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MIC29300-3.3WT

MCHPMIC29300-3.3WT

Microchip Technology
LDO Voltage Regulators 3.0A LDO Fixed Voltage
773 in stock

Overview

The MIC29300-3.3WT is a 3A low-dropout (LDO) voltage regulator designed for applications requiring a fixed 3.3V output. It features a low dropout voltage of 0.6V at 3A and supports input voltages up to 26V. This device includes protection features such as over current, over temperature, reverse polarity, and transient voltage.

Why Choose This Part

Engineers choose the MIC29300-3.3WT for its robust protection features, including over current, over temperature, reverse polarity, and transient voltage protection. Its accurate 1% guaranteed tolerance ensures stable output voltage, while its fast transient response helps maintain regulation under sudden load changes. The low dropout voltage of 0.6V @ 3A allows for efficient operation even with small input-output differentials.

Applications

High-Current Logic Power Supplies
Provides stable 3.3V power to microcontrollers and digital logic circuits that require up to 3A.
Battery-Powered Equipment
Suitable for portable devices due to its low ground current and reverse-battery protection, extending battery life and improving robustness.
Post-Regulation for Switching Supplies
Can be used as a post-regulator to filter ripple and provide a cleaner 3.3V supply after a switching converter.
Automotive Systems
The reverse-battery and 'Load Dump' protection make it suitable for non-critical automotive applications.

Key Specifications

Output Type Fixed
Mounting Type Through Hole
Package / Case TO-220-3
Current - Output 3A
Protection Features Over Current, Over Temperature, Reverse Polarity, Transient Voltage
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 125degC
Voltage - Input (Max) 26V
Voltage Dropout (Max) 0.6V @ 3A
Supplier Device Package TO-220-3
Voltage - Output (Min/Fixed) 3.3V

Getting Started

To get started with the MIC29300-3.3WT, integrate it into your power supply design with appropriate input and output capacitors for stability, as recommended in the datasheet. Since it's a through-hole TO-220 package, it's easy to prototype on perfboards or solder into production PCBs. No specific development boards or IDEs are required for this component, as it functions as a standalone voltage regulator.

Also Consider

NCP1117ST33T3G ON Semiconductor - A common 1A fixed 3.3V LDO in a surface-mount package (SOT-223), useful for designs with space constraints.
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