LTC1705EGN#TRPBF

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The LTC1705EGN#TRPBF is a cost-effective power supply controller, monitor and supervisor for off-line and DC/DC converters. Important features of this device include a built-in direct VCC overvoltage protection (D-VOP), a fast small-signal response time, low-side MOSFET current sensing, and a power-on reset. Its advanced features make the LTC1705EGN#TRPBF an ideal choice for a wide variety of power management applications such as power supplies, motor drives, and battery-operated systems.

The LTC1705EGN#TRPBF is designed to reduce component count and cost while providing robust protection to the system. It is suitable for applications using UC3845/ UC3846/ UC3843A controllers and is powered by a DC input voltage. The device is available in various packages, including the SOT-23-5, SO-8, and MSOP-8 packages, making it easy to use in a variety of systems.

The LTC1705EGN#TRPBF is designed for applications ranging from 8 W to 40 W, and it has an integrated current sensing circuit. This feature can be used to deliver an accurate current limit to the power supply, and protect it from over-current events. The current limit value can be adjusted using an external sense resistor.

The LTC1705EGN#TRPBF also has a direct VCC overvoltage protection (D-VOP) circuit, which helps protect the device from damage due to excessive input voltages. The circuit has a maximum response time of 40 ns and is designed to operate with an input voltage of 36 to 72 Vdc. The D-VOP circuit is compared to a fixed threshold voltage internally and is triggered when the input voltage exceeds this threshold.

Other features of the LTC1705EGN#TRPBF include a power-on reset circuit that has a maximum start-up time of 10 ms and a PGOOD signal, which indicates the status of the power supply and helps prevent digital headers from resetting due to power outages. In addition, the device has an adjustable short-circuit protection time, which can be set from 1 ms to 10 ms.

The LTC1705EGN#TRPBF offers a high-performance solution for power-supply monitoring, supervision and control. It is suitable for a wide range of applications, including AC/DC adapters, LED drivers, consumer and industrial power supplies, DC/DC converters and many others. With its cost-effective, high-performance features, it is an ideal solution for many power management applications.

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