LM317AH
- Mfr.Part #
- LM317AH
- Manufacturer
- National Semiconductor
- Package / Case
- TO-205AD, TO-39-3 Metal Can
- Datasheet
- Download
- Description
- IC REG LIN POS ADJ 1.5A TO39-3
- Stock
- 26
- In Stock :
- 26
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Number of Terminations :
- 3
- Power Supply Rejection Ratio (PSRR) :
- 80dB
- Terminal Finish :
- Gold (Au)
- Min Input Voltage :
- 4.2V
- Mounting Type :
- Through Hole
- Width :
- 8.255mm
- Voltage - Output (Min/Fixed) :
- 1.25V
- PSRR :
- 80dB ~ 65dB (120Hz)
- Factory Lead Time :
- 16 Weeks
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Voltage - Input (Max) :
- 40V
- Qualification Status :
- Not Qualified
- Number of Regulators :
- 1
- Height :
- 0m
- Package / Case :
- TO-205AD, TO-39-3 Metal Can
- Quiescent Current :
- 60μA
- Terminal Position :
- BOTTOM
- Max Output Current :
- 500mA
- Mount :
- Through Hole
- Output Configuration :
- Positive
- Thickness :
- 4.445mm
- Reference Voltage :
- 1.262V
- Pbfree Code :
- yes
- Pin Count :
- 3
- Length :
- 8.255mm
- ECCN Code :
- EAR99
- Operating Temperature :
- -40°C~125°C
- Current - Output :
- 1.5A
- Dropout Voltage :
- 170mV
- Packaging :
- Bulk
- Output Type :
- Adjustable
- JESD-609 Code :
- e4
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Base Part Number :
- LM317
- RoHS Status :
- Non-RoHS Compliant
- Terminal Form :
- Wire
- Current - Quiescent (Iq) :
- 10mA
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Functions :
- 1
- Number of Outputs :
- 1
- Lead Free :
- Lead Free
- Accuracy :
- 1 %
- Dropout Voltage1-Nom :
- 2.25V
- Output Voltage Accuracy :
- 1 %
- Output Voltage :
- 37V
- Protection Features :
- Over Temperature, Short Circuit
- Number of Pins :
- 3
- Datasheets
- LM317AH

Voltage Regulators - Linear National Semiconductor LM317AH Overview
The LM317AH, manufactured by National Semiconductor, is a highly efficient integrated circuit voltage regulator designed for positive linear adjustment. With a maximum output current of 1.5A and a TO393 package, this regulator offers precise voltage regulation in various applications, ensuring stable and reliable performance.
Engineered with advanced technology, the LM317AH provides flexibility in voltage regulation, making it suitable for a wide range of electronic devices and systems. Its compact design and high current capability make it an ideal choice for demanding applications where precise voltage control is essential.
Whether you're designing industrial equipment, consumer electronics, or automotive systems, the LM317AH delivers exceptional performance, making it the preferred choice for engineers and designers.
LM317AH Features
- Integrated circuit voltage regulator
- Positive linear adjustment
- Maximum output current of 1.5A
- TO393 package
- Precision voltage regulation
- High efficiency
- Wide voltage range
- Compact design
- Thermal overload protection
- Short-circuit protection
LM317AH Applications
- Industrial Equipment: The LM317AH is commonly used in industrial power supplies, providing stable voltage regulation for machinery, control systems, and instrumentation.
- Consumer Electronics: In consumer electronics devices such as audio amplifiers and LED displays, the LM317AH ensures consistent voltage output, enhancing performance and reliability.
- Automotive Systems: From engine control modules to lighting systems, the LM317AH regulates voltage in automotive applications, ensuring optimal performance and safety on the road.
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