LT3782AEFE#PBF

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DC-DC Switching Controllers are power management integrated circuits that are heavily involved in the design of power-supplying circuits. Within the last few years, their adoption has increased drastically with the growth of connected devices and the subsequent surge in demand for highly efficient low-power supply solutions.

The LT3782AEFE#PBF is a high-efficiency, low-noise DC-DC switching controller with a wide input voltage range. It can provide up to 1.8A of output current and is specially designed to reduce external component count and enable fast setup times. It includes a low dropout voltage regulator that runs at up to 1MHz while providing adjustable output voltage and current-sense limit protection.

The LT3782AEFE#PBF is widely used in a variety of applications including power supplies for laptop, desktop, and low-power embedded systems; industrial, medical, and communications equipment; and a variety of DC-DC converters and adapter applications.

The LT3782AEFE#PBF features on-time control (OTC) current-mode P WM architecture that is highly efficient across the input voltage range without the need for any external components. The OTC architecture provides greater accuracy and noise immunity than traditional peak current-mode PWM controllers, allowing faster response times and immproved system stability.

In addition, the LT3782AEFE#PBF includes an adjustable Power Good Output (PGO) pin that can be used as an indicator of output voltage to the system microcontroller. The PGO pin is programmable with a hysteresis threshold level and plenty of flexibility in setting an offset and rise/fall times.

Since the LT3782AEFE#PBF is specifically designed to reduce component count and enable fast setup times, it includes several integrated features that drastically reduce design complexity. These include programmable soft-start/stop controls, hysteresis and phase-lock loop (PLL) current-mode control, peak current limit, an adjustable operating frequency, and a polarity revserse protection diode.

The LT3782AEFE#PBF also features a programmable input under-voltage protection (UVLO) circuit that allows the device to react quickly to an under-voltage inputs. This safeguards against over-loads, shorts, and other voltage related faults which could damage the controller or system.

The LT3782AEFE#PBF can handle a wide range of input voltages, from 3.2V to 40V, and output currents up to 1.8A It includes thermal shutdown and overtemperature protection to further ensure reliable operation when used in high-power applications. Furthermore, it is capable of operating at temperatures of up to +125℃.

User programmability also increases the flexibility of the LT3782AEFE#PBF, as it can be adapted to fit a variety of application scenarios according to the user’s requirements. All these features and options make the LT3782AEFE#PBF one of the most reliable and efficient DC-DC switching controllers on the market today.

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