MIC2920A-5.0WS

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

The MIC2920A-5.0WS is a fixed-output low-dropout voltage regulator manufactured by Microchip Technology, housed in a surface-mount SOT-223 package with four pins. It provides a regulated 5.0V output capable of delivering up to 400mA of current. The device operates within an input supply voltage range of 2V to 26V and supports a junction temperature range from -40°C to +125°C. Key electrical characteristics include a typical quiescent ground current of 140µA at light loads and a maximum dropout voltage of 400mV when sourcing the full rated load.

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

• Provides high output voltage accuracy with extremely tight line and load regulation specifications.
• Features robust protection mechanisms including fold-back current limiting, thermal shutdown, and immunity to reverse battery connections and automotive load dump transients.
• Maintains very low quiescent current that increases only slightly during dropout conditions, thereby extending battery life in portable applications.

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

• Battery-powered equipment
• Automotive electronics
• Cellular telephones
• Laptop, notebook, and palmtop computers

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

Verify the specific ordering suffix 'WS' corresponds to the SOT-223 surface-mount package configuration. Confirm compliance with RoHS standards and lead-free soldering exemptions as documented in the manufacturer's ordering information. Ensure the selected component matches the required fixed 5.0V output specification for the target circuit design.

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

Select this component for designs requiring a reliable 5V rail with moderate current demands up to 400mA. The SOT-223 package is suitable for space-constrained printed circuit board layouts. Consider the thermal resistance characteristics of the package when calculating power dissipation limits under heavy load or high ambient temperature conditions.

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

This part belongs to the MIC2920A family of 400mA low-dropout regulators produced by Micrel, now integrated into Microchip Technology's portfolio. The family includes various configurations such as adjustable versions (MIC29202) and variants with logic-controlled shutdown inputs (MIC29201). The MIC2920A-x.x designation specifically denotes the fixed-voltage options available in multiple physical packages.

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

MIC2920A-5.0BS