Texas Instruments LP3855EMP-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.43 | $5.43 |
| 15+ | $5.26 | $78.90 |
| 25+ | $5.15 | $128.75 |
| 50+ | $4.86 | $243.00 |
| 100+ | $4.29 | $429.00 |
| N+ | $0.86 | 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) | 7V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.44V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 3 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 73dB ~ 57dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| 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 LP3855EMP-5.0 from Texas Instruments is a high-current linear regulator providing a fixed 5.0V output at up to 1.5A. With a low dropout of 0.44V and excellent PSRR, it is designed for noise-sensitive applications. The SOT-223-5 package offers a practical balance of thermal performance and board space.
- High Current Capacity: 1.5A output supports power-hungry digital loads.
- Excellent Noise Rejection: 73dB PSRR at 120Hz ensures clean power for audio and precision analog circuits.
- Low Dropout: 0.44V dropout maximizes efficiency in 5V systems.
- Thermal Protection: Built-in thermal shutdown safeguards the regulator and load.
FPGA and DSP Core Supplies
The 1.5A output current and 0.44V dropout provide a stable 5V rail for high-performance digital logic, ensuring reliable operation under transient loads.
Automotive Infotainment Systems
With 73dB PSRR at 120Hz, this regulator rejects alternator noise, delivering clean 5V power to audio codecs and display drivers.
Industrial Motor Control
Robust 1.5A capability powers sensors and microcontrollers in industrial drives, with thermal protection for harsh environments.
Networking Equipment
Provides a regulated 5V supply for Ethernet PHYs and switches, with low dropout to maintain output during brownout conditions.
Test and Measurement Instruments
The high PSRR (73dB to 57dB) ensures minimal noise coupling into precision measurement circuits.
Point-of-Load Regulation
Ideal for converting a 5.5V or 6V rail down to a clean 5V for mixed-signal boards, reducing noise from switching converters.
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 5.0V up to 7.0V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.44V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA.
- Q: What package is available?
- A: It is available in a SOT-223-5 package.
LP3855EMP-5.0/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 5.0V up to 7.0V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.44V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA.
- Q: What package is available?
- A: It is available in a SOT-223-5 package.
