DMP2045U-13

Power Dissipation (Max):	800mW (Ta)
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
FET Type:	P-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	20V
Current - Continuous Drain (Id) @ 25°C:	4.3A (Ta)
Drive Voltage (Max Rds On, Min Rds On):	1.8V, 4.5V
Rds On (Max) @ Id, Vgs:	45 mOhm @ 4A, 4.5V
Vgs(th) (Max) @ Id:	1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	6.8nC @ 4.5V
Vgs (Max):	±8V
Input Capacitance (Ciss) (Max) @ Vds:	634pF @ 10V
FET Feature:	--

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DMP2045U-13 Application Field and Working Principle

The DMP2045U-13 is a single P-channel, depletion-mode MOSFET that is a versatile and powerful addition to any electronic circuit. The device is well suited to a wide range of power applications, and its unique design makes it highly efficient and reliable. In this article we will describe the application field and working principle of the DMP2045U-13.The DMP2045U-13 is a member of the depletion-mode MOSFET family. It is a single, P-channel MOSFET with a drain-to-source voltage rating of 25V (D-S25V) and 0.2 Ohms channel resistance (RDS-ON). The device has a high input impedance (Ciss for input capacitance between the gate and source is in the range of 75-150pF), and low output capacitance (Coss for output capacitance between the drain and source is in the range of 150-400pF). It also has a high-speed switching capability (8ns typical turn-off time) and can withstand high current surges.The main application area of the DMP2045U-13 is in load-switching circuits, where the device can be used to control the flow of power between two points. The use of a MOSFET in a load-switching circuit requires an input signal to be applied to the gate of the device, which will turn the switch on or off. This input signal can be provided by a microcontroller or other external control device, as required.The working principle of the DMP2045U-13 is based on the modulation of current flow through the device with a gate voltage signal. When the gate voltage is low, the device\'s drain-source channel will be "off," meaning there will be no current flow. When the gate voltage is increased, a conduction channel will be created and current will begin to flow through the device. The amount of current that can flow through the device is controlled by the magnitude of the gate voltage.When the device is used in a load-switching circuit, the gate voltage is used to control the flow of current. When the gate voltage is low, the device is "off" and the load is disconnected from the power source. When the gate voltage is increased, the device turns "on" and the load is connected to the power source. This type of application allows for precise control of the power being applied to the load.The DMP2045U-13 is a versatile MOSFET, capable of being used in a wide range of power applications. Its high input impedance and low output capacitance make it highly efficient and reliable when used in load-switching circuits, allowing for precise and reliable control of power supply to the load. The device is also highly flexible, allowing for the use of a wide range of gate voltages depending on the application.

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