LM2940SX-8.0
- Mfr.Part #
- LM2940SX-8.0
- Manufacturer
- National Semiconductor
- Package / Case
- TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED POS LDO REG
- Stock
- 20,950
- In Stock :
- 20,950
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Packing Method :
- Tape and Reel
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- RoHS Status :
- Non-RoHS Compliant
- Peak Reflow Temperature (Cel) :
- 235
- Number of Regulators :
- 1
- Mounting Type :
- Surface Mount
- PSRR :
- 66dB (120Hz)
- Terminal Position :
- Single
- Current - Output :
- 1A
- Min Input Voltage :
- 9.4V
- Operating Temperature :
- -40°C~125°C
- ECCN Code :
- EAR99
- Current - Quiescent (Iq) :
- 10mA
- Input Voltage Absolute-Max :
- 60V
- Number of Functions :
- 1
- Package / Case :
- TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
- JESD-609 Code :
- e0
- Output Type :
- FIXED
- Voltage - Input (Max) :
- 26V
- Number of Outputs :
- 1
- Current - Supply (Max) :
- 15mA
- Voltage Tolerance-Max :
- 5%
- Quiescent Current :
- 15mA
- Base Part Number :
- LM2940
- Width :
- 8.64mm
- Mount :
- Surface Mount
- Height Seated (Max) :
- 4.79mm
- Pbfree Code :
- No
- Lead Free :
- Contains Lead
- Radiation Hardening :
- No
- Number of Pins :
- 3
- Protection Features :
- Over Current, Over Temperature, Reverse Polarity, Short Circuit
- Output Configuration :
- Positive
- Dropout Voltage :
- 500mV
- Voltage Dropout (Max) :
- 1V @ 1A
- Terminal Pitch :
- 2.54mm
- Dropout Voltage1-Nom :
- 1V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Output Voltage 1 :
- 8V
- Output Voltage :
- 8V
- Number of Terminations :
- 3
- Pin Count :
- 4
- Packaging :
- Tape and Reel (TR)
- Datasheets
- LM2940SX-8.0

[Voltage Regulators - Linear] National Semiconductor LM2940SX-8.0 Overview
Welcome to the world of precision power management with the LM2940SX-8.0 from National Semiconductor. As a leading name in integrated circuits, National Semiconductor brings forth a linear fixed positive Low Dropout (LDO) regulator designed to meet the demands of modern electronic systems. This IC boasts remarkable stability and performance, ensuring a reliable power supply for your critical applications.
With its sleek design and advanced features, the LM2940SX-8.0 caters to the needs of professionals seeking high-quality voltage regulation solutions. Whether you're in the realm of industrial automation, telecommunications, or automotive electronics, this component stands as a testament to National Semiconductor's commitment to innovation and excellence.
LM2940SX-8.0 Features
- Fixed Positive Voltage Output: The LM2940SX-8.0 offers a fixed output voltage of 8.0V, ensuring stable power delivery for your circuits.
- Low Dropout Voltage: With a low dropout voltage of typically 0.5V at full load, this IC minimizes power dissipation and enhances efficiency.
- Thermal Shutdown Protection: Equipped with built-in thermal shutdown protection, the LM2940SX-8.0 safeguards against overheating, ensuring long-term reliability.
- Short Circuit Protection: This regulator features short circuit protection, preventing damage to the device in case of a fault condition.
- Wide Input Voltage Range: Operating within a wide input voltage range, from 4.5V to 26V, this component offers versatility for various applications.
LM2940SX-8.0 Applications
- Industrial Automation: Employ the LM2940SX-8.0 in industrial control systems, PLCs, and motor drives to ensure stable and precise voltage regulation, enhancing overall system performance and reliability.
- Telecommunications: Integrate this regulator into telecommunications equipment such as routers, switches, and base stations to maintain consistent power supply, ensuring uninterrupted communication networks.
- Automotive Electronics: Enhance the performance of automotive electronics including infotainment systems, navigation devices, and engine control units by utilizing the LM2940SX-8.0 for reliable voltage regulation under varying operating conditions.
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