LTC3864MPDE#TRPBF

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The LTC3864MPDE#TRPBF is a low-voltage DC/DC switching controller with a wide operating range. It is a monolithic, high-performance synchronous buck controller with minimal external components. This part features an integrated voltage regulator, modulator and gate drive, as well as a highly-tunable frequency range to enable easy optimization of regulator performance. The device can be programmed digitally to turn on or off and regulate the output voltage. It also features output voltage monitoring and over-voltage protection, and an adjustable soft-start.

The LTC3864MPDE is a highly integrated device that provides excellent performance in a small footprint. It is suitable for applications where a wide input voltage range and high output current are needed. It is ideal for industrial, communications, automotive, and consumer applications. The device is capable of regulating a wide range of output voltages, using only a single external inductor, with switching frequencies up to 3MHz.

The LTC3864MPDE has a flexible operating range and supports both positive and negative inputs. It can be used in applications that require a fixed-frequency Constant-on-time (COT) control, or for applications that require a switched-frequency control. The device can be programmed to operate in either a constant frequency or constant-on-time mode. The COT mode allows for improved load response, reduced output voltage ripple, and more efficient system operation.

The LTC3864MPDE has an adjustable soft-start feature which can be used to minimize output current surges during start-up. It also has an input voltage limit circuit, output voltage monitor, and over-voltage protection to protect the device from damage caused by overloads or input shorts. The device has an internal voltage divider to measure the output voltage.

The LTC3864MPDE is manufactured using ViaSat’s proprietary DirectFET process, which provides superior efficiency and thermal performance over conventional MOSFETs. The device is designed to withstand high temperatures and is rated for operation up to 125°C.

In summary, the LTC3864MPDE is an efficient and flexible DC/DC switching controller suitable for a wide variety of applications in industrial, communications, automotive, and consumer markets. It has a wide input voltage range, a highly-tunable frequency range, integrated modulation and gate drive, a voltage regulator, and adjustable soft-start. It also has monitors for output voltage, over-voltage protection, and input voltage limit protection. The device is rated for operation up to 125°C and is manufactured using ViaSat’s DirectFET process for improved efficiency and thermal performance.

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