LT8610ABEMSE#PBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LT8610ABEMSE#PBF is a high-efficiency synchronous buck DC/DC converter that integrates switches in the 2.5mΩ and 6mΩ resistance range for maximum efficiency. The device is designed to deliver up to 24A at 2.5V to 8V with a switching frequency of 1MHz. With an input voltage range of 4.5V to 80V, the LT8610ABEMSE#PBF is suitable for industrial, automotive, and telecom applications.

The LT8610ABEMSE#PBF includes a wide range of features that make it ideal for applications with high-power demand. These include a low quiescent current, low profile and small size, and a high frequency of 1MHz that enables high power efficiency. In addition, the device supports pulse skipping at light loads, which reduces the noise and power consumption. The LT8610ABEMSE#PBF also features programmable soft-start, dynamic voltage scaling, and adjustable current limit, bi-directional on/off control, and adjustable shutdown current.

Application Field

The LT8610ABEMSE#PBF is designed for automotive, telecommunications, industrial and consumer applications that require a step-down power conversion solution in a low profile, small package. It is suitable for powering load-demanding engine control systems, fuel pumps, power steering, door locks, infotainment systems, displays, and other vehicle-specific applications.

For telecom applications, the LT8610ABEMSE#PBF is ideal for powering base station amplifiers, low noise amplifiers, power line carriers, power supplies, and data modems. For industrial applications it is suitable for LED drivers, switch mode power supplies, motion controllers and other power-management applications.

Working Principle

The LT8610ABEMSE#PBF is a synchronous buck DC/DC converter that uses two large-current MOSFETs in series to step down the input voltage to a desired output voltage. The large-current MOSFETs can handle high-currents at switching frequencies up to 1MHz, allowing for high-power efficiency and very low noise operation.

The LT8610ABEMSE#PBF uses a voltage mode, peak current-mode control (PCMC) to regulate the output voltage. The PCMC has an internal current-sensing circuitry that allows for fast transient responses and excellent loop stability. The PCMC also provides programmable soft-start, dynamic voltage scaling and adjustable current limit, allowing for flexible design options.

The LT8610ABEMSE#PBF also includes loop compensation, programmable over-temperature protection and adjustable shutdown current, providing robust, reliable operation. The wide operating range of 4.5V to 80V and low quiescent current make it ideal for automotive and telecom applications.

Conclusion

In conclusion, the LT8610ABEMSE#PBF is a high-efficiency synchronous buck DC/DC converter designed for automotive, telecommunications, industrial and consumer applications. It features two large-current MOSFETs in series to step down the input voltage and a voltage mode, peak current-mode control to regulate the output voltage. The LT8610ABEMSE#PBF also provides features such as programmable soft-start, dynamic voltage scaling, adjustable current limit, loop compensation, and adjustable shutdown current, making it an ideal device for applications with high-power demand.

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