Texas Instruments LP3855ET-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.69 | $6.69 |
| 15+ | $1.54 | $23.10 |
| 25+ | $1.50 | $37.50 |
| 50+ | $1.42 | $71.00 |
| 100+ | $1.25 | $125.00 |
| N+ | $0.25 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Adjustable |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 6.6V |
| Voltage Dropout (Max) | 0.435V @ 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 | Through Hole |
| Package / Case | TO-220-5 Formed Leads |
| Supplier Device Package | TO-220-5 |
| ROHS |  |
The LP3855ET-ADJ/NOPB from Texas Instruments is a high-performance adjustable low dropout linear regulator capable of delivering up to 1.5A of output current. With a low dropout voltage of just 0.435V at full load, it efficiently regulates from a minimal input-to-output differential. Its adjustable output range up to 6.6V provides design flexibility, while excellent PSRR (73dB at 120Hz) ensures clean, stable power for noise-sensitive applications. Housed in a robust TO-220-5 package, this LDO is engineered for reliable thermal management and long-term durability in demanding environments.
- High Efficiency with Low Dropout: The 0.435V dropout at 1.5A minimizes power dissipation, improving system efficiency and reducing heat generation.
- Excellent Ripple Rejection: With 73dB to 57dB PSRR at 120Hz, it provides a clean output by suppressing input ripple, ideal for audio and precision analog circuits.
- Flexible Adjustable Output: The adjustable output up to 6.6V allows designers to set precise voltages with external resistors, accommodating a wide range of load requirements.
- Robust Thermal Package: The TO-220-5 package offers superior heat sinking capabilities, ensuring reliable operation at high current loads in industrial and automotive environments.
High-Current FPGA and DSP Core Power
The LP3855ET-ADJ/NOPB delivers up to 1.5A with a low dropout of 0.435V, making it ideal for powering the core voltage of FPGAs and DSPs that require stable, high-current supply rails.
Post-Regulation for Switching Supplies
With 73dB to 57dB PSRR at 120Hz, this LDO effectively attenuates ripple and noise from a preceding DC-DC converter, providing a clean analog supply for sensitive circuits.
Battery-Powered Industrial Equipment
The adjustable output up to 6.6V and low quiescent current of 3mA make it suitable for battery-operated industrial sensors and controllers that need a precise, stable voltage as the battery discharges.
Audio and Precision Analog Circuits
Its high PSRR and low-noise characteristics ensure a quiet supply rail for audio codecs, op-amps, and ADCs, minimizing power-supply-induced distortion and noise.
Automotive Infotainment and Telematics
The TO-220-5 package provides excellent thermal performance for under-hood and cabin electronics, delivering reliable 1.5A power for infotainment processors and communication modules.
General-Purpose Adjustable Bench Power
As an adjustable regulator, it can be configured with external resistors to create a versatile, high-current bench supply for prototyping and testing various voltage requirements.
- Q: What is the output voltage range of the LP3855ET-ADJ/NOPB?
- A: This adjustable LDO can be set to output up to 6.6V, with a reference voltage of 1.23V.
- Q: What is the maximum output current?
- A: The LP3855ET-ADJ/NOPB can deliver up to 1.5A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.23V up to the maximum rated input of the device (typically 7V).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.435V at a 1.5A load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is typically 3mA, which is suitable for many power-sensitive applications.
- Q: What package is available?
- A: This device is offered in a TO-220-5 package, ideal for through-hole mounting and thermal dissipation.
LP3855ET-ADJ/NOPB.pdf
- Q: What is the output voltage range of the LP3855ET-ADJ/NOPB?
- A: This adjustable LDO can be set to output up to 6.6V, with a reference voltage of 1.23V.
- Q: What is the maximum output current?
- A: The LP3855ET-ADJ/NOPB can deliver up to 1.5A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.23V up to the maximum rated input of the device (typically 7V).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.435V at a 1.5A load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is typically 3mA, which is suitable for many power-sensitive applications.
- Q: What package is available?
- A: This device is offered in a TO-220-5 package, ideal for through-hole mounting and thermal dissipation.
