LP2953IMX/NOPB

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

The LP2953IMX/NOPB is an adjustable micropower low-dropout voltage regulator manufactured by Texas Instruments. It provides a maximum output current of 0.25 A with an adjustable output voltage range from 1.23 V to 29 V. The device operates within an input voltage range of -20 V to 30 V and maintains a typical quiescent current of 170 uA. It features a dropout voltage of 470 mV at full load, line regulation of 0.2%, and load regulation of 0.2%. The component is housed in a 16-SOIC surface-mount package and supports operation temperatures from -40 C to +125 C.

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

• Adjustable output voltage capability spanning 1.23 V to 29 V for flexible system design
• Micropower architecture with extremely low quiescent current to extend battery life
• Integrated shutdown function that activates an internal crowbar to pull the output down quickly
• Error flag output indicates when the regulated voltage drops out of specification

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

• Battery-powered portable electronic systems requiring extended operational life
• Industrial control circuits operating under wide temperature variations
• Embedded systems utilizing negative input voltage conditions
• Applications requiring precise voltage regulation with minimal power consumption

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

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required packaging and temperature ratings. Confirm RoHS compliance status through official documentation before integration. Check for obsolescence notices as availability may vary across distribution channels. Ensure the selected variant matches the intended thermal management requirements for the SOIC-16 package.

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

Select this regulator for designs demanding high precision with tight line and load regulation specifications. The wide input voltage range accommodates sources with significant fluctuations or negative potentials. Consider the 250 mA output capacity against peak load demands to prevent thermal overload. The adjustable reference allows customization for non-standard voltage rails without external divider adjustments beyond standard resistor networks.

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

This component belongs to the LP2952/LP2953 family of micropower LDO regulators designed for efficiency and precision. It shares architectural similarities with the LP2951 but offers increased output current and enhanced shutdown capabilities. The series is characterized by its ability to maintain regulation under light loads while minimizing static power dissipation, making it suitable for energy-constrained environments.

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

LP2953IMX-NOPB serves as a direct functional equivalent within the same product family.