LTC1517CS5-5#TRPBF

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The LTC1517CS5-5#TRPBF is an integrated, ultra-fast transient response, low voltage, synchronous step-down switching regulator that combines variable frequency control with an internal MOSFET switch to supply up to 500mA of output current. It is part of the PMIC - Voltage Regulators - DC DC Switching Regulators product family.The LTC1517CS5-5#TRPBF operates from a 4.75V to 18V input supply that enables high flexibility for various industrial, automotive and communication applications. This voltage regulator is capable of reducing the input voltage to a lower level, providing the system with regulated output at a specified voltage. The output voltage can be regulated from 0.8V to 12V, making the LTC1517CS5-5#TRPBF suitable for many different applications such as point of load converters, FPGA power solutions, high speed ADC/DAC power, ASIC power solutions, data communications and automotive applications.

The LTC1517CS5-5#TRPBF is designed to provide a significant improvement in transient response, making it an ideal solution for high switching frequency applications. The switching frequency is internal to the chip, it automatically adjusts to the conditions at the output, thus optimizing efficiency but not sacrificing performance. The device is able to respond quickly to load transients, such as hot-plugging, while maintaining a stable output voltage. It is equipped with an adaptive slope compensation and fast load current sensing that are designed to significantly improve transient response and reduce output voltage overshoot and ringing. This device also exhibits a low output current range, which adds an extra layer of safety to the design.

The LTC1517CS5-5#TRPBF includes an integrated power switch, an internal supply FET, an active current density controller and an integrated frequency modulator for enhanced performance. It also includes thermal shut-down protection and over-current protection features that help to protect the system against fault conditions. The LTC1517CS5-5#TRPBF also features short-circuit protection, which is designed to detect short-circuits on the output and will shut down if one is detected. It also features soft-start current limiting and a low dropout reference with an automatic warm-up, which can help the device recover from low voltage situations without triggering the shut-down feature. The LTC1517CS5-5#TRPBF also has programmable frequency limits that can be adjusted for optimized performance.

The LTC1517CS5-5#TRPBF is suitable for applications that require a minimal external component count, high efficiency and fast transient response. It is also suitable for maximizing power density with step-down converters that can provide up to 500mA of output current from a 4.75V to 18V input supply. It is the ideal choice for low voltage, ultra-fast transient response, point of load and wide input voltage range applications such as ultra-fast switching converters and communications systems.

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