The ML6554CUX from Fairchild/ON Semiconductor is an obsolete (EOL) integrated circuit (IC) that is a step-down buck converter with a synchronous rectifier. It has a maximum input voltage of 4V and a minimum input voltage of 2.3V, a frequency switching of 650kHz, two outputs, and an output current of 3A. It is mounted using SMD (SMT) and is available in reel - TR packaging with a 16-PSOP case / package.

The ML6554CUX is a versatile IC that can be used in a wide range of applications, including:

Point-of-load (POL) conversion Battery-powered devices Consumer electronics Industrial systems The ML6554CUX is a highly efficient IC that can achieve up to 95% efficiency at full load. It also has a number of features that make it easy to use, including:

Programmable switching frequency Adjustable output voltage Overcurrent protection Overvoltage protection Thermal shutdown The ML6554CUX is a compact and lightweight IC that is easy to design into existing circuits. It is also available in a lead-free package, which makes it ideal for environmentally friendly applications.

Here is a more detailed description of the ML6554CUX's features and benefits:

Programmable switching frequency: The ML6554CUX's switching frequency is programmable from 100kHz to 1MHz, which allows the designer to optimize the IC for different applications. For example, a lower switching frequency can be used to reduce EMI, while a higher switching frequency can be used to reduce the size of the output filter.

Adjustable output voltage: The ML6554CUX's output voltage is adjustable from 0.8V to 3.6V, which makes it suitable for a wide range of applications. The output voltage is set using a resistor divider network, which is easy to design and implement.

Overcurrent protection: The ML6554CUX has built-in overcurrent protection to prevent damage to the IC in the event of a short circuit or overload. The overcurrent protection circuit is adjustable, which allows the designer to set the threshold current to the desired level.

Overvoltage protection: The ML6554CUX has built-in overvoltage protection to prevent damage to the IC in the event of an overvoltage condition. The overvoltage protection circuit is adjustable, which allows the designer to set the threshold voltage to the desired level.

Thermal shutdown: The ML6554CUX has built-in thermal shutdown to prevent damage to the IC in the event of overheating. The thermal shutdown circuit is adjustable, which allows the designer to set the threshold temperature to the desired level.

Compact and lightweight: The ML6554CUX is a compact and lightweight IC that is easy to design into existing circuits. It is also available in a lead-free package, which makes it ideal for environmentally friendly applications.

Overall, the ML6554CUX is a versatile and easy-to-use buck converter IC that is suitable for a wide range of applications. It offers high efficiency, a number of features that make it easy to use, and a compact and lightweight design.

Here are some examples of applications where the ML6554CUX can be used:

Point-of-load (POL) conversion in consumer electronics devices, such as smartphones, tablets, and laptops Battery-powered devices, such as power tools and medical devices Industrial systems, such as motor control and automation systems Here are some of the benefits of using the ML6554CUX:

High efficiency: The ML6554CUX can achieve up to 95% efficiency at full load, which helps to extend the battery life of battery-powered devices and reduce the power consumption of AC-powered devices. Easy to use: The ML6554CUX has a number of features that make it easy to use, such as a programmable switching frequency and adjustable output voltage. Compact and lightweight: The ML6554CUX is a compact and lightweight IC that is easy to design into existing circuits. Lead-free package: The ML6554CUX is available in a lead-free package, which makes it ideal for environmentally friendly applications. If you are looking for a versatile, easy-to-use, and high-efficiency buck converter IC, the ML6554CUX is a good option to consider.