LTC4312IMS#PBF

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The LTC4312IMS#PBF is an interface designed for signal buffers, repeaters, splitters and other related tasks. It combines low-voltage differential-signal (LVDS) and logic-level thresholding techniques with power FET switches, making it an ideal choice for interfacing applications such as PC/104 and PC/104-Plus. This article provides an overview of the application fields and working principle of the LTC4312IMS#PBF.

Application Fields

The LTC4312IMS#PBF can be applied in a wide range of applications, including PC/104 and PC/104-Plus. It is capable of both deserializing and transmitting LVDS signals between one or more devices, as well as driving FET switches to switch power on or off, thus allowing multiple devices to be selectively powered and their LVDS signals exchanged. Additionally, the LTC4312IMS#PBF can be used in applications where logic-level signals are required to be transmitted between multiple devices without the need for any external components. The LTC4312IMS#PBF is also suitable for smart system implementations, including for example battery operated terminal equipment or embedded systems, as it supports multiple power saving features like power down and sleep modes.

Features and Specifications

The LTC4312IMS#PBF is available in a 6-pin, MSOP package. It has a supply voltage range of 3.0 V to 5.5 V, making it suitable for applications powered with a single 5 V or 3.3 V supply. The LTC4312IMS#PBF features both LVDS and logic-level thresholding for signal transmission and switching, meaning that logic-level signals can be transmitted directly without the need for any additional components. The LTC4312IMS#PBF also supports multiple power saving options, such as power down and sleep modes, allowing it to be used in embedded systems and other battery operated devices. Additionally, the LTC4312IMS#PBF is capable of directly driving FET switches up to 40 V, making it suitable for powering multiple devices.

Working Principle

The LTC4312IMS#PBF uses two LVDS receivers and a logic-level thresholding circuit to communicate with other devices. The receivers are connected to the logic-level thresholding circuit, which is used to detect logic levels and transmit the signals between devices. Additionally, the LTC4312IMS#PBF is configured as an active low-side FET switch, allowing it to switch power on or off and control the flow of power to multiple devices. The LTC4312IMS#PBF also features an internal sequencer, which allows it to perform a series of power management operations, such as power down, sleep, and wake-up. The device also supports power sequencing, allowing the user to program the switch to power on or off any number of devices in a particular order.

Conclusion

The LTC4312IMS#PBF is an integrated solution for signal buffers, repeaters, splitters and other related tasks which combines LVDS and logic-level thresholding techniques with power FET switches. It is suitable for applications such as PC/104 and PC/104-Plus, and is capable of driving FET switches up to 40 V to switch power on or off. The LTC4312IMS#PBF also supports power saving features such as power down, sleep and wake-up modes, making it suitable for battery-operated devices. Finally, the device features an internal sequencer, allowing it to perform power management operations in a predetermined order.

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