12V FIXED POSITIVE REGULATOR, PSSO3, TO-263, 3 PIN Product overview: LM340S-12 from Texas Instruments 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 12V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 12V, LDO Voltage Regulator IC, Linear Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 699-LM340S-12 can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 071240-LM340S-12
Packaging: Tube/Rail
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 2V @ 1A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1A
Output Voltage: 12V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: 0°C to 125°C
Case / Package: DDPAK/TO-263-3
Maximum Input Voltage: 27V
Nominal Output Voltage (Min/Fixed): 12V
Dropout Voltage-Max: 2V @ 1A
Operating Supply Current: 8mA
PSRR: 80dB (120Hz)
Control Protection Features: Over Temperature, Short Circuit
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 63 pct.
Supply and Demand Status: Balance
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | |
|---|---|---|
| Product Category | IC Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | 699-LM340S-12 | 071240-LM340S-12 |
| Product Name | 12V LDO Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - LM340S-12 |
| Output Voltage Type | Fixed | Fixed; Fixed |
| Package Type | Other; TO-263 | DPAK; TO-263; Other; DDPAK/TO-263-3 |
| Output Voltage | 12 volts | 12 volts |
| IOUT | 2.4 amps | 1 amps |
| IQ | 0.0080 amps |