Negative Low Dropout Adjustable Regulator 5-DDPAK/TO-263 -40 to 125
Linear Voltage Regulator IC Negative Adjustable 1 Output 1A DDPAK/TO-263-5
IC REG LIN NEG ADJ 1A DDPAK
Manufacturer: Texas Instruments
Win Source Part Number: 082682-LM2991S
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Negative Adjustable
Voltage - Dropout (Typical): 0.6V @ 1A
Number of Regulators: 1
Output Type: Adjustable
Control Features: Enable
Output Current: 1A
Family Name: LM2991
Output Voltage: -3 V to -24 V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: DDPAK/TO-263-5
Maximum Input Voltage: -26V
Nominal Output Voltage (Min/Fixed): -3V
Dropout Voltage-Max: 1V @ 1A
Operating Supply Current: 0.7mA to 5mA
PSRR: 60dB (1kHz)
Maximum Output Voltage: -24V
Protection Features: Over Temperature, Short Circuit
Alternative Parts (Cross-Reference): LM2991TAULF; LM2991T LB01/NOPB; LM2991T LF02/NOPB; LM2991J-QMLV; LM2991S/NOPB; LT1175MPQ; LT1175MPQ#TRPBF; LM2991S;
Introduction Date: May 01, 1999
ECCN: EAR99
Country of Origin: China, Malaysia, Philippines, Taiwan
Estimated EOL Date: 2031
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 48 pct.
Supply and Demand Status: Balance
Application Field: Used in Power Management
1A Neg Adj LDO, -3V to -24V, 600mV Dropout, TO-263 Product overview: LM2991S 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 LDO, 1A, -3V, -24V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 1A, -3V, -24V, 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-LM2991S can be used for catalog matching and distributor lookup.
LDO Voltage Regulators Neg LDO Adj Reg
IC REG LIN NEG ADJ 1A DDPAK
| Texas Instruments | DigiKey | ODG (Origin Data Global) | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators |
| Product Number | LM2991S | LM2991S-ND | LM2991S | 082682-LM2991S | 776-LM2991S | LM2991S | LM2991S |
| Product Name | LM2991 Negative Low Dropout Adjustable Regulator | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - PMIC - Voltage Regulators - Linear - LM2991S | 1A -3V -24V LDO Voltage Regulator IC | LDO Voltage Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear |
| Output Polarity | Negative | Negative | Negative | Negative | |||
| Output Voltage Type | Adjustable Output,Negative Output | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable; Adjustable | Adjustable / Variable | ||
| Package Type | Other; DDPAK/TO-263,TO-220 | TO-263; Other; TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | TO-263; Other; TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | DPAK; TO-263; Other; DDPAK/TO-263-5 | Other; TO-263 | ||
| Special Features | Input Overcurrent Protection; Thermal Shutdown Protection; Enable,Overcurrent Protection,Thermal Shutdown | Over Temperature, Short Circuit | Enable | ||||
| Output Voltage | -24 to -3 volts | -24 to -3 volts | -3 volts | 3 volts | -24 volts | -3 volts |
