MIC29310-3.3WT: Powering Your 3.3V Systems with Uncompromising Reliability
In the realm of power management, stability and reliability are non-negotiable. The MIC29310-3.3WT from Microchip Technology stands out as a premier solution for applications demanding a robust 3.3V, 3A low-dropout (LDO) voltage regulator. This component is engineered to deliver exceptional performance where traditional regulators fall short, particularly in high-current, noise-sensitive environments.
At its core, the MIC29310-3.3WT is a fixed-output voltage regulator capable of supplying up to 3 amps of continuous current with a remarkably low dropout voltage. This low dropout feature—typically 350mV at 3A—ensures efficient regulation even when the input voltage dips very close to the 3.3V output level, preserving system stability and extending battery life in portable devices. It is an ideal choice for powering core voltages of FPGAs, ASICs, microprocessors, and other digital logic where a clean, precise power rail is critical.
Beyond its current capability, this regulator is packed with features designed for robust real-world operation. It boasts excellent line and load regulation, maintaining a steady output despite fluctuations in input voltage or changes in the current drawn by the load. A critical advantage is its integrated over-current and thermal protection, which safeguards both the regulator itself and the downstream circuitry from damage under fault conditions. Furthermore, its very low quiescent current makes it suitable for power-conscious designs.
The device is offered in the robust TO-220 package, which provides excellent thermal characteristics, allowing it to dissipate heat effectively under high load conditions, often without an excessive heatsink. This package is industry-standard, making it easy to prototype and integrate into final designs.

ICGOOODFIND: The MIC29310-3.3WT is a high-performance, high-current LDO regulator that provides a simple and highly reliable solution for generating a critical 3.3V power rail. Its combination of low dropout voltage, high current output, and comprehensive protection features makes it an indispensable component for demanding industrial, automotive, and communications applications.
Keywords:
Low-Dropout (LDO) Regulator
3A Current Output
Thermal Protection
Voltage Regulation
Power Management
