MIC5321-SFYMT-TR

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

The MIC5321-SFYMT-TR is a dual-channel Ultra Low-Dropout (ULDO) linear regulator manufactured by Microchip Technology. It integrates two independent 150mA LDOs within a compact 6-pin 1.6mm x 1.6mm Thin MLF package. The device provides fixed output voltages of 3.3V on the first channel and 1.5V on the second channel, operating from an input voltage range of 2.3V to 5.5V. Key electrical characteristics include a typical dropout voltage of 35mV at full load, ultra-low output noise below 30µVrms, and high power supply rejection exceeding 75dB. It features a dedicated bypass pin for enhanced noise performance, fast turn-on time, and integrated thermal shutdown and current limit protections.

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

• Dual 150mA outputs with µCap stability allowing operation with small ceramic capacitors
• Ultra-low dropout voltage design for maximum efficiency in portable applications
• Dedicated bypass pin to reduce output noise and improve power supply rejection ratio
• Integrated thermal shutdown and current limit protection for robust system reliability

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

• Mobile phones
• GPS receivers
• Portable media players
• Digital still and video cameras

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

Verify that the suffix 'MT' corresponds to the 6-pin 1.6mm x 1.6mm Thin MLF package rather than the TSOT-23 variant. Confirm the specific output voltage combination matches the required 3.3V and 1.5V rails. Ensure the component meets RoHS compliance standards as specified in the datasheet documentation.

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

Select this component when board space is constrained due to its minimal footprint size. Choose this part if the application requires simultaneous dual voltage rails with low noise specifications. Consider the thermal resistance characteristics when designing for high ambient temperatures or maximum continuous current loads.

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

This device belongs to the MIC5321 family of dual ULDO regulators designed for noise-sensitive portable electronics. The series offers various fixed output voltage combinations and packaging options, including TSOT-23 and MLF packages. It is engineered to provide high performance in a tiny form factor suitable for modern mobile and handheld devices.

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

Direct substitutes include other MIC5321 variants with different output voltage configurations but identical package types, such as MIC5321-MFYMT-TR.