Texas Instruments LP38692MPX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.50 | $1.50 |
| 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) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1V @ 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-3.3/NOPB is a high-current LDO from Texas Instruments, delivering a fixed 3.3V output at up to 1A. It features a low quiescent current of 55µA and a dropout voltage of just 1V at full load. The SOT-223-5 package provides excellent thermal performance, making it ideal for powering FPGAs, DSPs, and other high-current digital loads.
- High Output Current: 1A capability supports power-hungry digital loads like FPGAs and DSPs.
- Low Quiescent Current: 55µA improves efficiency in battery-powered and always-on systems.
- Low Dropout: 1V dropout at 1A ensures stable operation near end-of-battery voltage.
- Thermally Efficient: SOT-223-5 package dissipates heat effectively for reliable high-current operation.
FPGA and DSP Core Power
1A output capability with 55µA quiescent current provides efficient 3.3V rail for FPGA I/O banks and DSP cores in embedded systems.
Networking Equipment
Stable 3.3V for Ethernet PHYs and switches, with 55dB PSRR at 120Hz filtering switching power supply noise.
Industrial Actuator Control
High current capacity drives valve actuators and motor controllers while maintaining clean 3.3V for logic circuits.
Battery-Powered Tools
Low dropout of 1V at 1A maximizes runtime in cordless power tools and portable equipment.
Set-Top Boxes and Media Players
Reliable 3.3V for SoC and memory, with SOT-223-5 package suitable for compact consumer electronics.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 1A.
- Q: What is the input voltage range?
- A: 2.7V to 10V.
- Q: What is the dropout voltage?
- A: 1V at 1A load.
- Q: What is the quiescent current?
- A: 55µA.
- Q: What package is available?
- A: SOT-223-5.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 1A.
- Q: What is the input voltage range?
- A: 2.7V to 10V.
- Q: What is the dropout voltage?
- A: 1V at 1A load.
- Q: What is the quiescent current?
- A: 55µA.
- Q: What package is available?
- A: SOT-223-5.

LP38692MPX-3.3/NOPB.pdf