LT1777CS#TRPBF

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The LT1777CS#TRPBF is a DC DC switching regulator that can operate in the poorest of temperature and noise environments. It is characterized by an input voltage range of 3.0V to 18V, an output voltage range of 2.5V to 5V, and a power-dissipation of 2A. The device also features an on-boards chip-enable (CE) signal and a Shutdown signal, allowing for easy configuration.

This device works using a buck topology, where it acts as a two-stage regulator. In the first stage, a synchronous step-down converter is used to convert the input voltage to a regulated intermediate voltage. This intermediate voltage is then passed to the second stage, which is a synchronous step-up converter that takes the intermediate voltage and steps it up to the desired output voltage. The LT1777CS#TRPBF combines these two stages into a single package and requires only a single inductor.

The LT1777CS#TRPBF is ideal for power management applications that require high-precision output voltage regulation, low noise operation, or thermal protection. It is also suitable for battery-powered applications such as personal digital assistants (PDAs), cellular phones, and laptop computers. The device can also be used in applications such as secondary power conditioning, as it offers wide input and output voltage ranges, high efficiency, and a low quiescent current drain.

The LT1777CS#TRPBF is built using a high-performance 50V CMOS process, which enables the device to provide fast transient response and low supply voltage ripple when operating at load currents of up to 2A. The device is also capable of providing constant-frequency, fixed-frequency, or pulse-width modulation (PWM) operation, which ensures high efficiency and excellent line and load regulation.

In addition, the LT1777CS#TRPBF also offers advanced protection features. It features a built-in over-current protection, over-temperature protection, and under-voltage lockout, allowing protection against short-circuits, over-currents, and excessive temperatures. The LT1777CS#TRPBF also features an internally-programmable foldback current limit, which allows for improved system robustness.

Overall, the LT1777CS#TRPBF is an ideal solution for high-performance DC DC switching regulator applications. It offers a wide input and output voltage range, high efficiency, low noise operation, thermal protection, advanced protection features, and an on-board chip-enable (CE) signal. These features make it suitable for a wide range of power management applications.

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