FDC6323L

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The FDC6323L is a smart power protection switch developed by Fairchild, targeting consumer and mobile application. It integrates a power MOSFET switch and a logic block, providing a very fast and efficient protection in system power deliver controlling. This chip can be classified as PMIC (Power Management Integrated Circuit) - Power Distribution Switches, Load Drivers.

The FDC6323L works as a low-side switch and the switch is controlled by setting the signal input of the control gate. When the gate is enabled the power signal can pass from the signal source to the load. When the gate is disabled, the signal path gets cut and the power flow is blocked. This chip is designed for active high logic control, therefore the switch will be enabled when the input signal is at a high level and disabled when that same signal is at a low level.

In terms of application field, the FDC6323L is mainly used in systems where efficient power supply control is required, such as laptop, tablet PCs and mobile phones. It allows efficient control of power flow, safeguarding and protecting the circuits and components inside the system.

The load drivers are typically used to control LED display backlighting, powering up and powering down hard drives, power converters, power meters and other power-sensitive devices. This type of chip is also used in motors to control motor speed and direction of rotation, while its power MOSFET switch can also be used in applications that require high-accuracy voltage control.

The FDC6323L is designed to operate at a wide input voltage range from 2.5V to 20V. Its typical drain current is larger than 1.0A in saturation region and its maximum drain current is 1.4A (ID 2.8V). The maximum drain-source voltage is 40V, which is suitable for a large amount of applications. The total power dissipation of this chip is high and can supports a large temperature range from -40℃ to +150℃.

The FDC6323L integrates a power MOSFET switch and a logic block and provides a fast and efficient power protection switching control in system power delivery. The chip is characterized by a wide input voltage range, high drain current, and large total power dissipation. It is mainly used in systems that require efficient power supply control, such as laptop, tablet PCs and mobile phones, as well as in a wide range of applications such as LED display backlighting, power converters, power meters and other power-sensitive devices.

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