LM317S
- Mfr.Part #
- LM317S
- Manufacturer
- National Semiconductor
- Package / Case
- TO-263
- Datasheet
- Download
- Description
- IC REG LINEAR ADJ POS STNDRD REG
- Stock
- 130,840
- In Stock :
- 130,840
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Polarity :
- Positive
- Pbfree Code :
- No
- Dropout Voltage :
- 2V
- Peak Reflow Temperature (Cel) :
- 235
- Package / Case :
- TO-263
- Terminal Form :
- Gull wing
- Max Input Voltage :
- 40V
- Radiation Hardening :
- No
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Current - Output :
- 1.5A
- RoHS Status :
- RoHS Compliant
- JESD-609 Code :
- e0
- Number of Outputs :
- 1
- Current Rating :
- 1A
- Max Operating Temperature :
- 125°C
- Number of Pins :
- 3
- REACH SVHC :
- No SVHC
- Max Output Current :
- 1.5A
- Output Type :
- Adjustable
- Height Seated (Max) :
- 4.79mm
- Max Output Voltage :
- 37V
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Line Regulation-Max (%/V) :
- 0.07
- Width :
- 8.64mm
- Max Supply Voltage :
- 40V
- Input-Output Voltage Differential-Min :
- 3V
- Mount :
- Surface Mount
- Number of Functions :
- 1
- Min Output Voltage :
- 1.2V
- Min Operating Temperature :
- 0°C
- Packing Method :
- Rail
- Min Supply Voltage :
- 3V
- Voltage - Output :
- 37V
- Terminal Position :
- Single
- Termination :
- SMD/SMT
- ECCN Code :
- EAR99
- Min Input Voltage :
- 4.2V
- Dropout Voltage1-Nom :
- 3V
- Number of Terminations :
- 3
- Pin Count :
- 4
- Terminal Pitch :
- 2.54mm
- Datasheets
- LM317S

[Voltage Regulators - Linear] National Semiconductor LM317S Overview
The National Semiconductor LM317S is a versatile integrated circuit (IC) designed to provide adjustable positive voltage regulation in various electronic applications. Renowned for its reliability and precision, this IC offers engineers and manufacturers the flexibility to tailor voltage outputs according to specific requirements, making it an indispensable component in countless electronic devices.
Featuring advanced engineering and robust construction, the LM317S ensures stable and accurate voltage regulation across a wide range of operating conditions. Whether used in industrial equipment, automotive systems, telecommunications devices, or consumer electronics, this regulator delivers consistent performance, enhancing the overall functionality and longevity of the end products.
With its reputation for quality and performance, the National Semiconductor LM317S is the preferred choice for engineers seeking dependable voltage regulation solutions for their designs.
LM317S Features
- Adjustable Output Voltage: The LM317S allows for easy adjustment of output voltage, providing flexibility for various application requirements.
- Wide Input Voltage Range: Capable of accepting a wide range of input voltages, making it suitable for diverse electronic systems.
- High Precision: This IC offers precise voltage regulation, ensuring stable and reliable performance in critical applications.
- Thermal Regulation: Integrated thermal overload protection safeguards the device from overheating, enhancing reliability and safety.
- Compact Design: The LM317S features a compact form factor, enabling space-efficient integration into electronic circuits and systems.
- Low Dropout Voltage: With low dropout voltage characteristics, this regulator minimizes power dissipation and maximizes energy efficiency.
LM317S Applications
- Industrial Automation: The LM317S is commonly used in industrial automation systems for precise voltage regulation in control circuits, ensuring consistent performance and reliability in manufacturing processes.
- Automotive Electronics: In automotive applications, the LM317S regulates voltage for various subsystems such as engine control units (ECUs), infotainment systems, and lighting, maintaining stable operation despite fluctuations in battery voltage.
- Telecommunications Equipment: Telecom equipment manufacturers rely on the LM317S to provide stable voltage outputs for communication devices, ensuring uninterrupted connectivity and signal integrity.
- Consumer Electronics: From power supplies to audio equipment, the LM317S finds its place in a wide range of consumer electronics, delivering regulated voltage to critical components for optimal performance and longevity.
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