5V FIXED POSITIVE LDO REGULATOR, 0.9V DROPOUT, PSSO3, D2PAK/A-3 Product overview: L4940D2M5-TR 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, 0.9V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5V, 0.9V, 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-L4940D2M5-TR can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 002258-L4940D2M5-TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.5V @ 1.5A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1.5A
Output Voltage: 5V
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 150°C
Case / Package: D2PAK
Maximum Input Voltage: 17V
Nominal Output Voltage (Min/Fixed): 5V
Dropout Voltage-Max: 0.9V @ 1.5A
Operating Supply Current: 8mA to 50mA
PSRR: 68dB (120Hz)
Control Protection Features: Over Temperature, Reverse Polarity, Short Circuit
Popularity: Medium
Fake Threat In the Open Market: 58 pct.
Supply and Demand Status: Limited
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| 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-L4940D2M5-TR | 002258-L4940D2M5-TR | 497-4205-2-ND | L4940D2M5-TR | L4940D2M5-TR |
| Product Name | 5V 0.9V LDO Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - L4940D2M5-TR | 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; D2PAK | Other; D2PAK | TO-263; Other; TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | TO-263 | |
| Output Voltage | 5 volts | 5 volts | 5 volts | 5 volts | |
| IOUT | 1.5 amps | 1.5 amps | 1.5 amps | 1.5 amps | 1.5 amps |
| Dropout Voltage | 0.5000 volts | 0.9000 volts | 0.9000 volts |
