STMicroelectronics, Inc. Voltage Regulators - Linear, Low Drop Out (LDO) Regulators L4940V12

Linear Voltage Regulator IC Positive Fixed 1 Output 1.5A TO-220

Manufacturer: STMicroelectronics
Win Source Part Number: 037922-L4940V12
Packaging: Tube/Rail
Mounting: Through Hole
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.5V @ 1.5A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1.5A
Output Voltage: 12V
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 150°C
Case / Package: TO-220AB
Maximum Input Voltage: 17V
Nominal Output Voltage (Min/Fixed): 12V
Dropout Voltage-Max: 0.9V @ 1.5A
Operating Supply Current: 8mA to 50mA
PSRR: 61dB (120Hz)
Control Protection Features: Over Temperature, Reverse Polarity, Short Circuit
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 60 pct.
Supply and Demand Status: Balance
Application Field: Used in Industrial, Power Management, Sensing & Instrumentation

12V FIXED POSITIVE LDO REGULATOR, 0.9V DROPOUT, PSFM3, LEAD FREE, TO-220, 3 PIN Product overview: L4940V12 from STMicroelectronics is a LDO Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include LDO, 12V, 0.9V, TO-220. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 12V, 0.9V, TO-220, LDO Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-L4940V12 can be used for catalog matching and distributor lookup.