MIC5247-2.0YM5

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

The MIC5247-2.0YM5 is a fixed-output positive linear low-dropout regulator manufactured by Microchip Technology, formerly Micrel. It provides a stable 2.0V output with a maximum continuous current of 150mA. The device supports input voltages up to 6V and features a maximum dropout voltage of 0.15V at full load. Key electrical specifications include a quiescent current of 150µA and a power supply rejection ratio of 50dB at 1kHz. It incorporates enable control functionality and protection mechanisms including overcurrent, thermal shutdown, and under-voltage lockout. The component operates within a temperature range of -40°C to 125°C and is housed in a SOT-23-5 surface-mount package.

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

• Provides precise fixed positive output voltage regulation suitable for sensitive digital logic supplies
• Integrates comprehensive protection features including overcurrent limiting, thermal shutdown, and under-voltage lockout
• Supports system power management through a CMOS or TTL compatible enable pin for active low shutdown control

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

• Portable battery-powered equipment requiring efficient power management
• Cellular phones and personal digital assistants
• Laptop computers and sub-notebook systems
• Palmtop computers and handheld devices

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

Verify the manufacturer designation as Microchip Technology, which acquired Micrel, when sourcing this component. Confirm the specific suffix YM5 corresponds to the SOT-23-5 package variant. Ensure the ordering part number includes the correct output voltage code (2.0) and trailing TR for tape-and-reel packaging if required for automated assembly processes. Cross-reference datasheet revisions to confirm pinout consistency.

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

Select this regulator for applications requiring a compact solution with low dropout characteristics and integrated protection. The 150mA output capability suits moderate load requirements while maintaining small form factor constraints. Consider the 150µA quiescent current for battery life optimization. Verify that the input voltage remains within the 6V maximum limit and that the thermal environment stays within the specified operating range for reliable performance.

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

This component belongs to the MIC5247 family of µCap low-dropout regulators designed for portable electronics. The family offers various fixed output voltages and packaging options to support diverse design needs. As a legacy Micrel product now managed by Microchip, it maintains compatibility with established designs while benefiting from updated manufacturing standards and documentation support provided by the parent company.

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

MIC5247-2.0YM5-TR

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

What is the maximum input voltage for the MIC5247-2.0YM5?

The maximum input voltage is 6V.

Does the MIC5247-2.0YM5 include an enable pin?

Yes, it features an enable pin that allows the device to be shut down via a CMOS or TTL compatible signal.