LTC3808EDE#TRPBF

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Introduction

The LTC3808EDE#TRPBF is an integrated single-phase synchronous buck controller with low ripple and high efficiency. The device incorporates all of the features necessary to implement a synchronous buck converter and feature an AAC (light load efficiency) and DRAIN-GND independent soft start. The high current driver provides for excellent load transient response with minimal external components.

Application Field and Working Principle

The LTC3808EDE#TRPBF is designed for applications that require a wide input voltage range combined with high efficiency, fast transient response, and small system footprint. The device uniquely integrates high voltage buck controller, gate drivers, current limit, and all necessary compensation components. The device has a wide input voltage range of 4V-72V and can provide extremely efficient, quick, and accurate step-down regulation.

The LTC3808EDE#TRPBF is a synchronous buck controller, working on the basis of pulse width modulation (PWM). The modulator is an oscillator that produces a reference voltage or duty cycle, based on the voltage and current drawn from the load. The modulator is combined with two power switches, which are designed to control current flow from the power supply to the load. The modulator periodically turns the power switches on and off to regulate current and voltage via PWM. The LTC3808EDE#TRPBF includes a high current driver to ensure fast and accurate load transients.

Features

The LTC3808EDE#TRPBF has some excellent features that make it an ideal solution for a variety of applications. This includes its wide input voltage range of 4V-72V, which allows it to be used in applications that require a wide range of input voltages. The LTC3808EDE#TRPBF also includes a high current driver that allows for excellent load transient response, coupled with minimal external components. The device also features DRAIN-GND independent soft start and AAC (light load efficiency) for enhanced efficiency. In addition, the LTC3808EDE#TRPBF incorporates a comprehensive range of protection features, such as input overvoltage, output overvoltage and overcurrent protection, to provide reliable power delivery.

Conclusion

The LTC3808EDE#TRPBF is an excellent device for applications that require a wide input voltage range combined with high efficiency, fast transient response and small system footprint. The device combines all the features necessary to implement a synchronous buck converter, while its high current driver allows for excellent load transient response. With its wide input voltage range, additional protection features and comprehensive feature set, the LTC3808EDE#TRPBF is an excellent choice for DC-DC switching controller designs.

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