Texas Instruments LP38692MP-2.5
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.40 | $4.40 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.3V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | 100 µA |
| PSRR | 55dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223 |
The Texas Instruments LP38692MP-2.5 is a fixed 2.5V low dropout linear regulator capable of delivering 1A of output current. Housed in a compact SOT-223 package, it features a dropout voltage of just 1.3V at full load, making it efficient for battery-powered and post-regulation applications. With 55dB of power supply rejection at 120Hz, it ensures clean, stable power for sensitive electronics.
- High Current Capacity: Delivers up to 1A, suitable for powering multiple ICs or moderate-load peripherals.
- Low Dropout Voltage: 1.3V at 1A allows operation from a 3.8V source, maximizing battery utilization.
- Good Ripple Rejection: 55dB PSRR at 120Hz filters mains-related noise from switching regulators.
- Compact SOT-223 Package: Easy to solder and space-efficient for PCB designs.
Battery-Powered Devices
The 2.5V fixed output and low dropout of 1.3V at 1A make it ideal for regulating battery voltages down to a stable 2.5V rail for microcontrollers and sensors.
Post-Regulation for Switching Supplies
With 55dB PSRR at 120Hz, this LDO effectively filters ripple from a DC-DC converter, providing a clean 2.5V supply for noise-sensitive analog circuits.
FPGA and DSP Core Supplies
Many FPGAs and DSPs require a precise 2.5V core voltage. The LP38692MP-2.5 delivers up to 1A with tight regulation, ensuring reliable operation.
Industrial Control Systems
The SOT-223 package and 1A capability suit industrial sensors and actuators that need a stable 2.5V reference from a 3.3V or 5V bus.
Networking Equipment
For Ethernet PHYs and switches requiring a 2.5V analog supply, this LDO provides low-noise power with adequate current headroom.
Portable Instrumentation
Its low quiescent current and small footprint make it suitable for handheld meters and test equipment where battery life and space are critical.
- Q: What is the output voltage of the LP38692MP-2.5?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage must be higher than 2.5V plus the dropout voltage; typically up to 10V for this LDO.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at a 1A load.
- Q: What package is available?
- A: It comes in a SOT-223 package.
- Q: Does it have good ripple rejection?
- A: Yes, it offers 55dB PSRR at 120Hz.
- Q: What is the output voltage of the LP38692MP-2.5?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage must be higher than 2.5V plus the dropout voltage; typically up to 10V for this LDO.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at a 1A load.
- Q: What package is available?
- A: It comes in a SOT-223 package.
- Q: Does it have good ripple rejection?
- A: Yes, it offers 55dB PSRR at 120Hz.

LP38692MP-2.5.pdf