LTC3890HUH#PBF

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The LTC3890HUH#PBF is an integrated power management circuit designed for steady current regulators, and it can be used in various DC-DC switching regulator applications. This integrated circuit (IC) provides maximum flexibility for power supply design, and can be used to control current, voltage, or frequency in a variety of modes such as step-down (buck), step-up (boost), and buck-boost. The LTC3890HUH#PBF offers excellent light load efficiency, fast transient response, and simple compensation design while supporting Hot Plug-in, an advanced feature that simplifies circuit board layout.

In applications where the system load is light and fast transient response is required, the LTC3890HUH#PBF offers an efficient and cost-effective solution. The LTC3890HUH#PBF includes a voltage reference, an ideal diode controller, an internal soft-start circuit, current limit protection, an overvoltage protector and a PreDriver circuit to optimize the drive performance of external power MOSFETs. The PreDriver circuit follows the output voltage, and its simple design prevents external components from overloading during heavy load transients.

The LTC3890HUH#PBF provides an analog control interface for voltage regulation, with the user range extending from 4.75V to 30V in increments of 500 mV. An external PWM signal or logic signals can also be used to vary the output voltage. The LTC3890HUH#PBF operates over a wide input voltage range of 7V to 32V and is capable of operating at high efficiency at output currents up to 20A.

The LTC3890HUH#PBF is designed to be used as a main power supply for a variety of on-board systems, including processors, memories, logic ICs, peripherals, and many other types of digital and analog devices. The integrated circuit is also well-suited for applications requiring varying degrees of power regulation, such as notebook computers and smart phones.

The LTC3890HUH#PBF is battery-powered and suitable for portable equipment, since it can be operated from 3.3V up to 28V. The LTC3890HUH#PBF is also well-suited for both single-ended and low EMI operation and can meet Class A or B EMI standards. The IC also supports pre-charging and soft start capability, which can be used to reduce inrush currents during startup. In addition, the IC has self-protection features, such as overton control, thermal shutdown and soft start fault handling, to ensure safe operation.

The LTC3890HUH#PBF is a highly efficient and cost-effective power supply solution for a variety of applications, including computer networking and communication equipment, medical equipment, industrial machines, and many other types of digital and analog devices. With its flexible design and multiple operating modes, the LTC3890HUH#PBF is an excellent choice for a reliable, high-performance solution.

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