Texas Instruments LP3855EMP-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.38 | $2.38 |
| 15+ | $2.31 | $34.65 |
| 25+ | $2.26 | $56.50 |
| 50+ | $2.13 | $106.50 |
| 100+ | $1.88 | $188.00 |
| N+ | $0.38 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.43V @ 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-1.8 is a fixed 1.8V low dropout regulator from Texas Instruments, capable of delivering up to 1.5A. With an ultra-low dropout voltage of 0.43V and excellent PSRR, it provides a clean, stable power supply for high-current digital applications. The SOT-223 package ensures efficient heat dissipation and compact design integration.
- Ultra-Low Dropout: The 0.43V dropout at 1.5A minimizes power loss, making it highly efficient for low-voltage applications.
- High Output Current: Capable of supplying 1.5A, it can power the most demanding digital cores and processors.
- Superior Noise Rejection: With PSRR up to 73dB, it effectively suppresses power supply noise, ensuring clean power for sensitive analog and RF circuits.
- Stable Fixed Output: Provides a precise 1.8V output, essential for reliable operation of modern low-voltage digital ICs.
High-Current Digital Cores
The fixed 1.8V output and 1.5A current capability make it ideal for powering the core voltage of ASICs, FPGAs, and high-performance microprocessors.
DDR Memory Termination
Provides a clean, stable 1.8V rail for DDR memory termination, ensuring signal integrity and reliable operation in high-speed computing systems.
Networking and Communication
With excellent PSRR of 73dB to 57dB, it is perfect for powering sensitive RF and communication circuits that require a noise-free 1.8V supply.
Industrial Automation
Its low dropout voltage of 0.43V allows it to operate efficiently from a 2.5V or 3.3V rail, providing a stable 1.8V supply for industrial sensors and controllers.
Portable Computing Devices
The low quiescent current and high efficiency make it suitable for tablets and laptops, powering low-voltage logic rails while conserving battery life.
- Q: What is the output voltage of the LP3855EMP-1.8?
- A: The LP3855EMP-1.8 is a fixed output LDO providing a stable 1.8V output.
- Q: What is the maximum output current?
- A: This regulator can deliver up to 1.5A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 7V, suitable for low-voltage supply rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.43V at a full load of 1.5A.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA, which is relatively low for a 1.5A LDO.
- Q: What package is available?
- A: The LP3855EMP-1.8 is available in a 5-pin SOT-223 package.
LP3855EMP-1.8/NOPB.pdf
- Q: What is the output voltage of the LP3855EMP-1.8?
- A: The LP3855EMP-1.8 is a fixed output LDO providing a stable 1.8V output.
- Q: What is the maximum output current?
- A: This regulator can deliver up to 1.5A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 7V, suitable for low-voltage supply rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.43V at a full load of 1.5A.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA, which is relatively low for a 1.5A LDO.
- Q: What package is available?
- A: The LP3855EMP-1.8 is available in a 5-pin SOT-223 package.
