SP7661ER-L/TR

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The SP7661ER-L/TR is a chip-type DC/DC Buck switching regulator from the PMIC (Power Management IC) family of voltage regulators, whose primary application is in the powering of integrated circuits. It is designed to convert input voltages of 3.3 V or 5 V down to a more precise 1.8 V or 3.3 V output, with high precision and low noise. The product is widely used in a variety of applications, such as notebook computers, digital cameras, flat panel displays, and other portable electronic devices.

The SP7661ER-L/TR switching regulator is a DC/DC buck converter circuit series that can convert input voltages of 3.3 V or 5 V down to a precise 1.8 V or 3.3 V output voltage. By using a synchronous rectification MOSFET, the low voltage drops of 0.3 V from the switch when operating at 1.8 V or 3.3 V output can make the power supply much more efficient, as well as reduce heat dissipation. The integrated soft-start feature further reduces inrush current, as well as improving the reliability of the power supplies system.

This buck regulator is built on a highly integrated, ultra-low power and small-sized chip. It is designed to be used with a step-down DC/DC buck converter circuit, enabling the output voltage to be adjustable. The regulator also has an internal temperature compensation circuit, allowing the output voltage to be within a certain voltage range with precision. This helps protect the system and components from being damaged and improves product reliability.

The SP7661ER-L/TR buck regulator has several advantages, such as its small size, ultra-low power consumption, fast transient response time and high efficiency. The integrated power badge circuit can provide an indication of when the output voltage is out of the specified range, and then reduce the damage of the output voltage ripple to the load. The product is also equipped with over-current protection, enabling using the current limit resistor to protect the MOSFET switch.

In summary, the SP7661ER-L/TR is a chip-type DC/DC buck switching regulator from the PMIC (Power Management IC) family of voltage regulators, most often employed in powering integrated circuits. It has a wide input voltage range, low noise, fast response, high efficiency, and is integrated with precise temperature sensing with soft start startup, current limiting and overtemperature protection.

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