FAN6520BIMX Integrated Circuits (ICs)

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The FAN6520BIMX is a member of Texas Instruments\' Switching Controllers, a line of DC DC controllers for voltage regulation. This switching controller is designed for applications such as notebook PCs, PCMCIA, handheld BGA and TFT LCD. The FAN6520BIMX provides constant-current/constant-voltage, three-phase switching function suitable for use in high-efficiency applications.

The FAN6520BIMX offers several features designed to improve efficiency and reduce power dissipation. It has a programmable clock with duty cycle range from 1 percent to 99 percent and double frequency range up to 500 kHz, which enables its output voltage to be accurately set and regulated without requiring any external components. The internal MOSFETs in the FAN6520BIMX are optimized for low input voltage and low-resistance/low-voltage drop operation. This reduces input power losses and eliminates the need for external drivers or external low-dropout regulators.

In addition, the FAN6520BIMX can be set up in either step-down or step-up topology. It supports synchronous or asynchronous operation, which allows it to be used in multiple topologies. The FAN6520BIMX has an integrated master-slave synchronization circuit that ensures the power supply operates in phase with the output current. This avoids power losses and improves efficiency. The FAN6520BIMX also features over-current protection, short-circuit protection, over-temperature protection, over-voltage protection, over-load protection and under-voltage protection.

The FAN6520BIMX can be used in a wide range of applications, including PCMCIA, notebook PCs, handheld BGA and TFT LCD. This controller is ideal for high-efficiency applications that require low input voltage, low-loss and high accuracy. Its features make it suitable for applications such as mobile computing, digital media, imaging, lighting and industrial applications.

The working principle of the FAN6520BIMX can be summarised as follows. The FAN6520BIMX has two main stages. The first is the control stage. This stage consists of a programmable clock that generates a carrier signal, which is then used to create the switching frequency. The second stage is the power stage, which consists of N−MOSFETs used to drive the output voltage. The FAN6520BIMX is used to provide stable output voltage through the control of its N−MOSFET power switches and its programmable clock.

The FAN6520BIMX is designed for use in a variety of DC-DC conversion applications. It has the capability to provide constant-voltage/constant-current and three-phase switching. Its features make it suitable for use in high-efficiency applications that require low-voltage, low-resistance and high-accuracy performance. Its integrated over-current, short-circuit, over-temperature, over-voltage, overload and under-voltage protection ensure a reliable operation. The FAN6520BIMX is an ideal choice for use in PCMCIA, notebook PCs, handheld BGA and TFT LCD applications.

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