MIC49300-1.5WR

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

The MIC49300-1.5WR is a fixed-output linear regulator from Microchip Technology, delivering a stable 1.5V output at up to 3A. It operates within an input voltage range of 1.4V to 6.5V and features a maximum dropout voltage of 0.4V at full load. The device includes enable control, overcurrent protection, and thermal shutdown. It is housed in a surface-mount 5-SPAK package with a tab for thermal dissipation, suitable for operation between -40°C and +125°C.

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

• Provides high-current regulation with a 3A continuous output capability.
• Integrates comprehensive protection mechanisms including overcurrent limiting and thermal shutdown.
• Features low dropout performance to maintain regulation under varying load conditions.
• Includes an enable pin for precise power management and system control.

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

• Powering portable electronic devices requiring efficient voltage regulation
• Supplying power to embedded systems and microcontrollers
• Battery-powered equipment needing extended runtime through low dropout operation

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

Verify the specific suffix 'W' indicates the tube packaging variant rather than the tape-and-reel configuration. Confirm the fixed 1.5V output requirement matches the design specifications. Ensure the 5-SPAK package footprint aligns with the PCB layout. Check RoHS compliance status if required by project standards. Validate lead times as they may vary based on manufacturing availability.

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

Select this component when a fixed 1.5V rail is needed with high current capacity. The 5-SPAK package offers superior thermal performance compared to smaller SOT packages. Consider the 0.4V dropout voltage for battery-operated applications where input voltage may sag. The integrated thermal shutdown provides safety against overheating in confined spaces. Verify that the input voltage does not exceed the 6.5V maximum rating.

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

This part belongs to the MIC49300 series of low-dropout regulators designed for high-current applications. The series includes adjustable and fixed voltage variants. The MIC49300-1.5WR specifically targets designs requiring a stable 1.5V supply. It complements other PMIC solutions by offering simple external component requirements. The product line supports various industrial and consumer electronics markets.

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

MIC49300-1.5WR-TR (Tape & Reel version)

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

What is the maximum input voltage for the MIC49300-1.5WR?

The maximum input voltage is 6.5V.

Does the MIC49300-1.5WR include thermal protection?

Yes, it includes thermal shutdown protection to prevent damage during overheating events.