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

[Voltage Regulators - Linear Texas Instruments LM2991SX] Overview
Introducing the LM2991SX, a cutting-edge integrated circuit meticulously crafted by Texas Instruments, renowned for its unwavering commitment to innovation and quality. This IC regulator stands as a beacon of reliability and precision in the realm of voltage regulation. Designed to cater to the demanding needs of modern electronic systems, the LM2991SX exemplifies excellence in engineering and performance.
With its versatile negative linear voltage regulation capabilities and adjustable output, this IC regulator empowers engineers and manufacturers with unparalleled flexibility in their designs. Whether it's automotive applications, industrial machinery, or telecommunications equipment, the LM2991SX delivers consistent and stable performance, ensuring optimal operation even in the most challenging environments.
Engineered to meet stringent industry standards, this Texas Instruments masterpiece promises reliability, efficiency, and longevity, making it the preferred choice for discerning professionals worldwide.
[LM2991SX] Features
- Highly versatile negative linear voltage regulator
- Adjustable output for enhanced flexibility
- Robust design ensures reliability in various applications
- Wide operating temperature range for adaptability
- Low dropout voltage for improved efficiency
- Integrated protection features safeguard against overcurrent and thermal issues
- Compact DDPAK package for space-saving integration
- Manufactured to the highest quality standards by Texas Instruments
[LM2991SX] Applications
- Automotive Electronics: The LM2991SX finds its place in automotive electronic systems, providing stable and precise voltage regulation for critical components such as engine control units (ECUs), lighting systems, and onboard entertainment systems.
- Industrial Machinery: In industrial settings, this IC regulator ensures smooth and reliable operation of machinery and equipment, maintaining consistent voltage levels to prevent downtime and maximize productivity.
- Telecommunications Equipment: From base stations to network infrastructure, the LM2991SX plays a vital role in telecommunications equipment, delivering steady power supply to sensitive components, thereby ensuring uninterrupted communication services.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















