3.5A DC/DC Switching Regulator, 55V In, 50V Out, SO Product overview: L4973D3.3-013TR 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, 50V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.5A, 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-L4973D3.3-013TR can be used for catalog matching and distributor lookup.
"Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295"", 7.50mm Width)"
"Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295"", 7.50mm Width)"
Manufacturer: STMicroelectronics
Win Source Part Number: 002281-L4973D3.3-013
Packaging: Reel - TR
Mounting: SMD (SMT)
Output Type: Adjustable (Fixed)
Topology: Buck
Frequency - Switching: 100kHz to 300kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 3.5A
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 150°C (TJ)
Case / Package: 20-SO
Purpose: Step-Down
Maximum Input Voltage: 55V
Nominal Output Voltage (Min/Fixed): 0.5V (3.3V)
Maximum Output Voltage: 50V
Minimum Input Voltage: 8V
Popularity: Medium
Fake Threat In the Open Market: 63 pct.
Supply and Demand Status: Balance
IC REG BUCK ADJ/3.3V 3.5A 20SO
IC REG BUCK ADJ/3.3V 3.5A 20SO
IC REG BUCK ADJ/0.5V 3.5A 20SO
Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)
Switching Voltage Regulators 3.3V 3.5A Step-Down
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | ODG (Origin Data Global) | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | VAST STOCK CO., 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 |
| Product Number | 739-L4973D3.3-013TR | 497-3358-2-ND | 002281-L4973D3.3-013TR | L4973D3.3-013TR | L4973D3.3-013TR | L4973D3.3-013TR | L4973D3.3-013TR | L4973D3.3-013TR |
| Product Name | 3.5A 55V 50V Voltage Regulator IC | Voltage Regulators - DC DC Switching Regulators | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - L4973D3.3-013TR | Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Switching Voltage Regulators |
| Output Voltage Type | Adjustable / Variable | Fixed; Adjustable / Variable | Fixed; Adjustable / Variable; Adjustable (Fixed) | Adjustable (Fixed) | Adjustable / Variable; Adjustable (Fixed) | |||
| Package Type | Other; SO | SOIC; Other; "20-SOIC (0.295"", 7.50mm Width)" | Other; 20-SO | SOIC; Other; 20-SOIC (0.295", 7.50mm Width) | SOIC | SOIC; Other; 20-SOIC (0.295\", 7.50mm Width) | ||
| Output Voltage | 50 volts | 0.5000 to 50 volts | 0.5000 to 3.3 volts | 0.5000 volts | 0.5000 volts | 0.5000 to 50 volts | ||
| IOUT | 3.5 amps | 3.5 amps | 3.5 amps | 3.5 amps | 3.5 amps | 3.5 amps | 3.5 amps | |
| VIN | 55 volts | 8 to 55 volts | 55 volts | 55 volts | 8 to 55 volts |
