Texas Instruments LP3855ES-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.86 | $5.86 |
| 15+ | $5.68 | $85.20 |
| 25+ | $5.55 | $138.75 |
| 50+ | $5.24 | $262.00 |
| 100+ | $4.63 | $463.00 |
| N+ | $0.93 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 LP3855ES-3.3/NOPB is a versatile low dropout linear regulator from Texas Instruments, delivering a fixed 3.3V output at up to 1.5A. Its 380mV dropout voltage and 73dB PSRR ensure stable, noise-free power for a wide range of applications. The TO-263 (DDPAK-5) package provides excellent thermal management, making it suitable for automotive, industrial, and consumer electronics.
- Standard 3.3V Output: Directly powers common logic families, FPGAs, and microcontrollers without additional conversion.
- 1.5A Current Capability: Handles high-current loads with minimal voltage drop, reducing the need for parallel regulators.
- Low Dropout (380mV): Operates efficiently with input voltages as low as 3.8V, ideal for 5V systems.
- Robust TO-263 Package: Ensures reliable operation in high-temperature environments with superior heat dissipation.
FPGA and CPLD Power
The 3.3V output at 1.5A is ideal for powering FPGA I/O banks and CPLD logic, providing stable voltage for high-speed digital interfaces.
Automotive ECU Systems
In engine control units, the LP3855ES-3.3/NOPB powers sensors and microcontrollers, with the TO-263 package handling harsh under-hood temperatures.
Industrial Sensor Networks
For factory automation, this regulator provides clean 3.3V power to distributed sensors and actuators, ensuring reliable communication over long cable runs.
Medical Monitoring Equipment
The low dropout and high PSRR make it suitable for patient monitors, delivering stable 3.3V to signal processing circuits.
Audio Equipment
In professional audio mixers, the 3.3V rail powers DSPs and codecs, with the regulator's low noise improving audio fidelity.
Point-of-Sale Terminals
For POS systems, the LP3855ES-3.3/NOPB provides reliable power to card readers and displays, ensuring consistent operation.
- Q: What is the output voltage of the LP3855ES-3.3/NOPB?
- A: It provides a fixed 3.3V output, a standard rail for digital and mixed-signal systems.
- Q: What is the maximum output current?
- A: It delivers up to 1.5A with a low dropout voltage of 380mV at full load.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.8V to 7V, compatible with 5V and 6V supplies.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA, enabling fast load transient response.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package for high-power dissipation.
- Q: What is the PSRR performance?
- A: PSRR is 73dB at 120Hz and 57dB at higher frequencies, providing good noise rejection.
LP3855ES-3.3/NOPB.pdf
- Q: What is the output voltage of the LP3855ES-3.3/NOPB?
- A: It provides a fixed 3.3V output, a standard rail for digital and mixed-signal systems.
- Q: What is the maximum output current?
- A: It delivers up to 1.5A with a low dropout voltage of 380mV at full load.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.8V to 7V, compatible with 5V and 6V supplies.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA, enabling fast load transient response.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package for high-power dissipation.
- Q: What is the PSRR performance?
- A: PSRR is 73dB at 120Hz and 57dB at higher frequencies, providing good noise rejection.
