MIC2951-3.3YMM

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

The MIC2951-3.3YMM is a positive linear low-dropout regulator in an 8-pin MSOP package, manufactured by Microchip Technology. It provides a fixed 3.3V output with a maximum current of 150mA and a typical dropout voltage of 40mV at light loads. The device features extremely low quiescent current and high accuracy (±1%). It includes comprehensive protection against overcurrent, thermal overload, reverse battery conditions up to -20V, and load dump transients up to +60V. The part operates within a junction temperature range of -40°C to +125°C.

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

• Provides high-accuracy regulation with extremely low dropout voltage for efficient power management.
• Features robust 'bulletproof' design capable of surviving reverse battery and automotive load dump transients.
• Includes integrated error flag output to warn of output dropout or low input voltage conditions.
• Offers logic-controlled electronic shutdown functionality for system power management.

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

• Automotive electronics
• Avionics systems
• Cellular telephones
• Battery powered equipment

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

Verify the specific ordering suffix YMM corresponds to the 8-pin MSOP package configuration required for your PCB layout. Confirm that the component meets RoHS compliance standards if environmental regulations apply to your manufacturing process. Ensure the supplier provides valid traceability documentation consistent with Microchip Technology's quality assurance protocols.

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

Select this regulator when a stable 3.3V supply is needed with minimal voltage drop across the input-output differential. Consider its suitability for applications requiring protection against harsh electrical environments, such as automotive load dumps. Evaluate the need for the error flag feature for monitoring battery health or input voltage integrity in portable devices.

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

This component belongs to the MIC2950/MIC2951 family of micropower voltage regulators. It serves as a successor to the LP2950/LP2951 series, offering improved performance characteristics including lower dropout voltage and enhanced transient protection capabilities while maintaining pin compatibility with previous generations.

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

The MIC2950 is discontinued; verify availability of alternative sources if sourcing from legacy stock. Check datasheet specifications for pin compatibility when considering direct replacements from other manufacturers.