LTC3899MPFE#PBF

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The LTC3899MPFEPBF is one of the newest member of Linear Technology’s family of DC/DC switching controller products. The LTC3899MPFEPBF operates from an input voltage range of 7V to 100V and provides a wide range of output voltages divided by the feedback divider string. This makes it an ideal device for a wide range of applications, such as industrial, communications, and automotive. In addition, the LTC3899MPFEPBF has a wide range of operating temperature ranges and integrated power supply sequencer, allowing it to be used in a variety of system configurations.

The LTC3899MPFEPBF is a step-down switching regulator, powered by a deep MOSFET topology which provides excellent efficiency and minimized EMI. There is an embedded PWM controller and tight tolerance voltage reference, allowing the device to easily be configured for many different applications. The embedded PWM controller and tight tolerance voltage reference allow the device to have output voltage ranges from 0-15V, 0-30V, 0-45V, 0-60V and 0-80V. A diversity of output current is also achievable with the LTC3899MPFE, with peak load currents up to 25A.

The device requires an external Schottky diode in order to regulate current. The LTC3899MPFEPBF includes a high bandwidth feedback loop with a current mode control, and uses synchronous rectification to prevent conducting frequencies from exceeding specified limits. Additional features of the LTC3899MPFEPBF include short circuit protection, over-temperature protection and an adjustable soft start.

The LTC3899MPFEPBF is a great solution for applications that require an efficient, low-noise and feature packed switching regulator that can be adapted to fit a variety of system requirements. The adjustable current limit and thermal protection allows the device to be easily integrated in systems that require high reliability, such as 3 phase motor drives, power supplies and automotive systems. The wide operating temperature range allows the device to be used in high-ambient temperature systems, and the shutdown feature, soft start, and remote sense inputs provide further flexibility when designing with the LTC3899MPFEPBF.

In conclusion, the LTC3899MPFEPBF is an excellent switching regulator to use in industrial applications that require a wide input voltage range, as well as in other systems that require efficient and reliable performance. The integrated features such as voltage regulation, protection, soft start, and remote sense inputs provide great flexibility in system design and make it an easy solution to use in a variety of applications.

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