LTC7800IUDC#TRPBF

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The LTC7800IUDC#TRPBF is a Type IV DC/DC switched capacitor controller, designed to provide a low cost, space-saving solution for implementing high voltage, low current and low voltage, high current circuits. As an example, this type of controller may be used in a number of applications, including control of a buck converter for an automotive subwoofer, power conditioning for a solar panel, and more.

Advantages

The LTC7800IUDC#TRPBF highly integrated architecture enables a compact layout, which helps reduce the board space and cost of your design. This controller is specifically designed for the conversion of voltages from higher to lower levels and includes integrated diagnostic capabilities, such as current limit, short circuit protection and thermal protection. Furthermore, the part enables synchronous or diode-emulated operation.

Application fields

The LTC7800IUDC#TRPBF is suitable for a wide range of applications, offering excellent performance for high speed, low current loads, as well as for low speed and high current loads. Its ability to control voltage conversion from high to low levels makes it an ideal choice for automotive, industrial, medical and consumer applications.

Some examples of applications include controlling buck converters for automotive subwoofers; controlling buck converters or boost converters to provide regulated supply voltages in range extender vehicles; supplying power to solar panels in a controller; powering industrial equipment; and medical devices. The part is also used in consumer applications such as personal audio devices, battery chargers, gaming consoles and other consumer electronics.

Working principle

The LTC7800IUDC#TRPBF is a switched capacitor controller. It has two inputs (which can be externally controlled) and two outputs. One output is the voltage (VOUT), which is the regulated output from the controller, and the other output is the current regulator (IRC), which regulates the current (IMAX) to an external load. The controller has a charge pump to regulate the voltage on the output and has a built-in current limit to prevent excessive current from flowing into the external load. The controller uses N-type and P-type MOSFETs in a push-pull configuration to switch the load current. The switching frequency can be configured by the user to optimize the power usage of the controller.

The controller also has a number of built-in safety features, such as over current protection, short circuit protection, thermal protection and an auto recovery mechanism. Additionally, reverse voltage protection is provided in the form of a current limiting feature that reduces the amount of output current when the input voltage becomes too low. This allows the system to continue to operate in a safe manner, even when the input voltage is unstable.

Conclusion

The LTC7800IUDC#TRPBF is an excellent choice for a variety of applications involving low-voltage, high-current and high-voltage, low-current applications. Its highly integrated design makes it a space-saving solution and the integrated diagnostic capabilities provide added safety. Its excellent performance, coupled with its integrated safety features and its ability to dynamically regulate the input and output voltages makes the LTC7800IUDC#TRPBF an ideal solution for a wide range of applications.

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