KPT46704-332

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The KPT46704-332 is a high efficiency, low standby power linear regulator from Linear Technology Corporation. It is specifically designed for controlling distributed power architectures where high power dissipation and low quiescent current are necessary. It operates from an input voltage range of 4 to 50V and delivers a maximum output current of ±3.3A and an adjustable output voltage range of 2.5V to 32V. The KPT46704-332 is ideal for low to medium power systems in telecommunication, computing, industrial, and automotive applications.

The KPT46704-332 utilizes a three-wave switching topology which is dynamically optimized to minimize linear regulating losses. It also contains an adjustable switching frequency which can be set from 650KHz to 1.2MHz to avoid EMI, as well as an advanced Resonant Mode for increased efficiency. The KPT46704-332 provides output voltage accuracy of ±2.5%, and can operate at efficiencies up to 95%.

The KPT46704-332 features a wide variety of protection functionalities to ensure reliable operation. It can detect over temperature, over voltage, over current, short circuit, and under voltage conditions. The device also provides a current limiting capability to prevent damage to downstream components. This protection is provided in the form of output short circuit or over current trips, and an output fault comparator that trips an output enable signal. The KPT46704-332 also includes a soft start function to minimise inrush currents.

In addition to its high power delivery capabilities, the KPT46704-332 also offers a number of digital I/Os for communication and control. These include "On/Off" enable pins, two general purpose I/O pins, and an I2C interface that provides voltage and current monitoring. This allows for the device to be remotely monitored and controlled.

The KPT46704-332 has a wide range of applications in low-power and medium-powered systems such as telecommunication, computing, automotive, and industrial applications. The high efficiency and low standby power consumption of the KPT46704-332 is its key feature, allowing for reliable power management in demanding applications. The device also requires minimal support components, as it contains an internal voltage reference, built-in loop compensation, and an adjustable switching frequency. The adjustable voltage output and digital I/Os make the KPT46704-882 an ideal choice for applications requiring precision control and monitoring.

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