IRLML6344TRPBF 30V 5A N-channel Field Effect Transistor SOT-23

IRLML6344TRPBF 30V 5A N-channel Field Effect Transistor SOT-23 is a high-performance, logic-level MOSFET specifically designed for high-density applications requiring efficient power management in a compact footprint. This Trench HEXFET power MOSFET provides exceptionally low on-resistance per silicon area, which minimizes power loss during operation. Consequently, it excels in battery-powered devices where energy efficiency is paramount. Furthermore, its logic-level gate drive capability allows direct triggering from microcontrollers, eliminating the need for complex driver stages. Therefore, you should consider this SOT-23 MOSFET as a superior choice for high-speed switching and power conversion in space-constrained electronic designs.

Key Features:

• Ultra-Low On-Resistance: The device features an R_DS(on) as low as 29 mΩ, which significantly reduces thermal dissipation and improves system efficiency.
• Logic-Level Gate Drive: It fully activates at low gate voltages, making it perfectly compatible with 3.3V and 5V digital logic circuits.
• High Drain Current: Despite its miniature size, the transistor supports a continuous drain current of up to 5.0 A, handling substantial power loads reliably.
• Fast Switching Speed: Low gate charge (Q_g) characteristics enable high-frequency switching, reducing switching losses in DC-DC converters.
• Industry Standard Package: The SOT-23 (Micro3) surface-mount package facilitates automated assembly and saves valuable PCB real estate.

Technical Specifications:

• Drain-to-Source Voltage (V_DSS): 30 V
• Continuous Drain Current (I_D): 5.0 A (± 25°C)
• Static Drain-to-Source On-Resistance (R_DS(on)): 29 mΩ (at V_GS = 4.5V)
• Gate-to-Source Voltage (V_GS): ± 12 V
• Gate Threshold Voltage (V_GS(th)): 0.5 V to 1.1 V
• Total Gate Charge (Q_g): ≈ 8.5 nC
• Operating Junction Temperature: −55°C to +150°C

Mechanical Specifications:

• Package Type: SOT-23 (TO-236AB)
• Mounting Type: Surface Mount Device (SMD)
• Lead Finish: Matte Tin (Pb-Free)
• Moisture Sensitivity Level: MSL1 (Unlimited floor life)

Dimensions:

• Body Length: ≈ 2.9 mm
• Body Width: ≈ 1.3 mm
• Total Height: ≈ 1.0 mm
• Lead Pitch: ≈ 0.95 mm
• Footprint: Standard SOT-23 pattern

Pinout and Wiring:

• Pin 1 (Gate): Connect this pin to your control signal or microcontroller GPIO to toggle the MOSFET.
• Pin 2 (Source): Connect this pin to the circuit ground or negative supply rail.
• Pin 3 (Drain): Connect this pin to the negative terminal of your load.
• Wiring Note: However, always ensure a common ground between the control signal and the source pin to prevent erratic switching.

Datasheet Reference:

• Download IRLML6344TRPBF MOSFET Datasheet

Commonly Used in:

• DC-DC Converters: Utilizing high-speed switching to provide regulated power in portable electronics.
• Battery Management Systems: Furthermore, it serves as an efficient charging and protection switch in Li-ion battery packs.
• Load Switches: Providing high-side or low-side switching for peripherals in embedded systems.

Applications:

• Portable Devices: Power management in smartphones, tablets, and handheld gaming consoles.
• Computing: Point-of-load regulation in laptops and motherboard power planes.
• IoT Modules: Providing efficient power control for wireless sensors and low-power communication modules.

Equivalent Models:

• AO3400A: A popular N-channel SOT-23 MOSFET with similar voltage and current ratings.
• Si2302CDS: A direct replacement option featuring logic-level gate drive and a compact footprint.
• BSS138: In contrast, this is only suitable for signal-level switching due to its much lower current capacity.

Package Includes:

• 1 x IRLML6344TRPBF 30V 5A N-channel Field Effect Transistor SOT-23