LP2992AILD-5.0/NOPB

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

The LP2992AILD-5.0/NOPB is a fixed-output low-dropout voltage regulator manufactured by Texas Instruments, delivering a nominal 5V output with up to 250mA of load current. It operates within an input voltage range of 2.2V to 16V and features an A-grade legacy chip accuracy of ±1%. The device includes an enable pin, low noise performance, and high power supply rejection ratio (PSRR). It is housed in a 6-pin WSON package measuring 2.92mm x 3.29mm and supports an operating junction temperature from -40°C to +125°C.

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

• Fixed 5V output with ±1% accuracy across load and temperature variations for the A-grade legacy variant.
• Integrated enable control via the ON/OFF pin for power management.
• Built-in overcurrent limiting and thermal shutdown protection mechanisms.
• Low noise operation suitable for sensitive analog and RF circuits.

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

• Washers and dryers
• Land mobile radios
• Active antenna system mMIMO
• Cordless power tools
• Motor drives and control boards

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific legacy chip revision matches design requirements, as electrical characteristics may differ from new chip variants. Ensure proper handling of the WSON package during assembly to maintain thermal and mechanical integrity.

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

Select this regulator when a stable 5V rail is required with moderate current demands up to 250mA. The wide input voltage range accommodates various battery and unregulated sources. Consider the WSON package size constraints and thermal dissipation needs for PCB layout optimization.

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

This component belongs to the LP2992 family of micropower, low-noise, ultra-low-dropout regulators. It is designed for use with very low-ESR output capacitors, ensuring stability with small ceramic capacitors. The family offers multiple output voltages and packages to suit diverse portable and non-portable applications.

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

LP2992AILD-5.0/NOPB

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

What is the minimum input voltage required to maintain regulation?

The minimum input voltage required to maintain output regulation is 2.05V for the legacy chip.

How does the ON/OFF pin function?

The ON/OFF pin is an active-high enable pin. Driving it high enables the device, while driving it low disables the output.

Is the device stable with ceramic capacitors?

Yes, the LP2992 is stable with low-ESR ceramic capacitors, requiring a minimum effective output capacitance of 1μF.