LP3881EMR-1.8/NOPB

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The LP3881EMR-1.8/NOPB is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments, belonging to the LP3881 series. It provides a stable 1.8 V output with an 800 mA maximum load current capability. The device operates within an input voltage range of 1.2 V to 9.1 V and features an ultra-low dropout voltage for efficient power management. It is housed in an 8-pin SOIC package (SOIC-8) designed for surface-mount technology. The regulator supports operation across an extended temperature range from -40°C to +125°C, ensuring reliability in demanding environments.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low dropout performance enables efficient regulation with minimal voltage difference between input and output.
• Integrated thermal protection safeguards against overheating during high-load or high-temperature operations.
• Short-circuit protection prevents damage to the device and connected loads under fault conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Wireless communications systems needing stable power supplies
• Notebook computers and handheld devices utilizing multiple voltage rails

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify that the ordering suffix /NOPB confirms lead-free and RoHS compliance as per manufacturer specifications. Ensure the package type matches the SOIC-8 footprint required for the target PCB layout. Confirm the specific output voltage variant corresponds to the design requirement of 1.8 V before finalizing procurement orders.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 1.8 V output is required with up to 800 mA current capacity. Consider its wide input voltage range and low dropout characteristics for applications where input voltage may vary significantly. Evaluate thermal dissipation requirements based on the expected load current and ambient operating temperature conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the LP3881 family of LDO regulators from Texas Instruments, designed for low-power applications. It complements other variants in the series offering different fixed voltages or adjustable outputs. The family is characterized by high PSRR and low noise, making it suitable for sensitive analog and RF circuits in consumer electronics and industrial control systems.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

LP3881EMX-1.8/NOPB offers identical electrical specifications with alternative tape-and-reel packaging options.