National Semiconductor LM2940WG5.0/883
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $276.04 | $276.04 |
| 15+ | $63.49 | $952.35 |
| 25+ | $62.11 | $1,552.75 |
| 50+ | $58.66 | $2,933.00 |
| 100+ | $51.76 | $5,176.00 |
| N+ | $10.35 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 20 mA |
| Current - Supply (Max) | 60 mA |
| PSRR | 72dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-CSOIC (0.241", 6.12mm Width) |
| Supplier Device Package | 16-CFP |
The LM2940WG5.0/883 from National Semiconductor is a fixed 5V low dropout regulator capable of delivering 1A. With a dropout voltage of just 1V at full load, it maintains regulation even with low input margins. The 16-pin ceramic flat package (CFP) provides excellent thermal and mechanical stability for military and aerospace applications. Its 72dB PSRR at 120Hz ensures a clean output, making it suitable for noise-sensitive digital and analog circuits.
- Low Dropout Voltage: 1V at 1A allows operation with minimal headroom, improving efficiency in battery-powered systems.
- High PSRR: 72dB at 120Hz rejects ripple, ensuring stable 5V for sensitive electronics.
- MIL-STD-883 Compliance: Guarantees reliability in extreme environments for defense and aerospace.
- Ceramic Flat Package: Provides excellent thermal conductivity and durability compared to plastic packages.
Automotive ECU Power
The LM2940WG5.0/883 provides a stable 5V rail for engine control units, with 1V dropout ensuring operation during cold-crank conditions where battery voltage dips.
Avionics Sensors
In aircraft systems, this regulator supplies 5V to sensors and avionics modules, with the ceramic package offering high reliability in temperature extremes.
Industrial Microcontrollers
For industrial PLCs and control systems, the 5V output powers microcontrollers and digital logic, with 72dB PSRR rejecting industrial noise.
Military Communication
The /883 version is MIL-STD-883 compliant, making it suitable for military radios and communication equipment requiring a rugged 5V supply.
Battery-Powered Backup Systems
With 1A capability and low dropout, this regulator is ideal for backup battery systems providing 5V to critical monitoring equipment.
Test Equipment
In benchtop instruments, the LM2940WG5.0/883 delivers a clean 5V reference for analog-to-digital converters and display drivers.
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: The input voltage range is from 6V to 26V (typical for LM2940 family).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 20mA.
- Q: What package is available?
- A: It comes in a 16-pin CFP (Ceramic Flat Package).
LM2940WG5.0/883.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: The input voltage range is from 6V to 26V (typical for LM2940 family).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 20mA.
- Q: What package is available?
- A: It comes in a 16-pin CFP (Ceramic Flat Package).
