LTC3807IFE#TRPBF

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The LTC3807IFE#TRPBF is an advanced, universal input, synchronous step-down DC/DC switch controller that is capable of regulating input voltage from 9V to 52V and can handle output currents up to 8A. This ultra-low power, high-efficiency device is ideal for applications such as automotive, communications, computer and consumer electronics, audio, and medical power supplies, as well as other various power conversion applications. This device is a feature-rich solution that delivers excellent performance, high reliability and small form factor.

The LTC3807IFE#TRPBF provides advanced and flexible functions through its on-chip circuitry and integrated PWM/PFM controllers. It automates virtually all aspects of the power-supply design, resulting in significant reduction of overall design effort and cost. The converter starts up in burst mode to reduce power consumption during start-up, and then automatically transitions to the Pulse Frequency Modulation (PFM) or Pulse Width Modulation (PWM) mode to achieve the highest efficiency, allowing applications to use less power and reduce thermal design points.

The device includes various protection features such as Adaptive Over Current Protection (OCP) for improved thermal derating, Under Voltage Lockout (UVLO), Adjustable Over Temperature Protection (OTP), over voltage protection (OVP), and integrated soft-start for fast and reliable power supply start-up. It also integrates a wide range of control functions, such as an enable input, programmable bandgap voltage reference, voltage monitoring comparator, peak current indication and clock supply. All these features enable the designer to create an efficient and cost-effective power solution.

The LTC3807IFE#TRPBF is configured using a few external components, making its installation and configuration easy. Its integrated SwitchMode controller supports a wide range of output voltages, up to 3.2V and may be easily adjusted with just two external resistors. It supports two different output voltage ramp profiles which can be adjusted using either external resistors or the integrated temperature sensor. The device can also be set to provide higher efficiency by dynamically preventing the switch from saturating during the load transient. This feature reduces the clock frequency and supply voltage while keeping the output voltage constant.

The LTC3807IFE#TRPBF is an advanced, cost-effective voltage regulator solution for a variety of applications. It supports high efficiency and fast transient response, making it an ideal choice for systems that require high performance, low power consumption and high reliability. The LTC3807IFE#TRPBF is available in a small 8-pin SOIC package, making it suitable for space-limited applications.

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