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

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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