MIC5216-3.8BM5-TR

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

The MIC5216-3.8BM5-TR is a fixed-output low-dropout linear voltage regulator manufactured by Microchip Technology, originally designed by Micrel. It provides a nominal 3.8V output in a space-saving SOT-23-5 surface-mount package. The device features a guaranteed 500mA peak output current capability for high inrush conditions and maintains better than 1% initial output voltage accuracy. Key electrical characteristics include a maximum dropout voltage of 500mV at full load, an operating input voltage range from 2.5V to 12V, and a junction temperature range of -40°C to +125°C.

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

• Integrated error flag output that indicates undervoltage faults
• CMOS or TTL-compatible enable/shutdown control with near-zero shutdown current
• Internal reversed-battery protection, current limiting, and overtemperature shutdown
• Low-noise performance optimized for sensitive analog and RF applications

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

• Laptop, notebook, and palmtop computers
• Cellular telephones and battery-powered equipment
• PC Card VCC and VPP regulation and switching
• SMPS post-regulator and DC-to-DC modules

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

Verify the specific ordering suffix against official documentation to confirm the package type and marking code. Confirm RoHS compliance status as specifications may vary by manufacturing lot. Ensure the supplier source is authorized to guarantee component authenticity and traceability. Review the datasheet for any recent updates regarding thermal resistance values or recommended footprint layouts.

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

Select this component when a compact solution requires high peak current handling during startup phases. The SOT-23-5 package is suitable for space-constrained designs needing reliable linear regulation. Consider the thermal resistance of the PCB layout if continuous high-current operation is required. Verify that the input voltage differential remains within the specified dropout limits for the expected load current.

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

This part belongs to the MIC5216 family of efficient linear voltage regulators known for high peak output current and tight accuracy. The series includes various fixed output voltages and alternative packages such as the MM8 power MSOP. It is designed to replace older LDOs requiring larger footprints while maintaining robust protection features like thermal shutdown and reverse polarity protection.

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

MIC5216-3.8BMM-TR