MIC5209-2.5BM-TR

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

The MIC5209-2.5BM-TR is a fixed-output linear voltage regulator manufactured by Microchip Technology, providing a nominal 2.5V output with a maximum current of 500mA. It operates within an input voltage range of +2.5V to +16V and features a maximum dropout voltage of 600mV at full load. The device offers 1% output accuracy and includes integrated protection against overcurrent, overtemperature, and reversed battery conditions. Packaged in SOIC-8, it supports operation from -40°C to +125°C.

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

• Provides stable regulation with guaranteed 500mA output capability across the full operating temperature range.
• Features extremely tight line and load regulation for precise power delivery.
• Includes comprehensive protection mechanisms such as current limiting, thermal shutdown, and reversed-battery protection.
• Designed for no-load stability, ensuring reliable performance even with minimal or zero external loads.

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

• Pentium II Slot 1 and Slot 2 support circuits
• Laptop, notebook, and palmtop computers
• Cellular telephones
• Consumer and personal electronics
• SMPS post-regulator and DC/DC modules

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

Verify that the specific suffix 'BM' corresponds to the intended package type and tape/reel configuration before ordering. Confirm that the 2.5V output voltage aligns with system requirements, noting that lower voltage variants may have restricted junction temperature ranges. Ensure compatibility with the SOIC-8 footprint and check for any recent Product Change Notifications regarding manufacturing sites or materials.

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

Select this component when a fixed 2.5V rail is required with high precision and robust protection features. The SOIC-8 package provides a balance between thermal dissipation and board space. Consider the enable pin functionality available in this package for power management control. Evaluate thermal resistance requirements based on the expected voltage drop and load current to ensure operation within safe junction temperatures.

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

The MIC5209 series consists of low-dropout linear regulators designed for battery-powered applications. This specific part belongs to the fixed-output family, offering various voltage options. The 'B' suffix typically denotes the SOIC-8 package variant, which includes an enable/shutdown pin and a bypass pin for noise reduction, distinguishing it from other package types like SOT-223 or DFN.

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

Direct substitutes include other MIC5209 variants with different output voltages if the voltage level can be adjusted via external resistors (adjustable versions) or if a different fixed voltage is acceptable. Cross-referencing with similar 500mA LDOs from other manufacturers requires verification of pinout compatibility, dropout voltage characteristics, and thermal performance.