5V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PSFM3, VERSAWATT, TO-220, 3 PIN Product overview: L4945 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, 5V, 0.75V, TO-220. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5V, 0.75V, 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-L4945 can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 1051229-L4945
Packaging: Tube/Rail
Mounting: Through Hole
Number of Regulators: 1
Output Type: Fixed
Output Current: 500mA
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 125°C
Case / Package: TO-220AB
Maximum Input Voltage: 26V
Nominal Output Voltage (Min/Fixed): 5V
Dropout Voltage-Max: 0.75V @ 500mA
Operating Supply Current: 13mA to 180mA
PSRR: 60dB (120Hz)
Control Protection Features: Over Temperature, Over Voltage, Reverse Polarity, Short Circuit
Popularity: Medium
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Balance
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-220
IC REG LINEAR 5V 500MA TO220AB
IC REG LINEAR 5V 500MA TO220AB
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|
| Product Category | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators |
| Product Number | 776-L4945 | 1051229-L4945 | 497-3629-ND | L4945 | L4945 |
| Product Name | 5V 0.75V TO-220 LDO Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - L4945 | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - Voltage Regulators - Linear | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear |
| Output Voltage Type | Fixed | Fixed; Fixed | Fixed | ||
| Package Type | Other; TO-220-3 | TO-220; Other; TO-220AB | TO-220; Other; TO-220-3 | TO-220 | |
| Output Voltage | 5 volts | 5 volts | 5 volts | 5 volts | |
| IOUT | 0.5000 amps | 0.5000 amps | 0.5000 amps | 0.5000 amps | 0.5000 amps |
| Dropout Voltage | 0.4000 volts | 0.7500 volts | 0.7500 volts |
