18V FIXED NEGATIVE REGULATOR, SFM3, LEAD FREE, TO-220, 3 PIN Product overview: L7918CV 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 18V, TO-220. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 18V, TO-220, 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-L7918CV can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 205926-L7918CV
Packaging: Tube/Rail
Mounting: Through Hole
Regulator Topology: Negative Fixed
Voltage - Dropout (Typical): 1.1V @ 1A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1.5A
Output Voltage: -18V
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: 0°C to 125°C
Case / Package: TO-220AB
Maximum Input Voltage: -35V
Nominal Output Voltage (Min/Fixed): -18V
Dropout Voltage-Max: 1.1V @ 1A (TYP)
Operating Supply Current: 3mA
PSRR: 60dB (120Hz)
Control Protection Features: Over Temperature, Short Circuit
Alternative Parts (Cross-Reference): LM7918CT; L7918ACV; L7918CV; L7918ACV-TR;
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 63 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-L7918CV | 205926-L7918CV | 497-1479-5-ND | L7918CV | L7918CV |
| Product Name | 18V TO-220 Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - L7918CV | 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 | TO-220; Other; TO-220AB | TO-220; Other; TO-220-3 | ||
| Output Voltage | -18 volts | 18 volts | -18 volts | -18 volts | |
| IOUT | 1.5 amps | 1.5 amps | 1.5 amps | 1.5 amps | 1.5 amps |
| Dropout Voltage | 1.1 volts | 1.1 volts | 1.1 volts |