National LM2599 User Guide
Summary
This comprehensive manual introduces the LM2599 Simple Switcher, a high-efficiency step-down (buck) voltage regulator designed for sophisticated power supply applications. Engineers can utilize this converter to reliably regulate outputs up to 3A across various fixed voltages (e.g., 3.3V, 5V, 12V). The guide offers detailed technical specifications, electrical characteristics, and operational guidelines, detailing the device’s advanced protection features and high-frequency switching capability for simplified power circuit design.
Manual Details
| Brand | National |
|---|---|
| Pages | 32 |
| File Size | 838.80 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What voltage range does the adjustable version cover?
The adjustable output version ranges from 1.2V to 37V ± 4%.
Does this regulator have integrated fault protection?
Yes, it features general circuits for complete protection under fault conditions, including over-temperature and two-stage current limit.
What is the typical standby current (I_q)?
In low power standby mode, the typical quiescent current consumption (I_q) is approximately 80 μA.
What are the package options available for this series?
It is available in both a standard 7-lead TO-220 and a surface mount TO-263 package.