet
Summary
The LP2982 is an ultra low-dropout (LDO) linear voltage regulator optimized for reliable, battery-powered devices requiring minimal power loss. This manual provides comprehensive technical details, covering its key features such as extremely low dropout voltage, reduced noise output, and negligible quiescent current. It includes detailed ordering documentation and application circuits for system designers working on portable electronics—including cell phones, PDAs, and cameras—that need stable, efficient power output across standard voltages (2.5V to 5.0V).
Manual Details
| Brand | National |
|---|---|
| Pages | 17 |
| File Size | 414.72 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the typical dropout voltage for this regulator?
Yes, adding an external bypass capacitor can reduce output voltage noise to 30 μV (typical).
What are the physical limitations regarding board space and temperature?
It features a small SOT-23 or micro SMD package and operates in a junction temperature range of -40˚C to +125˚C.
Is there any restriction on using this component for life support devices?
National's products are not authorized for use as critical components in life support systems without express written approval.