PT7756N

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DC-DC converters are a class of electrical devices that convert power from one voltage level to another without the need for an intermediate AC voltage or frequency. The PT7756N device is a type of DC-DC converter with a regulated output voltage designed for various applications, including automotive, industrial, networking and communications, and consumer markets. The device is available in both flexible pin-out and single pin-out configurations, providing design engineers with easy to use and efficient solutions for their DC-DC conversion applications.

The PT7756N is a step-down DC-DC converter that regulates an output voltage of 5V from an input voltage of 6.5V to 18V DC. The device features wide-input voltage range, high efficiency, low quiescent current, and synchronization with an external clock. It has two output current levels – a 3.3A continuous mode and a peak mode up to 6A, making it suitable for a wide range of applications ranging from charging smart phones to powering TVs.

The PT7756N is a synchronous buck converter that operates at a fixed frequency and takes either an internal or external clock bus. The device includes a power-saving peak current mode (PCM) controller, active-shop compensation, electrostatic discharge (ESD) protection, and a selectable Power-good signal that can be used to detect the device’s operational status. It also offers soft-start, overload, thermal shutdown, and hiccup protection features for safe and reliable operation.

To ensure a high level of system robustness, the device also includes an Over-Voltage Protection (OVP) circuit that limits steady-state output voltage to 5.3V so that the connected load does not exceed its maximum ratings. Additionally, the device integrates a low dropout linear regulator that enables output voltage trimming and circuit protection.

The PT7756N includes on-chip current sensing circuitry to enable fast current-mode operation and reduce component counts. The device is capable of working in both peak current and continuous conduction mode for maximum design flexibility. The high efficiency and wide input voltage range make the device ideal for use in automotive, networking, and communications applications.

Overall, the PT7756N is an ideal solution for applications requiring a regulated output voltage from a wide range of input voltages. Its synchronous buck regulator, high efficiency, and robust design make it a superior choice for a variety of DC-DC conversion applications. With its intuitive and user-friendly pin-out configurations, design engineers can easily and effectively incorporate the device into their designs.

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