Texas Instruments LM2940IMP-12/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.81 | $1.81 |
| 15+ | $1.76 | $26.40 |
| 25+ | $1.72 | $43.00 |
| 50+ | $1.62 | $81.00 |
| 100+ | $1.43 | $143.00 |
| N+ | $0.29 | 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) | 12V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 66dB (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-12/NOPB from Texas Instruments is a 1A low dropout linear regulator with a fixed 12V output. Featuring a 1V dropout at full load and 66dB PSRR at 120Hz, it delivers clean, stable power for automotive, industrial, and telecom applications. The SOT-223-4 package provides a compact, surface-mount solution.
- High Ripple Rejection: 66dB PSRR at 120Hz ensures clean 12V output from noisy inputs.
- 1A Output Capability: Supports a wide range of loads from sensors to actuators.
- Low Dropout: 1V dropout at 1A allows operation from 13V input rails.
- Compact Package: SOT-223-4 enables space-efficient PCB layouts.
Automotive Electronics
Regulates 12V battery voltage to a clean 12V rail for infotainment systems, sensors, and control modules, with 66dB ripple rejection.
Industrial Actuator Control
Provides stable 12V for relays, solenoids, and motor drivers in factory automation.
Telecom Power Distribution
Converts higher intermediate bus voltages to a clean 12V rail for line cards and communication modules.
Precision Instrumentation
Low dropout and high PSRR ensure accurate 12V references for measurement equipment.
LED Lighting Drivers
Powers constant-voltage LED strips and lighting controllers with stable 12V output.
- Q: What is the output voltage of the LM2940IMP-12?
- A: It provides a fixed 12V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the dropout voltage?
- A: Dropout is 1V at 1A load.
- Q: What is the quiescent current?
- A: Quiescent current is 10 mA.
- Q: What is the PSRR?
- A: PSRR is 66dB at 120Hz.
- Q: What package is used?
- A: It comes in a SOT-223-4 package.
LM2940IMP-12/NOPB.pdf
- Q: What is the output voltage of the LM2940IMP-12?
- A: It provides a fixed 12V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the dropout voltage?
- A: Dropout is 1V at 1A load.
- Q: What is the quiescent current?
- A: Quiescent current is 10 mA.
- Q: What is the PSRR?
- A: PSRR is 66dB at 120Hz.
- Q: What package is used?
- A: It comes in a SOT-223-4 package.
