The UT2321G-AE3-R is an N-Channel Enhancement Mode Power MOSFET manufactured by Unisonic Technologies Co., Ltd (UTC). It is designed for low voltage, high-speed switching applications such as DC-DC converters, load switches, and power management circuits. The device features low on-resistance and fast switching speed, providing efficient and reliable performance.

Applications:

• DC-DC Converters: Used in step-up or step-down voltage regulation.
• Load Switching: Efficiently controls power to various loads.
• Power Management: Used in battery management and power distribution systems.
• LED Backlighting: Suitable for driving LEDs in display backlighting applications.
• Motor Control: Low-power motor drive applications.

Features:

• Low On-Resistance (RDS(on)): Reduces conduction losses, improving efficiency.
• Fast Switching Speed: Reduces switching losses, enabling higher frequency operation.
• Low Gate Charge (Qg): Requires less drive power, simplifying design.
• Avalanche Rated: Rugged design ensures reliable operation.
• Lead-Free/RoHS Compliant: Compliant with environmental standards.

Benefits:

• Improved Efficiency: Low RDS(on) minimizes power dissipation, increasing efficiency.
• Reduced Heat Generation: Low losses result in less heat, simplifying thermal management.
• Faster Switching: Enhances system responsiveness and performance.
• Simplified Design: Low gate charge reduces the complexity of driver circuits.
• Environmentally Friendly: RoHS compliance ensures minimal environmental impact.

Specifications:

The UT2321G-AE3-R typically features a drain-source voltage (VDS) of 20V and a continuous drain current (ID) of 4.5A. The on-resistance (RDS(on)) is typically 28 mΩ at a gate-source voltage (VGS) of 4.5V. The gate charge (Qg) is typically around 5 nC. It is commonly available in a SOT-23 package.

The thermal resistance is designed for efficient heat dissipation. The gate threshold voltage is precisely controlled for consistent switching characteristics, and the input capacitance is minimized to ensure fast switching. This MOSFET is designed to provide efficient and reliable performance in a variety of low-voltage applications.