The LM2990SX-5.0 is a linear voltage regulator designed for negative voltage applications, providing a fixed output of -5 V. It supports an input voltage range from -26 V to -6 V and can deliver output currents exceeding 1 A. The device features a low dropout voltage of approximately 0.6 V at a 1 A load, ensuring efficient operation in various conditions. It maintains an output accuracy of ¬±5% across its operating range and includes internal short-circuit current limiting and thermal shutdown with hysteresis for enhanced reliability. The LM2990SX-5.0 is suitable for applications such as post-switcher regulation, local on-card regulation, and battery-operated equipment. It operates over a temperature range of -40¬8C to 125¬8C and is available in a DDPAK/TO-263 package.
Negative Low Dropout Regulator 3-DDPAK/TO-263 -40 to 125
Fixed Negative LDO Regulator, 5V, 1V Dropout, BIPolar, PSSO3
Linear Voltage Regulator IC Negative Fixed 1 Output 1.8A DDPAK/TO-263-3
Linear Voltage Regulator IC Negative Fixed 1 Output 1.8A DDPAK/TO-263-3
1-A, negative low-dropout voltage regulator 3-DDPAK/TO-263 -40 to 125 Product overview: LM2990SX-5.0 from Texas Instruments 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 key electrical ratings, package details, and application requirements. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 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-LM2990SX-5.0 can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 071179-LM2990SX-5.0
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Negative Fixed
Voltage - Dropout (Typical): 0.6V @ 1A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1.8A
Output Voltage: -5V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: DDPAK/TO-263-3
Maximum Input Voltage: -26V
Nominal Output Voltage (Min/Fixed): -5V
Dropout Voltage-Max: 1V @ 1A
Operating Supply Current: 1mA to 5mA
PSRR: 58dB (1kHz)
Control Protection Features: Over Temperature, Short Circuit
Popularity: Medium
Fake Threat In the Open Market: 38 pct.
Supply and Demand Status: Balance
IC REG LIN -5V 1.8A DDPAK/TO263
IC REG LIN -5V 1.8A DDPAK/TO263
LDO Voltage Regulators 1-A, Negative Low Dropout Regulator 3-DDPAK/TO-263 -40 to 125
Linear Voltage Regulator IC Negative Fixed 1 Output 1.8A DDPAK/TO-263-3
| Texas Instruments | Rochester Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | LM2990SX-5.0 | LM2990SX-5.0 | LM2990SX-5.0CT-ND | 776-LM2990SX-5.0 | 071179-LM2990SX-5.0 | LM2990SX-5.0 | LM2990SX-5.0 | LM2990SX-5.0 | LM2990SX-5.0 |
| Product Name | LM2990 Negative Low Dropout Regulator | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - LM2990SX-5.0 | PMIC - Voltage Regulators - Linear | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | LDO Voltage Regulators | Voltage Regulators - Linear | |
| Output Polarity | Negative | Negative | Negative | ||||||
| Output Voltage Type | Fixed Output,Negative Output | Fixed | Fixed; Fixed | Fixed; Fixed | |||||
| Package Type | Other; DDPAK/TO-263,TO-220 | TO-263; Other; TO-263-3 | TO-263; Other; TO-263-4, D2PAK (3 Leads + Tab), TO-263AA | DPAK; TO-263; Other; DDPAK/TO-263-3 | TO-263 | TO-263; Other; TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | |||
| Special Features | Input Overcurrent Protection; Thermal Shutdown Protection; Overcurrent Protection,Thermal Shutdown | Over Temperature, Short Circuit | |||||||
| Output Voltage | -15 to -5 volts | -5 volts | 5 volts | -5 volts | -5 to ? volts |
