IRLR8726TRPBF Detailed explanation of pin function specifications and circuit principle instructions

The part number "IRLR8726TRPBF" corresponds to a specific component manufactured by Infineon Technologies. Based on the part number, this is a N-channel MOSFET, typically used in power switching applications, such as in power supplies, motor control, and other high-power circuits. This component is often used in systems requiring efficient switching with low on-resistance, fast switching speed, and high efficiency.

Pin Function Specifications and Circuit Principle

The IRLR8726TRPBF is an N-channel MOSFET housed in a TO-220 package. Let's break down the pinout for this package and its detailed functionality.

Package and Pinout Details Package Type: TO-220 Pin Count: 3 pins

For the TO-220 package, the pins are as follows:

Pin 1 (Gate - G): Controls the switching of the MOSFET. Applying a voltage between the gate and the source controls whether the MOSFET is on (conducting) or off (non-conducting).

Pin 2 (Drain - D): The current flows out of the drain when the MOSFET is on. The drain is typically connected to the load in a typical application.

Pin 3 (Source - S): The current flows into the source pin when the MOSFET is on. It is typically connected to the ground or the negative rail of the circuit.

Pin Function Table: Pin Number Pin Name Function Description 1 Gate (G) Controls the MOSFET switching. A voltage between gate and source (Vgs) controls the conduction. 2 Drain (D) Current flows out of the MOSFET when turned on. Connected to the load or positive rail in typical applications. 3 Source (S) Current flows into the MOSFET when turned on. Typically connected to ground or the negative rail in circuits.

FAQs

What is the gate voltage required for the IRLR8726TRPBF to switch on? The gate voltage (Vgs) required to turn on the IRLR8726TRPBF is typically 10V for full conduction. What is the maximum drain-source voltage of the IRLR8726TRPBF? The maximum drain-source voltage (Vds) for this MOSFET is 30V. Can the IRLR8726TRPBF handle high currents? Yes, it can handle a maximum continuous drain current of 62A at a Vgs of 10V. What is the Rds(on) for the IRLR8726TRPBF? The Rds(on) is typically around 0.005 ohms, meaning it has low on-resistance and efficient switching characteristics. What is the thermal resistance junction-to-case for this MOSFET? The thermal resistance junction-to-case (RthJC) is 2.0°C/W. What is the maximum power dissipation of the IRLR8726TRPBF? The maximum power dissipation is 125W. What is the maximum operating junction temperature for the IRLR8726TRPBF? The maximum operating junction temperature is 150°C. Can the IRLR8726TRPBF be used in a high-speed switching circuit? Yes, it is designed for fast switching applications with a gate charge (Qg) of around 25nC. What is the typical application for the IRLR8726TRPBF? It is commonly used in power supplies, motor control circuits, and other high-efficiency power switching applications.

What type of gate drive voltage should be used for optimal switching performance?

A gate drive voltage of 10V is recommended for optimal switching performance.

What is the total gate charge (Qg) for the IRLR8726TRPBF?

The total gate charge is typically 25nC at Vgs = 10V.

What is the body diode characteristic of the IRLR8726TRPBF?

The IRLR8726TRPBF has an internal body diode with a forward voltage drop of approximately 1.4V.

How should the IRLR8726TRPBF be mounted for best thermal performance?

The MOSFET should be mounted on a heatsink or placed in a thermally optimized layout for efficient heat dissipation.

Can the IRLR8726TRPBF be used for both high-side and low-side switching?

It is typically used for low-side switching in common applications.

What is the maximum pulsed drain current for the IRLR8726TRPBF?

The maximum pulsed drain current is 250A.

What is the gate threshold voltage (Vgs(th)) for this MOSFET?

The gate threshold voltage (Vgs(th)) is between 1V to 3V, meaning it starts to turn on at this voltage range.

What is the gate capacitance (Cgs) of the IRLR8726TRPBF?

The gate-source capacitance (Cgs) is typically around 200pF.

How does the IRLR8726TRPBF behave in low-voltage applications?

The IRLR8726TRPBF is suitable for low-voltage applications, but the gate-source voltage must be carefully controlled for proper operation.

What is the maximum transient thermal resistance of this device?

The maximum transient thermal resistance is typically 3.0°C/W.

What is the recommended PCB layout for the IRLR8726TRPBF?

The PCB layout should include wide traces for high current paths and ensure sufficient copper area for heat dissipation.

The above description includes all relevant information for understanding the function of each pin and answering the most common questions related to the IRLR8726TRPBF MOSFET.