Texas Instruments LM2940T-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.68 | $1.68 |
| 15+ | $1.63 | $24.45 |
| 25+ | $1.59 | $39.75 |
| 50+ | $1.50 | $75.00 |
| 100+ | $1.33 | $133.00 |
| N+ | $0.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |  |
The Texas Instruments LM2940T-5.0 is a 1A low dropout regulator providing a fixed 5V output. Its low dropout voltage of 1V at full load makes it ideal for battery-powered and automotive applications. With a quiescent current of 10 mA and 64dB ripple rejection, it delivers clean, stable power. The TO-220 package ensures excellent thermal performance.
- Low Dropout: 1V dropout at 1A allows operation from a 6V supply, maximizing efficiency in battery systems.
- High Current Capacity: 1A output supports a wide range of digital and analog loads.
- Stable Output: 64dB PSRR at 120Hz filters ripple, providing a clean 5V rail for sensitive electronics.
- Thermal Efficiency: TO-220 package with exposed tab enables effective heat dissipation.
Automotive Electronics
The 5V output and 1A current are perfect for powering microcontrollers and logic circuits in engine control units, with the 1V dropout ensuring operation during cold-crank conditions.
Industrial Sensors
Provides a clean 5V rail for analog sensor interfaces, leveraging the 64dB PSRR at 120Hz to minimize noise from industrial power lines.
Consumer Audio Equipment
Use it to power op-amps and DACs in audio gear, where the low dropout and stable output reduce hum and distortion.
Battery Chargers
Regulates a stable 5V for charging circuits in portable devices, ensuring consistent charging current.
Networking Devices
Supplies a reliable 5V rail for routers and switches, with the TO-220 package allowing easy heatsinking for continuous 1A loads.
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can supply up to 1A of load current.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical). Refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
LM2940T-5.0/NOPB.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 supply up to 1A of load current.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical). Refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
