IRF7905TRPBF

Vgs(th) (Max) @ Id:	2.25V @ 25µA
Base Part Number:	IRF7905PBF
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Power - Max:	2W
Input Capacitance (Ciss) (Max) @ Vds:	600pF @ 15V
Gate Charge (Qg) (Max) @ Vgs:	6.9nC @ 4.5V
Series:	HEXFET®
Rds On (Max) @ Id, Vgs:	21.8 mOhm @ 7.8A, 10V
Current - Continuous Drain (Id) @ 25°C:	7.8A, 8.9A
Drain to Source Voltage (Vdss):	30V
FET Feature:	Logic Level Gate
FET Type:	2 N-Channel (Dual)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The IRF7905TRPBF is a type of field-effect transistor (FET) array specifically designed for low power, low current applications. It is a three-terminal device with a gate-controlled dielectric between the gate and the source. This dual-gate FET array is available in both through-hole and surface mount packages, making them extremely versatile for a variety of applications. The purpose of this article is to explain the application field and working principle of the IRF7905TRPBF FET array.

Application Field and Working Principle

The IRF7905TRPBF FET array is used in a variety of low power, low current applications such as voltage regulation, switched power supplies, switching power amplifiers, and DC-DC converters. It is also used in high frequency applications such as RF amplifiers and modulators. The IRF7905TRPBF features a low-side driver architecture and a high-side driver architecture for optimal performance in a wide variety of applications.The working principle of the IRF7905TRPBF FET array is based on the dual-gate architecture of the FET. The dual-gate FET array consists of two back-to-back FETs with a dielectric between their respective gates. The gate of the FET on the source side is referred to as the "low-side" gate, while the gate of the FET on the drain side is referred to as the "high-side" gate. The dielectric controls the flow of electrons between the two FETs, allowing for efficient switching of current.When the low-side gate of the IRF7905TRPBF FET array is given a voltage, it is able to control the current flow between the source and the drain. With the voltage applied to the low-side gate, the high-side gate is able to control the output voltage of the FET array. This allows for efficient voltage regulation and switching in low power, low current applications.The IRF7905TRPBF FET array is also capable of providing high frequency performance thanks to its design, which provides high-side switching frequency. This allows the FET array to be used in applications such as high frequency modulation, frequency conversion, and power amplifiers.In summary, the IRF7905TRPBF FET array is a versatile device used in a variety of low power and low current applications. Thanks to its dual-gate FET architecture, it is able to provide efficient voltage regulation and switching, as well as high frequency performance. It is available in both through-hole and surface mount packages for maximum flexibility.

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