LM2576-12BU

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LM2576-12BU is a highly efficient and cost-effective switching regulator from Texas Instruments. It is designed for a wide range of applications from solar-powered systems to industrial motor controllers and automotive electronics. The LM2576-12BU offers the flexibility and high efficiency of a switch-mode power supply at a fraction of the cost of a linear series regulator. This makes it ideal for many markets and applications, including electronic gaming, data centers, power supplies, and 15V and 24V automotive electronics.

The LM2576-12BU is a non-synchronous step-down converter that uses a high frequency switching action to convert an input voltage into an adjustable output voltage. The switching action reduces the amount of power lost in the conversion and improves the overall efficiency of the power supply module. The output voltage can be set by a single resistor or, in the case of an adjustable version, an external voltage reference. The switching frequency can be adjusted by adding an external capacitor, allowing for optimal integration into any system design.

In addition to its impressive efficiency, the LM2576-12BU features a low ripple and low noise operation and offers a variety of protection features including output overvoltage, input undervoltage, and overcurrent protection. The device also comes in several versions that provide additional features such as power-good and remote-on/off. The IC also integrates a heat sink and thermal protection, eliminating the need for external cooling devices.

The LM2576-12BU is suitable for use in up to 5A current applications and is typically used in applications such as power supplies, motor control, battery charge circuits and automotive electronics. The device is offered in an 8-pin SOT-23 package, allowing for easy, low power surface mount integration. Additionally, all versions of the device offer a wide operating temperature range of -40°C to +85°C for reliable operation in most applications.

In summary, the LM2576-12BU switching regulator from Texas Instruments is an ideal and cost-effective solution for many applications. It offers excellent efficiency, low noise, and protection features, and is offered in a small 8-pin SOT-23 package. The device is versatile and is suitable for use in up to 5A applications, and its wide operating temperature range makes it suitable for a wide range of applications. For these reasons and more, the LM2576-12BU is an ideal choice for many applications.

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