FDW258P

Series:	PowerTrench®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
FET Type:	P-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	12V
Current - Continuous Drain (Id) @ 25°C:	9A (Ta)
Drive Voltage (Max Rds On, Min Rds On):	1.8V, 4.5V
Rds On (Max) @ Id, Vgs:	11 mOhm @ 9A, 4.5V
Vgs(th) (Max) @ Id:	1.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	73nC @ 4.5V
Vgs (Max):	±8V
Input Capacitance (Ciss) (Max) @ Vds:	5049pF @ 5V
FET Feature:	--
Power Dissipation (Max):	1.3W (Ta)
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)

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Introduction

FWD258P is a type of semiconductor used to amplify and switch electronic signals, and it is a P-channel field-effect transistor (FET). Like other types of FETs, FWD258P operates by using an electric field to control the conductivity of a semiconductor. It consists of two diffusions with a gate between them. The gate is used to control the flow of the current from one diffusion to the other, and it is usually made from a polysilicon material or metal oxide semiconductor (MOS) structure.

Application Field

FWD258P is commonly found in integrated circuit (IC) devices such as micro processes and digital signal processors. It is also used in computer peripherals, such as keyboards, monitors, and other input/output (I/O) devices. Additionally, FWD258P is used in various industrial and automotive electronics. As a result, it is an important part of many electronic designs.In the field of power management, FWD258P can be used as a switch to control the flow of current between different parts of a circuit. It is used in low-power applications that require low voltage or current. For example, FWD258P is used in the design of light dimmers and power supply units for portable devices. It is also used to control the flow of current within certain audio and video applications, such as CD and DVD players, amplifier circuits, and digital-to-analog converters.

Working Principle

FWD258P works by using an electric field to control the conductivity of a semiconductor. The field is created between the diffusion and the gate of the FET. Applying a positive voltage to the gate turns the FET “on”, allowing current to flow from the source diffusion to the drain diffusion. Conversely, a negative voltage turns the FET “off”, preventing current from flowing between the source and drain. This can be seen in the diagram below, which shows the behavior of a FWD258P.The ability of a FWD258P to control current flow is called its transconductance. Transconductance is a measure of the increase in current flow for a given increase in voltage applied to the gate. Higher transconductance leads to higher switch performance, which is why FWD258Ps are popular in applications that require fast switching times. Additionally, FWD258P can be used in low frequency circuits due to its low input capacitance and on-resistance. This allows it to operate efficiently and without causing interference in other circuits.

Conclusion

In conclusion, FWD258P is a type of semiconductor used to amplify and switch electronic signals. It is commonly used in IC devices, such as microprocessors and digital signal processors. It is also used in power management applications such as audio/video and power supply circuits. The operation of FWD258P relies on the principle of using an electric field to control the flow of current. Additionally, its low input capacitance and on-resistance makes it suitable for use in low frequency circuits.

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