LM2991SX
- Mfr.Part #
- LM2991SX
- Manufacturer
- National Semiconductor
- Package / Case
- TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
- Datasheet
- Download
- Description
- IC REG LINEAR NEG ADJ 1A DDPAK
- Stock
- 10,330
- In Stock :
- 10,330
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Load Regulation-Max(%) :
- 0.4%
- Thickness :
- 4.58mm
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Number of Regulators :
- 1
- Number of Outputs :
- 1
- Terminal Form :
- Gull wing
- Voltage - Output (Min/Fixed) :
- -3V
- Reference Voltage :
- -1.186V
- Base Part Number :
- LM2991
- Radiation Hardening :
- No
- Mount :
- Surface Mount
- Min Input Voltage :
- -26V
- Packing Method :
- TR
- Number of Terminations :
- 5
- Output Configuration :
- Negative
- Pin Count :
- 4
- Operating Temperature :
- -40°C~125°C
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Control Features :
- Enable
- Terminal Position :
- Single
- Number of Functions :
- 1
- Lead Free :
- Contains Lead
- Peak Reflow Temperature (Cel) :
- 235
- Number of Pins :
- 5
- Packaging :
- Tape and Reel (TR)
- Length :
- 10.16mm
- Dropout Voltage :
- 600mV
- Min Current Limit :
- 1.5A
- Width :
- 8.42mm
- RoHS Status :
- Non-RoHS Compliant
- Max Output Current :
- 1A
- Protection Features :
- Over Temperature, Short Circuit
- Voltage - Output (Max) :
- -24V
- PSRR :
- 60dB (1kHz)
- JESD-609 Code :
- e0
- Line Regulation-Max (%/V) :
- 0.04
- Voltage Dropout (Max) :
- 1V @ 1A
- Height :
- 4.83mm
- Output Voltage :
- -24V
- Package / Case :
- TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
- Output Type :
- Adjustable
- Lifecycle Status :
- NRND (Last Updated: 1 day ago)
- Current - Quiescent (Iq) :
- 0.7mA
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Quiescent Current :
- 5mA
- Dropout Voltage1-Nom :
- 0.6V
- Datasheets
- LM2991SX

[Voltage Regulators - Linear] National Semiconductor LM2991SX Overview
Introducing the LM2991SX by National Semiconductor, a pioneering solution in the realm of voltage regulation. Engineered with precision and reliability in mind, this integrated circuit stands as a paragon of excellence, offering unparalleled performance in the domain of linear negative adjustable regulators. Crafted to meet the demanding requirements of modern electronic systems, the LM2991SX epitomizes innovation and efficiency.
With its robust design and advanced features, the LM2991SX empowers businesses with the ability to optimize power management, ensuring stable and consistent voltage output even in the most challenging operating conditions. Whether it's in industrial machinery, telecommunications equipment, or automotive electronics, this cutting-edge regulator sets a new standard for excellence.
Discover a world of possibilities with the LM2991SX, where reliability meets innovation, and performance knows no bounds.
LM2991SX Features
- High-Performance Linear Negative Adjustable Regulator
- Output Current: 1A
- Package: DDPAK
- Wide Input Voltage Range
- Adjustable Output Voltage
- Overtemperature Protection
- Short Circuit Protection
- Low Dropout Voltage
- Efficient Power Management
LM2991SX Applications
- Industrial Machinery: The LM2991SX finds its application in industrial control systems, ensuring stable voltage regulation for critical components such as motors, sensors, and actuators. Its robust design and comprehensive protection features make it ideal for harsh industrial environments.
- Telecommunications Equipment: In telecommunications infrastructure, reliability is paramount. The LM2991SX provides precise voltage regulation for networking equipment, ensuring uninterrupted communication services. Its adjustable output voltage and overtemperature protection make it an indispensable component in telecom installations.
- Automotive Electronics: Modern vehicles demand sophisticated power management solutions. The LM2991SX offers efficient voltage regulation for automotive electronics, powering essential systems such as engine control units (ECUs), infotainment systems, and onboard sensors. Its low dropout voltage and short circuit protection enhance the safety and performance of automotive applications.
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