MIC5239-5.0YMM

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

The MIC5239-5.0YMM is a fixed-output low-dropout linear regulator manufactured by Microchip Technology, housed in an 8-pin MSOP package. It provides a stable 5V output with a maximum current capacity of 500mA. The device supports an input voltage range from 2.3V to 30V and features a typical dropout voltage of 350mV at full load. It operates within a temperature range of -40°C to +125°C and includes protection mechanisms such as thermal shutdown, current limiting, and reverse polarity protection.

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

• Provides a fixed 5V positive output regulated from high input voltages up to 30V
• Delivers up to 500mA output current with low dropout characteristics for efficient power management
• Integrates comprehensive protection including thermal shutdown, current limit, and reverse battery protection

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

• USB-powered devices requiring stable 5V regulation
• Battery-operated systems utilizing high-voltage battery packs
• Keep-alive power supplies in embedded systems

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

Verify the specific suffix 'YMM' confirms the MSOP-8 package and lead-free status. Confirm the '-5.0' designation ensures the fixed 5V output variant rather than adjustable or other voltage options. Check RoHS compliance documentation for environmental standards. Ensure the supplier source matches Microchip Technology official distribution channels to guarantee authenticity.

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

Select this component when a fixed 5V rail is required from inputs ranging up to 30V. It is suitable for applications needing 500mA capability with minimal external components. Consider the MSOP-8 package for space-constrained designs. Verify that the 350mV dropout meets the minimum input-to-output voltage differential requirements of the target circuit under all operating conditions.

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

This part belongs to the MIC5239 series of low quiescent current LDO regulators. The series offers various output voltages and packages, including SOIC-8, MSOP-8, and SOT-223. The MIC5239 family is designed for high-vin, low-Iq applications, distinguishing it from lower voltage or higher current variants like the MIC5235.

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

MIC5239-5.0YMM-TR (Tape and Reel version of the same part)

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

What is the maximum input voltage for the MIC5239-5.0YMM?

The maximum operating input voltage is 30V.

Does the MIC5239-5.0YMM require a specific type of output capacitor?

It requires only a 3.3µF ceramic or tantalum output capacitor for stability.

What protection features are included in this regulator?

It includes thermal shutdown, current limit, overvoltage shutdown, reverse-leakage protection, and reverse-battery protection.