LTC1470ES8#PBF

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The LTC1470ES8#PBF is a high-fidelity ground-referenced multiple output level shifter from Linear Technology (LT). This integrated circuit is a power management IC (PMIC) belonging to the family of power distribution switches, load drivers, and level shifters. This device operates with a single +5 V supply and is able to drive up to 8 output channels with a programmable output voltage level ranging from 0 V to +5 V. It allows voltage level shifting without the need of reference power or ground planes, which enhances the overall system performance.

The LTC1470ES8#PBF\'s most important feature is its ability to drive outputs up to +5 V. This makes it an ideal choice for many applications that require higher voltage levels while still maintaining low power consumption. This device also supports various input logic types, such as CMOS, TTL, and LVTTL. Furthermore, the output levels can be configured stably and accurately for precise switching control. The outputs can be set directly from the internal registers, with no external components necessary.

The LTC1470ES8#PBF is an ideal choice for applications that require multiple output level shifting, such as interface and power control. It can also be used in a variety of other applications where level shifting and voltage control are necessary, such as data acquisition, industrial control, instrumentation, point-of-sale systems, robotics, and security systems. This PMIC also offers a fault protection feature, which shuts down the outputs in the event of a short-circuit detection. Additionally, it offers optional overvoltage protection for shutting down the outputs if an overvoltage condition is detected.

The working principle of the LTC1470ES8#PBF is straightforward. It has two main components: an input circuit and an output circuit. The input circuit has two levels of input termination control signals, one for the logic control of the output drivers and another for the voltage level control. The logic control input is used to control whether the output is enabled or not. The voltage level control input enables the differential output voltage setting. The voltage level portion of the input is a simple voltage divider network providing a voltage adjustable tuning of the output voltage. The output circuit consists of two MOSFET power switches, with the sources of both FETs connected together to provide a common node to the load. The drain of one FET is connected to the output while the drain of the other is connected to ground. The FETs are controlled directly by the logic control input.

The LTC1470ES8#PBF has a wide range of features and benefits that make it an ideal choice for many applications. It can operate from a single +5 V power supply, so it is not limited to the traditional dual +3.3 V and +5 V supplies. It can drive up to 8 output channels with a programmable output voltage level from 0 V to +5 V. It also offers optional fault protection, an adjustable input tuning control, and supports various input logic levels. Overall, the LTC1470ES8#PBF is an excellent power management device for level shifting applications and power distribution switching, making it the ideal choice for many applications.

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