NATIONAL SEMICONDUCTOR LM2591HV User's Manual
Summary
Need reliable, high-efficiency voltage conversion for your electronic designs? This documentation covers the LM2591HV step-down switching regulator, a robust power converter providing stable 3.3V, 5V, or adjustable output up to 1A. Designed for electrical engineers and hardware developers, the guide details critical performance specifications, package options, internal protection features (including over temperature/load), ensuring seamless integration into demanding circuits.
Manual Details
| Brand | National |
|---|---|
| Pages | 20 |
| File Size | 730.52 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What is the maximum operating voltage for this regulator?
The input voltage range is up to 60V, with absolute ratings listing up to 63V.
Does it provide protection against faults?
Yes, it includes internal over temperature and current limit shutdown for complete fault condition protection.
What switching frequency does the LM2591HV use?
It operates at a fixed switching frequency of 150 kHz.
Is there an adjustable output option available?
Yes, the adjustable version supports an output voltage range between 1.2V to 57V.