Manufacturer: STMicroelectronics
Win Source Part Number: 037143-L4971D
Packaging: Tube/Rail
Mounting: SMD (SMT)
Output Type: Adjustable
Topology: Buck
Frequency - Switching: 100kHz to 300kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 1.5A
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 150°C (TJ)
Case / Package: 16-SO W
Purpose: Step-Down
Maximum Input Voltage: 55V
Nominal Output Voltage (Min/Fixed): 3.3V
Maximum Output Voltage: 50V
Minimum Input Voltage: 8V
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 36 pct.
Supply and Demand Status: Limited
IC REG BUCK ADJ 1.5A 16SOIC
1.5A DC/DC Controller, 55V In, 50V Out, 110kHz, SO Product overview: L4971D 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 1.5A, 55V, 50V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 1.5A, 55V, 50V, 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-L4971D can be used for catalog matching and distributor lookup.
STMicroelectronics L4971D Buck Converter
STMicroelectronics L4971D Buck Converter
STMicroelectronics L4971D Buck Converter
"Buck Switching Regulator IC Positive Adjustable 3.3V 1 Output 1.5A 16-SOIC (0.295"", 7.50mm Width)"
Buck Switching Regulator IC Positive Adjustable 3.3V 1 Output 1.5A 16-SOIC (0.295", 7.50mm Width)
Switching Voltage Regulators 3.3 to 50V Step-Down
IC REG BUCK ADJ 1.5A 16SOIC
IC REG BUCK ADJ 1.5A 16SOIC
| Win Source Electronics | ODG (Origin Data Global) | ERSAELECTRONICS PTE. LTD. | RS Components, Ltd. | RS Components, Ltd. | DigiKey | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 037143-L4971D | L4971D | 739-L4971D | 6868271 | 6868271P | 497-3357-5-ND | L4971D | L4971D | L4971D | L4971D |
| Product Name | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - L4971D | Voltage Regulators - DC DC Switching Regulators | 1.5A 55V 50V Voltage Regulator IC | Switching Regulators | Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators |
| Configuration / Function | Buck | Buck | Buck; Boost | Buck | ||||||
| Output Voltage Type | Adjustable / Variable; Adjustable | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable; Adjustable | ||||
| Package Type | Other; 16-SO W | SOIC; Other; 16-SOIC (0.295", 7.50mm Width) | Other; SO | SOIC; Other; Soic w | SOIC; Other; "16-SOIC (0.295"", 7.50mm Width)" | SOIC; Other; 16-SOIC (0.295\", 7.50mm Width) | SOIC | |||
| Life Cycle Stage | Maturity; Active | Active | Active | |||||||
| Special Features | Multiple Outputs; Synchronous Rectification |
