LT3757AEDD#PBF

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The LT3757AEDD#PBF is a high frequency, dual output, switching regulator controller which can operate from an input voltage range of 2.8V to 60V and is ideal for applications such as portable medical devices, automotive and industrial applications where high efficiency, fast transient response and high current capability is required. This device is capable of operating as either a step-down or step-up/down regulator and can deliver up to 2.5A output current.

The LT3757AEDD#PBF is a very versatile switching regulator controller and can be used in a variety of applications including:

• Voltage Boost/Inverting: The LT3757AEDD#PBF can be used to convert a low input voltage up to a higher output voltage. The LT3757AEDD#PBF works by using an onboard PWM controller to generate the required switching signals to drive an external FET switch to step up or down the input voltage. The device can also be used to convert the output voltage from a high voltage to a lower voltage thanks to its onboard inversion control logic.
• High Voltage Step-Down: The LT3757AEDD#PBF can also be used to step down a high input voltage (up to 60V) to a lower output voltage. The device uses an integrated PWM controller to generate the required switching signals to drive the external FET switch. The device’s feedback pin can be used to accurately regulate the output voltage.
• Step-Up/Down: The LT3757AEDD#PBF can be used to convert a low to medium input voltage to a higher output voltage, as well as reduce a high input voltage to a lower output voltage. The device can be used in either step-up or step-down configurations depending on the application requirements.
• Power Muxing/Load Sharing: The LT3757AEDD#PBF can also be used in power muxing and load sharing applications. This feature allows the output voltage from one device to be used to control the output voltage from another device. This means that the output voltages from multiple devices can be synchronized using an external resistor.

The LT3757AEDD#PBF switching regulator controller also provides a thermal shutdown, adjustable current limit and an adjustable soft-start circuit for improved system performance. In addition, the device has an extended frequency range of up to 1MHz and low regulation ripple, enabling it to produce a clean, low noise power supply.

The LT3757AEDD#PBF switching regulator controller features a variety of features making it suitable for a wide range of applications. The device can be used as a high voltage step-down regulator, voltage boost/inverting regulator, step-up/down regulator and for power muxing/load sharing applications. The device also offers excellent noise suppression and fast transient response for efficient and reliable operation. Additionally, the device provides thermal protection and an adjustable current limit for safety and improved system performance.

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