VND7140AJTR Integrated Circuits (ICs)

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The VND7140AJTR is a driver power switch, in the family of Power Management Integrated Circuits (PMIC), specifically, a high-side switch. This type of switch is capable of sourcing up to 4 A, provided in a very compact TSOT package, making it ideal for applications such as LCD bias, motor drive, and other consumer electronics. It can also be used in automotive applications.

The VND7140AJTR is based on an N-channel field effect transistor (FET) switch with an integrated linear regulator that allows for current limiting and low standby power. The integrated process enables a low on-resistance switch with a low voltage drop, allowing for higher efficiency applications.

The VND7140AJTR has a typical output voltage range from 6 V to 12 V and an operating temperature range from -40 C to +150 C. It is also capable of driving up to 2V float when power is off, reducing the effect of leakage current in applications such as ECU safety isolation and AC system isolation. In addition, the maximum on-state power dissipation of the switch is 1.5 W at a 12 V output voltage, allowing it to be used in higher power applications.

The excellent electrical characteristics of the VND7140AJTR enable it to be used in a wide range of applications, such as automotive body controllers, power windows, monitors, mobile products and digital camera components. Additionally, its integrated current limiter and programmable overvoltage protection features help guarantee safe operation by limiting the amount of current in a shortcut and shutting down the switch in the case of an overvoltage.

The working principle behind VND7140AJTR is relatively straightforward. It contains two primary components: an N-channel MOSFET and an integrated linear regulator. The N-channel MOSFET acts as the switch, controlling the flow of current from the source to the drain. When the input, or gate voltage, rises above a certain threshold (VGS), the FET will turn on and current will flow through the drain and source. The integrated linear regulator is used to regulate the current through the switch, by limiting the amount of current that is allowed to flow through.

The VND7140AJTR is a reliable and robust switch specifically designed for power management applications. Its integrated linear regulator and flexibility allow for integration in a wide range of applications without sacrificing power or design quality. The low on-resistance and fast switching speeds also make it ideal for high frequency applications, such as LCD bias, motor drive, and power windows in automotive applications.

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