LM2937ES-12
- Mfr.Part #
- LM2937ES-12
- Manufacturer
- National Semiconductor
- Package / Case
- TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
- Datasheet
- Download
- Description
- IC REG LINEAR LDO
- Stock
- 24,367
- In Stock :
- 24,367
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Lifecycle Status :
- NRND (Last Updated: 1 week ago)
- Terminal Pitch :
- 2.54mm
- Current - Quiescent (Iq) :
- 2mA
- Operating Temperature :
- -40°C~125°C
- Dropout Voltage1-Nom :
- 0.5V
- Output Configuration :
- Positive
- Nominal Output Voltage :
- 12V
- Dropout Voltage :
- 500mV
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Number of Pins :
- 3
- Lead Free :
- Contains Lead
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- JESD-609 Code :
- e0
- Number of Functions :
- 1
- Number of Terminations :
- 3
- Terminal Form :
- Gull wing
- Output Voltage 1 :
- 12V
- Output Voltage Accuracy :
- 5 %
- Base Part Number :
- LM2937
- RoHS Status :
- Non-RoHS Compliant
- Quiescent Current :
- 10mA
- Pin Count :
- 4
- Mounting Type :
- Surface Mount
- Accuracy :
- 5 %
- Height :
- 4.83mm
- Current - Supply (Max) :
- 20mA
- Radiation Hardening :
- No
- Number of Regulators :
- 1
- Output Type :
- FIXED
- Max Output Current :
- 500mA
- Voltage Dropout (Max) :
- 1V @ 50mA
- Width :
- 8.41mm
- Peak Reflow Temperature (Cel) :
- 235
- Thickness :
- 4.44mm
- REACH SVHC :
- No SVHC
- Voltage Tolerance-Max :
- 5%
- Output Voltage :
- 12V
- Number of Outputs :
- 1
- Voltage - Input (Max) :
- 26V
- Mount :
- Surface Mount
- Min Input Voltage :
- 0V
- Packaging :
- Tube
- ECCN Code :
- EAR99
- Package / Case :
- TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
- Protection Features :
- Over Temperature, Reverse Polarity, Short Circuit
- Length :
- 10.18mm
- Terminal Position :
- Single
- Datasheets
- LM2937ES-12

Voltage Regulators - Linear National Semiconductor LM2937ES-12 Overview
The LM2937ES-12 by National Semiconductor is a high-performance linear voltage regulator designed specifically for maintaining stability and efficiency in electronic circuits. As part of the Voltage Regulators - Linear category, this device provides a dependable solution for applications requiring a fixed 12V output with minimal dropout voltage. The LM2937ES-12 ensures reliable operation with its robust thermal protection features and short circuit current limiting, making it a preferred choice for sophisticated electronics requiring a stable power supply. This product's adaptability and durability under various electrical conditions make it ideal for a wide range of industrial and commercial applications.
LM2937ES-12 Features
- Low dropout voltage: Ensures efficient performance even in low input voltage scenarios.
- Output current up to 500 mA: Suitable for a broad range of applications needing moderate power.
- Thermal overload protection: Guards against overheating, enhancing the longevity and reliability of the device.
- Short circuit protection: Provides safety and stability by preventing damage due to excessive current.
- Wide operating temperature range: Performs reliably in diverse environmental conditions.
LM2937ES-12 Applications
- Automotive Electronics: Used in car entertainment and navigation systems to provide stable voltage irrespective of battery fluctuations.
- Portable Devices: Powers handheld GPS units ensuring consistent performance even with variable battery levels.
- Telecommunication Equipment: Ideal for powering RF and other sensitive communication circuitry where consistent voltage is critical.
- Power Supplies: Integral in developing stable, low-noise power sources for sensitive electronic devices.
- Renewable Energy Systems: Used in solar power inverters and controllers to manage stable output voltage from variable input sources.
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