LT3753MPFE

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The LT3753MPFE is a high speed, low quiescent current, and low dropout voltage switching voltage regulator for the DC-DC converter. It is suitable for both step-up and step-down applications and is suitable for powering a wide range of loads and switching frequencies. The LT3753MPFE is part of the LT3753 family of products, which offer a complete solution for small form factor and high speed power conversion.

The LT3753MPFE is designed to offer maximum power and flexibility from a small package size. The device offers a high switching speed, an adjustable current limit and multiple frequency compensation options, making it an ideal choice for applications such as charging, driving, and powering microprocessors. The device is also suitable for a variety of external condition applications, as its wide temperature range allows it to operate in extreme temperatures ranging from -40°C to +85°C.

The LT3753MPFE has a wide input voltage range of 2.7V to 20V, with an adjustable output voltage range of 0.6V to 20V. The device can operate in both step-up and step-down regulator configurations and is designed to deliver a maximum output voltage of 20V and a maximum output current of 250mA.

The device features a high-efficiency synchronous rectified buck regulator topology and can deliver a high output power of up to 4W, with an input current limit of 4A, and an output current limit of 4A. It also features an enable pin for regulation power and a current limit pin for setting the output current limit. The device also offers an adjustable output voltage range from 0.6V to 20V and a wide switching frequency range of 400kHz to 4MHz.

The LT3753MPFE incorporates a high speed switching architecture that offers a low power loss in the form of reduced quiescent current and a low dropout voltage. It is designed to reduce output ripple and improve system efficiency by incorporating a high-frequency pulse width modulation (PWM) architecture with current mode control, which enhances efficiency and reduces switching losses.

The device operates in a cycle-by-cycle current limit in both step-up and step-down configurations and can switch an output voltage with a minimum duty cycle of 10%. The device has an adjustable switching frequency and an adjustable current limit, making it suitable for applications such as control, drive, and power conversion requirements.

The LT3753MPFE is available in two different packages: a 24-pin, 4mm x 4mm QFN package, and a 16-pin, 4mm x 4mm QFN package. It is RoHS compliant, has an ESD rating of 10KV, and is rated for a maximum junction temperature of 125°C. The LT3753MPFE is AEC-Q100 qualified for automotive applications.

The LT3753MPFE is a high-performance switching voltage regulator that is suitable for a variety of applications, including battery charging, driving, and powering microprocessors. With its adjustable current limit, wide input voltage range, wide temperature range, and low quiescent current, the LT3753MPFE is an ideal choice for DC-DC power conversion requirements in a variety of different applications.

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