Texas Instruments LM2940IMP-9.0/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) | 9V |
| 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 LM2940IMP-9.0/NOPB from Texas Instruments is a robust 9V LDO linear regulator capable of delivering 1A. With a low 1V dropout at full load and 64dB PSRR at 120Hz, it provides clean, stable power for a wide range of applications. The SOT-223-4 package offers a compact footprint while dissipating heat effectively. Ideal for automotive, industrial, and consumer electronics requiring reliable 9V rails.
- High Output Current: 1A capability supports power-hungry loads like audio amplifiers.
- Low Noise: 64dB PSRR at 120Hz minimizes hum in audio applications.
- Wide Input Range: Accepts up to 26V input, providing design flexibility.
- Proven Reliability: Industry-standard LM2940 series with decades of field use.
Automotive Audio Systems
The 1A output and 64dB PSRR at 120Hz provide clean 9V power for car radio and amplifier circuits.
Industrial Control Panels
Stable 9V rail powers PLC analog I/O and sensor transmitters in factory automation.
Battery Chargers
High current capability supports 9V charging circuits for NiMH and Li-ion battery packs.
Test and Measurement Equipment
Low noise output ensures accurate readings in benchtop multimeters and oscilloscopes.
Telecom Power Supplies
Reliable 9V output for line drivers and interface circuits in communication equipment.
Consumer Electronics
Powers audio DACs and preamplifiers in home theater systems with minimal hum.
- Q: What is the output voltage of the LM2940IMP-9.0/NOPB?
- A: The output voltage is fixed at 9V.
- 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 10V to 26V (based on 9V output plus dropout).
- Q: What is the dropout voltage?
- A: Dropout is typically 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
- Q: What is the output voltage of the LM2940IMP-9.0/NOPB?
- A: The output voltage is fixed at 9V.
- 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 10V to 26V (based on 9V output plus dropout).
- Q: What is the dropout voltage?
- A: Dropout is typically 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.

LM2940IMP-9.0/NOPB.pdf