Texas Instruments LP3855ESX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.84 | $7.84 |
| 15+ | $4.89 | $73.35 |
| 25+ | $4.78 | $119.50 |
| 50+ | $4.51 | $225.50 |
| 100+ | $3.98 | $398.00 |
| N+ | $0.80 | 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) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.38V @ 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-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LP3855ESX-3.3/NOPB is a fixed 3.3V low dropout linear regulator capable of delivering 1.5A. Packaged in a TO-263 (DDPAK-5), it features a low dropout voltage of 0.38V at full load and a quiescent current of 3 mA. With PSRR from 73dB to 57dB at 120Hz, it provides clean, stable power for high-current digital and analog systems.
- High Current Output: 1.5A capability supports power-hungry digital loads.
- Low Dropout: 0.38V at 1.5A minimizes power dissipation and improves efficiency.
- Excellent PSRR: 73dB to 57dB at 120Hz ensures clean output in noisy environments.
- Robust Thermal Package: TO-263 (DDPAK-5) handles high power dissipation effectively.
High-Current Digital Systems
The 1.5A output capability and low 0.38V dropout make it suitable for powering 3.3V logic rails in servers, storage arrays, and high-end computing platforms.
Automotive Infotainment
Provides a stable 3.3V supply for infotainment processors and displays, with robust PSRR to reject alternator noise.
Industrial Automation
Powers PLC I/O modules and fieldbus controllers requiring 3.3V at high current, ensuring reliable operation in harsh environments.
Telecom Power Distribution
Ideal for intermediate bus architectures where 3.3V rails need clean, high-current regulation for line cards and switches.
Test and Measurement Equipment
Delivers clean 3.3V power to precision instruments, leveraging the 73dB PSRR to maintain measurement accuracy.
- Q: What is the output voltage of the LP3855ESX-3.3/NOPB?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.38V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What is the PSRR?
- A: The PSRR ranges from 73dB to 57dB at 120Hz.
LP3855ESX-3.3/NOPB.pdf
- Q: What is the output voltage of the LP3855ESX-3.3/NOPB?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.38V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What is the PSRR?
- A: The PSRR ranges from 73dB to 57dB at 120Hz.
