LT3688IUF#TRPBF

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The LT3688IUF#TRPBF is a high efficiency, X2 rated, DC/DC switching regulator featuring a guaranteed 2% output accuracy over wide operating conditions. Operating from an input voltage of 5.5V to 42V, the device can supply up to 30A continuous current to the output. The regulator is optimized to minimize output ripple and reduce switching noise.

The LT3688IUF#TRPBF is especially useful for applications such as mining cells, consumer electronics, telecom equipment and grid-tied systems. It has an operating temperature range of -40 to +125 °C and can provide a maximum efficiency of up to 96%.

The device includes several features to protect the circuit, such as built-in current and temperature monitoring, over- and under-voltage lockout, over-current protection, and over-temperature protection. It also contains a power good indicator, which is useful for signaling the occurrence of a fault condition, and a soft-start options for low inrush current when the regulator is turned on.

The LT3688IUF#TRPBF incorporates both a soft-start circuit for preprogramming the initial output, allowing direct control of the peak inductor current. The switching frequency is adjustable from 250kHz, 500kHz and 1MHz, allowing for optimization of switching losses and output noise. The device has two selectable operating modes, critical conduction mode (CRM) and pulse-width modulation (PWM), further enhancing its versatility.

The LT3688IUF#TRPBF utilizes a synchronous buck architecture with valley current detection to provide a high level of efficiency. The synchronous buck topology provides power levels up to 60A while keeping Pmos conduction losses low. The addition of a valley current detection algorithm reduces switching losses and the need for large external components. The wide operating temperature range of the device makes it suitable for a wide range of applications.

The LT3688IUF#TRPBF is ideal for applications that require a reliable and highly efficient switching regulator. The device features a wide operating temperature range, adjustable switching frequency and two selectable operating modes, allowing for optimum optimization of power and efficiency in a wide range of application scenarios.

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