Texas Instruments LM2940IMPX-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.55 | $1.55 |
| 15+ | $1.50 | $22.50 |
| 25+ | $1.47 | $36.75 |
| 50+ | $1.39 | $69.50 |
| 100+ | $1.22 | $122.00 |
| N+ | $0.24 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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) | 10 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 64dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The LM2940IMPX-5.0/NOPB from Texas Instruments is a fixed 5V low-dropout regulator designed for higher current applications, delivering up to 1A. It features a dropout voltage of 1V at full load and a quiescent current of 10 mA. With a PSRR of 64dB at 120Hz, it provides good ripple rejection for automotive and industrial environments. The SOT-223-4 package offers a compact solution with adequate thermal performance for 1A operation, making it suitable for powering microprocessors, sensors, and other loads in demanding applications.
- High Output Current: 1A capability makes it suitable for powering larger loads like microprocessors, displays, and multiple ICs.
- Low Dropout for 1A: 1V dropout at 1A allows operation from a 6V rail with margin, improving efficiency in automotive systems.
- Good Ripple Rejection: 64dB PSRR at 120Hz helps filter noise from switching supplies and alternators.
- Versatile Package: SOT-223-4 balances size and thermal dissipation, suitable for a wide range of applications.
Automotive Infotainment Systems
The 1A output current is sufficient for powering head units, displays, and audio amplifiers from a 12V vehicle battery, with 64dB PSRR filtering alternator noise.
Industrial Actuators and Drivers
Provides a robust 5V rail for relays, solenoids, and motor drivers in PLCs and industrial control cabinets.
High-Power Sensor Arrays
Can power multiple sensors and their signal conditioning circuits simultaneously, simplifying power distribution in data acquisition systems.
Networking Switches and Routers
Delivers clean 5V power to processors, PHYs, and fans in networking equipment, ensuring reliable 24/7 operation.
Battery Chargers and Power Banks
Regulates 5V for charging logic and control circuits in battery management systems, providing a stable reference.
Point-of-Sale Terminals
Powers the main processor, display, and card reader in POS systems, offering a reliable and low-noise 5V supply.
- Q: What is the output voltage of the LM2940IMPX-5.0/NOPB?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for recommended operating conditions.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR and package?
- A: It has a PSRR of 64dB at 120Hz and is available in a SOT-223-4 package.
LM2940IMPX-5.0/NOPB.pdf
- Q: What is the output voltage of the LM2940IMPX-5.0/NOPB?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for recommended operating conditions.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR and package?
- A: It has a PSRR of 64dB at 120Hz and is available in a SOT-223-4 package.
