National Semiconductor LM117HV LM317HV 3-Terminal Adjustable Regulator Data Sheet
Summary
This versatile LM117HV/LM317HV series is a high-performance, adjustable 3-terminal positive voltage regulator designed for advanced electronic applications. It provides highly stable, programmable power outputs adaptable from 1.2V up to 57V while supporting continuous currents exceeding 1.5A. The manual offers detailed specifications covering line and load regulation, thermal management, and comprehensive factory protection circuitry. Ideal for electronics engineers who require a single, universal component solution that replaces multiple fixed regulators, ensuring reliable and flexible power delivery across diverse systems.
Manual Details
| Brand | National |
|---|---|
| Pages | 15 |
| File Size | 472.20 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
How do I set a specific adjustable output voltage?
You can set the desired voltage by connecting a fixed resistor between the adjustment terminal and ground.
Does this regulator offer overcurrent protection?
The LM117HV series includes current limit, thermal overload protection, and safe area protection circuitry.
Are external capacitors always necessary for operation?
No, normally no capacitors are needed unless you wish to improve the transient response or output impedance.