Texas Instruments LP38692MPX-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.24 | $3.24 |
| 15+ | $1.45 | $21.75 |
| 25+ | $1.42 | $35.50 |
| 50+ | $1.34 | $67.00 |
| 100+ | $1.19 | $119.00 |
| 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) | 10V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.8V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 55 µA |
| Current - Supply (Max) | 100 µA |
| PSRR | 55dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223-5 |
| ROHS |
The LP38692MPX-5.0/NOPB from National Semiconductor (TI) is a 5.0V low dropout linear regulator capable of delivering 1A. With a dropout of only 0.8V at full load and a low quiescent current of 55µA, it offers an excellent balance of power capability and efficiency. The SOT-223 package ensures adequate thermal dissipation for demanding applications.
- High Output Current: 1A capability supports power-hungry loads like FPGAs and multiple sensors.
- Low Quiescent Current: 55µA IQ is exceptional for a 1A LDO, reducing standby power.
- Moderate Dropout: 0.8V dropout at 1A allows efficient operation from 5.8V input.
- Good Ripple Rejection: 55dB at 120Hz filters mains-related noise in industrial environments.
5V Logic and Peripheral Power
Supply stable 5V to microcontrollers, sensors, and peripheral ICs in industrial control systems, with 1A capability for multiple loads.
Post-Regulation for Switching Supplies
Clean up noisy 5V output from buck converters, using 55dB PSRR at 120Hz to reduce ripple for audio and precision circuits.
Automotive Infotainment
Power 5V USB ports and display modules in car infotainment systems, benefiting from robust 1A output and low dropout.
Battery-Powered Equipment
Regulate 5V from 6-9V battery packs, with 55µA quiescent current preserving battery life in portable instruments.
FPGA and DSP I/O Supplies
Provide 5V I/O rail for FPGAs and DSPs, ensuring stable operation with 1A current capability for multiple I/O banks.
Test and Measurement
Power precision analog circuits requiring clean 5V, leveraging low noise and high PSRR for accurate measurements.
- Q: What is the output voltage of the LP38692MPX-5.0/NOPB?
- A: It provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1A, making it suitable for higher-power loads.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly provided, but it is suitable for 5.5V to 10V inputs.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.8V at 1A, allowing operation with moderate headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA, which is low for a 1A-rated LDO.
- Q: What package is available?
- A: It comes in a SOT-223 package, which provides good thermal performance for 1A operation.
- Q: What is the output voltage of the LP38692MPX-5.0/NOPB?
- A: It provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1A, making it suitable for higher-power loads.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly provided, but it is suitable for 5.5V to 10V inputs.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.8V at 1A, allowing operation with moderate headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA, which is low for a 1A-rated LDO.
- Q: What package is available?
- A: It comes in a SOT-223 package, which provides good thermal performance for 1A operation.

LP38692MPX-5.0/NOPB.pdf