LM2931S-5.0
- Mfr.Part #
- LM2931S-5.0
- 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
- 1
- In Stock :
- 1
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Current - Quiescent (Iq) :
- 1mA
- Radiation Hardening :
- No
- Output Configuration :
- Positive
- Number of Outputs :
- 1
- Lead Free :
- Contains Lead
- Pbfree Code :
- No
- Output Voltage 1 :
- 5V
- Input Voltage Absolute-Max :
- 26V
- Quiescent Current :
- 400μA
- Number of Functions :
- 1
- Package / Case :
- TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
- PSRR :
- 55dB (120Hz)
- Output Type :
- FIXED
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- JESD-609 Code :
- e0
- Number of Pins :
- 3
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Input (Max) :
- 26V
- Dropout Voltage :
- 300mV
- Protection Features :
- Over Temperature, Reverse Polarity, Short Circuit
- Base Part Number :
- LM2931
- Terminal Position :
- Single
- Dropout Voltage1-Nom :
- 0.3V
- Operating Temperature :
- -40°C~85°C
- Height Seated (Max) :
- 4.79mm
- Current - Supply (Max) :
- 15mA
- Input Voltage (Min) :
- 6V
- Number of Terminations :
- 3
- Mount :
- Surface Mount
- Number of Regulators :
- 1
- Terminal Form :
- Gull wing
- Packing Method :
- Rail
- Terminal Pitch :
- 2.54mm
- Output Voltage :
- 5V
- Packaging :
- Tube
- Width :
- 8.64mm
- Peak Reflow Temperature (Cel) :
- 235
- Current - Output :
- 100mA
- RoHS Status :
- Non-RoHS Compliant
- Voltage Tolerance-Max :
- 10%
- Pin Count :
- 4
- Voltage Dropout (Max) :
- 0.3V @ 100mA
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Datasheets
- LM2931S-5.0

Voltage Regulators - Linear National Semiconductor LM2931S-5.0 Overview
The LM2931S-5.0 from National Semiconductor is a high-quality low-dropout (LDO) linear voltage regulator specifically engineered for maintaining stable output even under low input voltage and variable load conditions. This voltage regulator is a preferred choice for applications requiring up to 100 mA of output current with a fixed output voltage of 5.0V. Its robust design ensures reliability and efficiency, making it ideal for sensitive electronic applications where voltage accuracy is critical. The inclusion of features such as current limiting and thermal shutdown provides additional layers of protection, enhancing the longevity and performance of the device.
LM2931S-5.0 Features
The LM2931S-5.0 offers several features that make it a versatile and robust component for various applications. It provides a stable and fixed 5V output with low dropout performance, essential for consistent operation. Additionally, the device includes over-current protection and thermal overload protection, ensuring safe operation under all conditions. The regulator's low quiescent current makes it an excellent choice for battery-powered devices, helping to extend battery life without compromising performance.
LM2931S-5.0 Applications
- Automotive Electronics: Used in car audio systems and GPS units to provide stable voltage despite fluctuations in battery power.
- Portable Devices: Powers handheld devices, ensuring consistent operation and battery efficiency in compact electronics.
- Solar-Powered Systems: Ideal for outdoor solar applications where the regulator maintains consistent output in variable lighting conditions.
- Emergency Lighting: Employed in emergency lighting systems to ensure reliable operation during power outages with minimal battery drain.
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