LT3840MPFE#PBF

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The LT3840MPFE#PBF is a Monolithic Synchronous Buck Controller that simplifies the design of complex high current voltage regulation systems. This Monolithic Synchronous Buck Controller is specifically designed with voltage regulation, converter design, and system optimization in mind. Featuring a large 10A switch current, low 1.2mΩ on resistance, fast transient response and high power conversion efficiency, the LT3840MPFE#PBF is ideal for many different kinds of applications.The LT3840MPFE#PBF has many important features which makes it very useful in the voltage regulation field. It offers adjustable output voltage over a range from 0.5 to 10V with an accuracy of +1% and a slew rate of 500mV/μs. It also includes protection circuitry for overcurrent and overvoltage which considerably reduce the complexity of the design process. This Monolithic Synchronous Buck Controller also includes a programmable soft-start current limit or overvoltage protection during power-up and can operate in both forced PWM and Pulse-Skip modes.The LT3840MPFE#PBF is ideal for applications that require a fast, accurate, flexible and cost effective voltage controller. Examples of some of the applications in which this controller can be used are DC to DC converters, contactless interconnects, data loggers, mains power supplies, telecommunication power supplies and instrumentation systems.This Monolithic Synchronous Buck Controller operates with two basic working principles. Its main principle is a voltage mode system control, which enables it to efficiently control the output voltage regulation by minimizing the output ripple voltage. This ensures that a proper supply voltage is always provided to the system. Additionally, the LT3840MPFE#PBF also employs a synchronous current mode drive technique which is used for an improved line and load transient response. With this technique, a minimum amount of overshoot and ringing on the output voltage is observed. The LT3840MPFE#PBF also offers eases in programming, as it comprises of two pins with which the output voltage or the current limit set points can be programmed. A low dropout regulator is also included in order to provide better than 1% accuracy. The output voltage control loop includes an error amplifier, a logic control and a switching oscillator for improved transient response. These features contribute to the safety, reliability and optimization of many electronic and power systems. All these features make the LT3840MPFE#PBF a great choice for DC-DC switching controllers. The LT3840MPFE#PBF is a monolithic, high efficiency, high current device that is both cost effective and reliable. With its large current handling capabilities and innovative voltage regulation system, the LT3840MPFE#PBF has quickly become one of the most popular and widely used monolithic buck controllers on the market today.

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