LT8610EMSE#TRPBF Integrated Circuits (ICs)

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LT8610EMSE#TRPBF Application Field and Working Principle

The LT8610EMSE#TRPBF is a DC/DC step-down regulator from the family of DC/DC switching regulators from Linear Technology. It is suitable for low power applications like mobile phones, portable electronics, and personal media players. The LT8610EMSE#TRPBF reduces the voltage supply to a suitable level and converts a higher input voltage to a lower output voltage. It is designed to meet power saving demands.

Features and Benefits

The LT8610EMSE#TRPBF offers a wide input voltage range of 2.6V to 7V, an adjustable output voltage range of 0.8V to 5V, and maximum output current up to 1.6A. It operates with a switching frequency of 2MHz. This switching frequency can be synchronized to an external clock. It incorporates power limiting, short-circuit protection, and frequency foldback features. It also includes a high frequency switch-mode buck converter.

The LT8610EMSE#TRPBF provides high efficiency and excellent thermal performance. Its internal MOSFET handles a maximum load current up to 3A. This device has very fast transient response and is also capable of providing high frequency operation. Its very low operational power is also an advantage as it reduces power loss in the product. It is also capable of providing extremely low capacitance for noise filtering.

Application Field

LT8610EMSE#TRPBF is widely used in portable electronics and other applications in which efficient power management is necessary. It is commonly employed in notebook PCs, GPS receivers, portable medical equipment, and so on. This device is also used in automotive and industrial applications like automotive infotainment systems, programmable logic controllers (PLCs), and remote keyless entry systems. Additionally, its low power and fast transient response also make it suitable for battery-powered applications.

Working Principle

LT8610EMSE#TRPBF adopts a boost topology for its DC-to-DC conversion activity. It uses a high-frequency switch mode to step down the input voltage to an adjustable output voltage. This is enabled by an oscillator that transforms energy from the input voltage to an output voltage through an inductor and a power switch. When the power switch is on, it stores the energy in the inductor and then releases it to the output of the IC. When the switch is off, the inductor releases the stored energy to the output. This allows the output voltage to remain stable while the input voltage fluctuates.

The LT8610EMSE#TRPBF implements a PWM ( Pulse Width Modulation) control for its switching activity. PWM provides excellent control accuracy and reduces ripple voltage and noise at the output. It also reduces the power dissipated in the inductor by providing a low duty cycle for the power switch when the load is light. Furthermore, the use of low-frequency ripple filters produces pure, stable voltages at the output and improves the overall EMI performance.

Conclusion

The LT8610EMSE#TRPBF is one of the popular voltage regulators from the family of DC/DC switching regulators of Linear Technology. It is characterized by its wide input voltage range, adjustable output voltage range, high frequency switch-mode buck converter, and its ability to handle a maximum load current up to 3A. Its fast transient response and low operational power makes it suitable for a variety of applications in the medical, automotive, and industrial segments. The LT8610EMSE#TRPBF implements a PWM control and low-frequency ripple filters to provide a stable output voltage and low EMI performance.

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