DC/DC Controller, 1A, 50V, 8-55V In, SO, SM Product overview: L4976D 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 1A, 50V, 55V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 1A, 50V, 55V, 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-L4976D can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 002285-L4976D
Packaging: Reel - TR
Mounting: SMD (SMT)
Output Type: Adjustable
Topology: Buck
Frequency - Switching: 100kHz to 300kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 1A
Family Name: L4976
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): 0.5V
Maximum Output Voltage: 50V
Minimum Input Voltage: 8V
Alternative Parts (Cross-Reference): SM74304SDE; SM74304SDX; SM74304MMX; SM74304SD;
Introduction Date: March 22, 1999
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 64 pct.
Supply and Demand Status: Balance
"Buck Switching Regulator IC Positive Adjustable 0.5V 1 Output 1A 16-SOIC (0.295"", 7.50mm Width)"
IC REG BUCK ADJUSTABLE 1A 16SOIC
Switching Voltage Regulators 3.3 to 50V Step-Down
IC REG BUCK ADJUSTABLE 1A 16SOIC
POWER MANAGEMENT IC, DC SWITCHING BUCK, REGULATOR, 300 KHZ, 8-55 V IN, 0.5-50 V, 1 AMP, 1 INPUT, 500 MV. FREE 2 YEAR RADWELL WARRANTY
IC REG BUCK ADJUSTABLE 1A 16SOIC
Buck Switching Regulator IC Positive Adjustable 0.5V 1 Output 1A 16-SOIC (0.295", 7.50mm Width)
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | ODG (Origin Data Global) | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Radwell International | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC 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 | 739-L4976D | 002285-L4976D | 497-15801-5-ND | L4976D | L4976D | L4976D | 110266635 | L4976D | L4976D |
| Product Name | 1A 50V 55V Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - L4976D | Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Power Management IC | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators |
| Output Voltage Type | Adjustable / Variable | Adjustable / Variable; Adjustable | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable; Adjustable | |||
| Package Type | Other; SO | Other; 16-SO W | SOIC; Other; "16-SOIC (0.295"", 7.50mm Width)" | SOIC; Other; 16-SOIC (0.295", 7.50mm Width) | SOIC | SOIC; Other; 16-SOIC (0.295\", 7.50mm Width) | |||
| Output Voltage | 50 volts | 0.5000 volts | 0.5000 to 50 volts | 0.5000 volts | 0.5000 volts | 0.5000 to 50 volts | |||
| IOUT | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | ||
| Operating Temperature | -40 C (-40 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) |