LM2941GW/883 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM2941GW/883 is a military-grade adjustable LDO linear voltage regulator from Texas Instruments in a 16-pin SOIC package. It accepts inputs from 6 V to 26 V with a typical dropout of 0.5 V and provides an adjustable output for precision voltage rails. Sourced globally for high-reliability aerospace and defense power supply designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LM2941GW/883 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM2941GW/883?
- Adjustable output voltage with input range from 6 V to 26 V for flexible power rail design
- Low dropout of 0.5 V typical and 1 V maximum at full load for efficient linear regulation
- Military 883 screening for high-reliability aerospace and defense applications
- 16-pin SOIC (CDSO-G16) package with Pb-free construction compliant to JESD-609 e0
What is LM2941GW/883 used for?
LM2941GW/883 provides precision adjustable regulated voltage rails in military avionics, satellite subsystems, and defense electronics where component screening to MIL-STD-883 is mandatory. Its wide 6 V to 26 V input range and 0.5 V dropout voltage make it suitable as a post-regulator in 28 V aircraft power bus systems, stepping down to analog signal conditioning voltages between 5 V and 15 V. The device is also used in space-grade test equipment power trees and radiation-tolerant instrument power supplies where long-term reliability and tight output regulation are critical.
What are the specifications of LM2941GW/883?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 1V |
| Dropout Voltage1-Nom | 0.5V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 6V |
| JESD-30 Code | R-CDSO-G16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 20V |
| Output Voltage1-Min | 5V |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | SOP16,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | MIL-STD-883 |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Total Dose | 100k Rad(Si) V |
| Voltage Tolerance-Max | 5% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM2941GW/883 datasheet?
LM2941GW/883 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM2941GW/883?
Compatible alternatives and drop-in replacements for LM2941GW/883:
Adjustable Positive LDO Regulator, 5V Min, 20V Max, 1V Dropout, BIPolar, CDSO16
Frequently Asked Questions
What input voltage range does LM2941GW/883 support, and what is the minimum dropout?
LM2941GW/883 operates with input voltages from 6 V to 26 V, with a typical dropout voltage of 0.5 V and a maximum of 1 V at full load. This means the output can be regulated to within 0.5 V of the input supply, enabling efficient linear regulation from standard 12 V, 15 V, and 24 V industrial or aerospace power buses.
What does the 883 designation on LM2941GW/883 mean for procurement and reliability requirements?
The 883 suffix indicates the device is screened and tested to MIL-STD-883, the United States military standard for microcircuit test methods and procedures. This involves burn-in, temperature cycling from -55 °C to 125 °C, and electrical verification to tighter limits, making LM2941GW/883 suitable for procurement under defense and aerospace contracts that mandate high-reliability component qualification.
In a 28 V aircraft power bus design, how would the adjustable output of LM2941GW/883 be set to 5 V?
The output voltage of LM2941GW/883 is set using an external resistor divider between the output, adjust, and ground pins. For a 5 V output from a 28 V bus with dropout of 0.5 V, the resistor ratio is calculated from the 1.275 V reference voltage: R2/R1 = (Vout/Vref) - 1 = (5/1.275) - 1 ≈ 2.92, so standard 10 kΩ and 29.2 kΩ resistors achieve the target within 1 % tolerance.
How does the 16-pin SOIC package of LM2941GW/883 affect thermal performance compared to a TO-3 package?
The 16-pin SOIC (CDSO-G16) has a junction-to-ambient thermal resistance of approximately 70 °C/W with a small PCB copper pour, which limits continuous power dissipation to about 1 W at 25 °C ambient. A TO-3 metal package achieves junction-to-case resistance below 5 °C/W with an external heatsink, handling several watts continuously. For high-power applications above 1 W, thermal management via a heat spreader or derating is required with the SOIC package.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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