LTC3566EUF#PBF

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The LTC3566EUF#PBF is a monolithic synchronous step-down switching regulator specifically designed to deliver very low ripple, low noise, high efficiency power to highly demanding applications such as microprocessors and DRAM memories. It combines a synchronous P-channel and N-channel power MOSFET with a high brightness LED driver and controller in one package. It is preferred for applications that require safe operation under pre-defined conditions such as battery powered loads, PCs, notebooks, industrial control systems and other digital and microprocessor-based products. The LTC3566EUF#PBF is part of the PMIC (Power Management IC) family. It is classified under the specialized category of PMIC - Power Management - Specialized.

The LTC3566EUF#PBF is designed to meet the needs of systems that require low noise and high efficiency power delivery. It is designed to drive both LEDs and synchronous P-channel and N-channel switching MOSFETs. The constant-frequency control architecture provides optimized transient performance, while the dynamic-feedback-cell controls maximum output current while keeping noise and EMI low. The output voltage is externally adjustable from 0.6 V to 5 V.

The LTC3566EUF#PBF offers low quiescent current and a high power supply rejection ratio (PSRR). This device provides an excellent match for highly noisy and capacitive loads, such as DRAM memory, that require regulated power from limited sources with minimum noise and ripple. It is also suitable for battery operated loads, PCs, notebooks, industrial control systems, and other similar digital and microprocessor-based products. Its low ripple output makes it ideal for powering digital circuitry. Its low input voltage and wide input voltage range make it suitable for a variety of power sources. The LTC3566EUF#PBF can be used with a wide range of operating voltages and frequencies, enabling designs as a power adapter or battery-charging/power-supply regulator.

The LTC3566EUF#PBF\'s internal switching design reduces power dissipation, increases efficiency, and minimizes the number of external components, thus reducing system cost and board area. The use of an integrated high-side and low-side MOSFET and an internal bootstrap capacitor eliminates the need for an expensive external controller. The device employs a number of features that improve efficiency, reduce system cost and increase reliability including auto-skip, foldback and over-current protection.

The LTC3566EUF#PBF features high performance and integrated features making it suitable for high power conversion applications. The switching frequency can be adjusted automatically or manually from 250 kHz to 1.75 MHz. Other features include an integrated soft-start function and programmable frequency, an internal current source for improved light load efficiency and an internal linear regulator for improved low output voltage ripple.

The LTC3566EUF#PBF is designed to provide high current and efficiency in a compact package. It is capable of supplying up to 2.5 A of continuous output current at high efficiency. The device also features a low power-up/operate supply current of 0.30 mA, making it suitable for use in wide variety of applications. The device also integrates a power good output, which can be used to monitor the system voltage levels. The device is available in a small 4x4 QFN package.

In summary, the LTC3566EUF#PBF is an advanced monolithic synchronous step-down switching regulator specifically designed for use in demanding applications such as microprocessors and DRAM memories. It is a PMIC - Power Management - Specialized device. It features low ripple, low noise, high efficiency power delivery, an adjustable output voltage range of 0.6 V to 5 V, an adjustable switching frequency range of 250 kHz to 1.75 MHz, an integrated soft-start circuitry, and an integrated power good output.

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