LT3667EUDD#PBF

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The LT3667EUDD#PBF is a versatile, integrated linear regulator and switch-mode regulator, which can be used in a variety of applications. This low power regulator and switch-mode converter provides a wide range of features to enable efficient and reliable operation in many applications.

Application Field

The LT3667EUDD#PBF is a low power linear and switching regulator designed for a variety of applications, such as automotive, consumer, industrial, and medical. It is used in portable applications such as battery-powered devices, LED displays, and portable medical devices. When used in automotive applications, it helps reduce the complexity of extra power stages for various voltage requirements and maintains small output errors. With its low quiescent current and high efficiency, the device can be used in consumer applications such as mobile phones, digital photo frames, and camcorders. Another application field of this device is the industrial sector, such as home automation, industrial control, and automotive systems. This device can be also used in medical applications, such as infusion pumps, handheld medical devices, and medical monitors.

Working Principle

The LT3667EUDD#PBF has two channels: a linear regulator channel and a switching regulator channel. It consists of a P-channel power MOSFET, an N-channel synchronous MOSFET, and an integrated controller with many features to regulate voltage. The linear regulator channel is capable of both step-down and step-up conversions and provides a low quiescent current (50uA) and high efficiency (up to 95%). It has high PSRR and low output noise, which make it suitable for powering low noise circuits. It can also be used for powering low voltage iCs.

The switching regulator channel provides a wide input voltage range (1.5V to 5.5V) and operates at a frequency up to 1.2MHz. It has a wide range of operating modes, such as pulse frequency modulation (PFM) and pulse width modulation (PWM). The switching regulator channel provides high efficiency (up to 95%) and is capable of driving up to a 6A load. In addition, protection features such as over-current protection, over-temperature protection, and under-voltage lockout are provided for extra safety and reliability.

The LT3667EUDD#PBF is a low power linear and switching regulator designed for a variety of applications. It is used in portable applications such as battery-powered devices, LED displays, and portable medical devices. It provides low quiescent current and high efficiency, has wide input voltage range, and is capable of driving up to a 6A load. With protection features such as over-current protection, over-temperature protection, and under-voltage lockout, the device can provide efficient and reliable operation in a variety of applications.

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