STMicroelectronics, Inc. Voltage Regulators - DC DC Switching Regulators L4973V5.1

"Buck Switching Regulator IC Positive Adjustable (Fixed) 5.1V (5.1V) 1 Output 3.5A 18-DIP (0.300"", 7.62mm)"

Manufacturer: STMicroelectronics
Win Source Part Number: 038712-L4973V5.1
Packaging: Tube/Rail
Mounting: Through Hole
Output Type: Adjustable (Fixed)
Topology: Buck
Frequency - Switching: 100kHz to 300kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 3.5A
Family Name: L4973V5.1
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 150°C (TJ)
Case / Package: 18-DIP
Purpose: Step-Down
Maximum Input Voltage: 55V
Nominal Output Voltage (Min/Fixed): 5.1V (5.1V)
Maximum Output Voltage: 50V
Minimum Input Voltage: 8V
Alternative Parts (Cross-Reference): LM5576Q0MH; LT3434IFE#TR; LM5576Q0MHX; LT3434IFETR;
Introduction Date: April 01, 2000
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Halogen Free: Not Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Sufficient

IC REG BUCK ADJ/5.1V 3.5A 18DIP

3.5A DC/DC Switching Regulator, 55V In, 5.1V Out, PDIP Product overview: L4973V5.1 from STMicroelectronics is a 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 3.5A, 55V, 5.1V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.5A, 55V, 5.1V, Voltage Regulator IC, DC Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-L4973V5.1 can be used for catalog matching and distributor lookup.