TC7660HEOA713

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The TC7660HEOA713 is an integrated dual-channel component, which integrates a N-Channel MOSFET switch, a low-dropout linear regulator, and thermal protection protection on the same chip. Generally optimized for a 3.2 mm2 package, it is suitable for a wide range of applications, often found in the DC-DC switching regulator field.

Application Field

In the DC-DC switching regulator field, the TC7660HEOA713 is most suitable when it\'s necessary to switch quickly between two different output voltages. It is also extremely useful when a device requires two different levels of power, such as a dual-level processor or something with a Ethernet interface. The integration of an extremely low-dropout linear regulator makes it ideal for supplying all the secondary voltages, such as the logic control section and the memory section, with a low-noise voltage, increasing the reliable performance of the system. Additionally, the TC7660HEOA713 offers open- and short-circuit protection on both its outputs.

Working Principle

The TC7660HEOA713 utilizes a simple yet powerful design for such a small package. It consists of two N-Channel MOSFET switches, two low-dropout linear regulators, and a thermal protection circuit.

The two MOSFETs are used to switch between the two different outputs. The first output is an adjustable output, which can be set to any voltage up to 16V, while the second one is a fixed 3.3V. The voltage on these two outputs can be switched quickly by applying the logic-level control signals.

The two low-dropout linear regulators ensure that the output voltage is as low-noise as possible, while still remaining within the range of the adjustable output. The thermal protection circuit is used to protect the device from any damage due to over-heating.

In normal operation, the TC7660HEOA713 works in conjunction with the input voltage to control the set of outputs with a high switching frequency, which ensures a high efficiency of the whole system.

Conclusion

The TC7660HEOA713 is a very useful component for many DC-DC switching regulator applications. It integrates an adjustable output and a fixed 3.3V output, as well as both low-dropout linear regulators and thermal protection circuit. This component is ideal for supplying secondary voltages, such as the logic control section and the memory section, with a low-noise voltage. In addition, it offers open- and short-circuit protection on both its outputs, making it a very reliable choice.

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