IRL3705ZPBF MOSFET

Technical Specifications of IRL3705ZPBF

Datasheet	IRL3705ZPBF datasheet
Category	Discrete Semiconductor Products
Family	Transistors – FETs, MOSFETs – Single
Manufacturer	Infineon Technologies
Series	HEXFET?
Packaging	Tube
FET Type	MOSFET N-Channel, Metal Oxide
FET Feature	Logic Level Gate
Drain to Source Voltage (Vdss)	55V
Current – Continuous Drain (Id) @ 25°C	75A (Tc)
Rds On (Max) @ Id, Vgs	8 mOhm @ 52A, 10V
Vgs(th) (Max) @ Id	3V @ 250μA
Gate Charge (Qg) @ Vgs	60nC @ 5V
Input Capacitance (Ciss) @ Vds	2880pF @ 25V
Power – Max	130W
Operating Temperature	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220AB

IRL3705ZPBF Introduction

The IRL3705ZPBF is a potent N-channel MOSFET frequently utilized in high-current switching applications. It has a maximum voltage rating of 55 volts, a current rating of 75 amps (Tc), and a power rating of 130 watts (Tc). The MOSFET is simple to use and incorporate into many circuit designs because it is offered in a Through Hole TO-220AB package type.

A crucial part of high-current switching applications, the IRL3705ZPBF MOSFET can manage big currents with little resistance, reducing power loss and heat generation. It is perfect for audio amplifiers, power supplies, and motor control circuits due to its quick switching speeds and outstanding thermal performance. Engineers and designers that need to regulate high currents in their circuits frequently choose the IRL3705ZPBF MOSFET due to its strong power handling capabilities and low on-resistance.

IRL3705ZPBF Description

The incredibly low on-resistance per silicon area of this HEXFET® Power MOSFET is made possible by cutting-edge manufacturing processes. A 175°C junction operating temperature, quick switching, and increased repeating avalanche rating are other characteristics of this design. These characteristics work together to provide a highly effective and dependable gadget for various applications.

IRL3705ZPBF Features

• Advanced Process Technology.
• Logic Level.
• Ultra-Low On-Resistance.
• 175°C Operating Temperature.
• Fast Switching.
• Lead-Free.

Technical Specifications for the IRL3705ZPBF MOSFET

• Drain-Source Voltage (Vds): 55V
• Continuous Drain Current (Id): 75A (Tc)
• Power Dissipation (Pd): 130W (Tc)
• Gate Threshold Voltage (Vgs(th)): 2-4V
• Drain-Source On-Resistance (Rds(on)): 14mOhm (max)
• Maximum Junction Temperature (Tj): 175°C
• Input Capacitance (Ciss): 2520pF (typ)
• Output Capacitance (Coss): 860pF (typ)
• Reverse Transfer Capacitance (Crss): 610pF (typ)

The maximum voltage that can be placed between the drain and source terminals of the MOSFET without causing damage is specified by the Drain-Source Voltage (Vds). The MOSFET’s highest continuous current capacity while retaining its rated temperature is determined by the Continuous Drain Current (Id). The maximum power that a MOSFET can dissipate without going above its rated temperature is specified by the power dissipation (Pd).

The drain-source on-resistance (Rds(on)) and gate threshold voltage (Vgs(th)) both describe the resistance that exists between the drain and source terminals when the MOSFET is fully turned on. Understanding the switching characteristics of the MOSFET and how to drive it in various applications appropriately depends on these two criteria.

The maximum temperature that the MOSFET junction can safely run without suffering damage is specified by the Maximum Junction Temperature (Tj). This is necessary to guarantee the longevity and long-term reliability of the MOSFET.

Finally, the MOSFET’s capacitance values are specified by the Input Capacitance (Ciss), Output Capacitance (Coss), and Reverse Transfer Capacitance (Crss). These values are crucial for comprehending the MOSFET’s high-frequency performance and how it may impact circuit operation.

IRL3705ZPBF Applications

A flexible part that may be utilized in various applications that need high current switching is the IRL3705ZPBF MOSFET. Here are a few examples of real-world uses for the IRL3705ZPBF MOSFET:

• Circuits that regulate motors to turn on and off the current to the motor, the IRL3705ZPBF MOSFET, are frequently used in motor control circuits. The MOSFET is a great option for these applications due to its low on-resistance and quick switching times. It is feasible to precisely control the motor’s speed and direction while reducing power loss and heat generation by utilizing a MOSFET to control the motor.
• The IRL3705ZPBF MOSFET also regulates the output voltage and current of the power supply. A switching regulator circuit commonly employs the MOSFET to turn on and off the current at high frequencies. This minimizes power loss and heat generation while efficiently converting the input voltage to the desired output voltage.
• The IRL3705ZPBF MOSFET likewise controls the current going to the speakers in audio amplifier circuits. The MOSFET’s quick switching speeds and low on-resistance provide precise control over the current, reducing distortion and enhancing sound quality. The MOSFET’s minimal power loss and heat generation also increase the amplifier’s effectiveness.
• Circuits for DC-DC converters, which are used to step up or down the input voltage to the desired output voltage, frequently employ the IRL3705ZPBF MOSFET. A buck converter commonly employs the MOSFET to turn on and off the current at high frequencies. In addition to reducing power loss and heat generation, this enables effective conversion of the input voltage to the desired output voltage.
• LED lighting: The IRL3705ZPBF MOSFET is also used in LED lighting circuits to turn on and off currents to regulate the LEDs’ brightness. The MOSFET is a great option for these applications thanks to its low on-resistance and quick switching times, which enable accurate, current control while reducing heat generation and power loss.
• Solar power systems: The IRL3705ZPBF MOSFET is also utilized in solar power systems, which turn on and off the current to control the battery charge. The MOSFET’s quick switching speeds and low on-resistance enable precise charging current control, enhancing system efficiency and dependability.

The IRL3705ZPBF MOSFET offers advantages like high power handling capacities, low on-resistance, quick switching speeds, and great thermal performance in each of these applications. By reducing power loss and heat generation, these advantages contribute to the circuit’s overall efficiency and dependability.

Conclusion

In conclusion, the IRL3705ZPBF MOSFET is a very adaptable and dependable part frequently utilized in various high-current switching applications. Thanks to its excellent thermal performance, quick switching times, and low on-resistance, it is a fantastic choice for many applications, including motor control circuits, LED lighting, DC-DC converters, and more.

When using the MOSFET, it’s crucial to carefully consider the application’s unique requirements, including the required voltage, current ratings, and thermal considerations. Appropriate protection against overvoltage, overcurrent, and other potential risks should also be implemented to ensure safe and effective operation.

Various resources are available for people interested in learning more about the IRL3705ZPBF MOSFET or associated subjects, including manufacturer datasheets, application notes, and internet discussion forums. Additionally, if you’re looking to buy a MOSFET or other electronic parts, ICRFQ has a huge selection of parts at low prices and friendly staff who can help you with any inquiries or requests.

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