LP3883ES-1.8/NOPB

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

The LP3883ES-1.8/NOPB is a 3A ultra-low-dropout linear regulator manufactured by Texas Instruments, featuring a fixed 1.8V output voltage. It operates within an input voltage range up to 5.5V and delivers high performance with a typical power supply rejection ratio of 80dB. The device maintains regulation with a dropout voltage as low as 210mV at full load. It incorporates an enable pin for power management and exhibits a quiescent current of 60nA. The component is housed in a TO-263 (KTT) package with five pins and supports operation across a temperature range from -40°C to +125°C.

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

• Ultra-low dropout voltage capability ensures efficient regulation with minimal input-to-output voltage difference.
• High-speed transient response maintains stable output voltage during rapid load changes.
• Integrated enable control allows for precise power sequencing and system energy management.

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

• Portable battery-powered equipment requiring efficient voltage regulation
• Cellular phones and wireless communication devices
• Laptop computers and peripheral power supplies

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

Verify the specific output voltage suffix matches the design requirement, as the LP3883 series offers multiple fixed voltage options. Confirm the presence of the NOPB suffix indicates lead-free and RoHS compliance. Ensure the TO-263 package thermal characteristics align with the application's heat dissipation needs. Cross-reference the datasheet for exact electrical limits under varying ambient temperatures.

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

Select this regulator when a 3A output current is required with minimal voltage drop. The fixed 1.8V output suits digital logic cores and memory interfaces. Consider the TO-263 package for its thermal performance compared to smaller footprints. Verify that the input voltage remains within the specified maximum limit to prevent device damage.

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

This component belongs to the LP3883 family of fast-response ultra-low dropout linear regulators. The series is designed for applications demanding high current capability and excellent line/load regulation. The ES suffix denotes the specific TO-263 package variant, while the 1.8 indicates the fixed output voltage setting.

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

Compatible substitutes include other LP3883 variants with different fixed output voltages, such as LP3883ES-1.5/NOPB or LP3883ES-3.3/NOPB, provided the voltage requirement differs. Ensure the replacement maintains the same 3A current rating and TO-263 package form factor for direct board compatibility.