National LM1575 LM2575 LM2575HV Owner's Manual
Summary
The LM2575 series provides a high-efficiency DC-DC step-down switching regulator, ideal for engineers requiring compact, stable power management solutions up to 1A. Offering fixed or adjustable outputs (3.3V, 5V, 12V, 15V) and handling wide input voltage ranges, this regulator simplifies circuit design with minimal external components. This resource details the full technical specifications, connection diagrams, various package options (DIP, SMT), and ordering information for seamless integration into your power supply systems.
Manual Details
| Brand | National |
|---|---|
| Pages | 27 |
| File Size | 705.68 KB |
| Published | May 27, 2026 |
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Frequently Asked Questions
What maximum current can the LM2575 series drive?
The regulators are capable of driving up to a 1A load.
Are external components needed for installation?
These simple regulators require only four external components and use readily available standard inductors.
What safety features are included on the device?
It includes current limit protection and thermal shutdown for thorough protection against fault conditions.
What is the recommended input voltage range for the HV version?
The wide input voltage range for the High Voltage (HV) version is from 40V up to 60V.