FDS9933A

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FDS9933A is an array of field-effect transistors (FETs) normally classified as metal-oxide-semiconductor field effect transistors (MOSFETs). It is a highly integrated MOSFET device and was developed to provide high integration, improved performance and convenience in applications such as portable electronic devices, consumer applications and automotive electronics. FDS9933A features eight power FETs packaged in a 55 mm x 57mm thermally enhanced SO-8 package. Each device has an independent or parallel gate to allow for a broad range of applications.

FDS9933A is suitable for use as an array of low side and/or high side switch, such as a DC-DC converter, a switched-mode power supply, an actuator, a motor controller, and so on. In the DC-DC converter, this device is suitable for providing continuous or pulsing power, such as those used in buck, boost and buck-boost converters. The device also offers a wide range of protections and diagnostics capabilities.

The operation of the FDS9933A is based on the principle of voltage-controlled current conduction. When a positive voltage is applied to the gate, a channel is formed between the source and the drain. This channel allows current to flow between the source and drain, with the amount of current controlled by the magnitude of the gate voltage. The device also has a threshold voltage Vth, which defines the minimum voltage level required to initiate conduction.

The FDS9933A is constructed with an array of eight power FETs in a 55 mm x 57 mm package. Each FET is connected to its own parallel gate, which can be programmed to provide either a high side or low side switch action. The device also features a shutdown input, which can be used to disable the switch if required. This feature helps to reduce device power consumption, increase system efficiency and improve system performance.

In addition, the FDS9933A offers a variety of protection and diagnostic features such as over temperature protection, over current protection, and gate failure protection. Protective features such as these help to reduce the system downtime due to faults, as well as helping to diagnose problems with the system.

The FDS9933A is suitable for a wide range of applications, ranging from driving motors and actuators, to providing power control in DC-DC converters, switched-mode power supplies and automotive electronics. It offers high integration, improved performance and convenient features such as over temperature and over current protection.

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