MIC4574-3.3BN

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The MIC4574-3.3BN is a part of DC DC Switching Regulators Product Family which is a type of voltage regulator found in Power Management Integrated Circuits (PMIC) devices. This variable regulator, also known as a step-down regulator, is used to provide power supply from an unregulated direct current (DC) voltage source and is capable of providing an adjustable output voltage to a load. It is logic voltage compatible, meaning it can start from an input voltage range between 1.71V and 6V and the output can be adjusted to any voltage between 0.5V and the input voltage. The main function of the MIC4574-3.3BN is to provide electric power filtering so that the regulated output voltage remains smooth and constant even when the input voltage fluctuates. This voltage regulator provides improved transient response and low quiescent current, translating to a lower heat output than traditional regulators. It is a dual channel device with up to 1.2A output and can operate at switching frequencies up to 1.2MHz. It is ideal for applications requiring frequent load transients with an extremely low standby current, such as FPR redundancy, camera shutters, light meters, and voltage sensors.The MIC4574-3.3BN includes an internal synchronous rectifier and a low-side P-channel MOSFET switch and draws its input power from an external DC source. It steps down the DC input voltage to the desired level, allowing the device to support higher power levels at a lower cost than comparable regulator devices. The MIC4574-3.3BN features input voltage ranges up to 6V and output voltage capability of up to 5V (with an external resistor divider). The switching frequency can be adjusted by adding an external resistor or trimming capacitor.The MIC4574-3.3BN is a fully integrated, single-output switching voltage regulator ideal for compact, space-constrained systems. The highly efficient design produces 1.2A of output current with at least 85% efficiency over a 1.71V to 6V input voltage range. The device also delivers excellent load and line regulation from light loads to full-load conditions.The MIC4574-3.3BN\'s efficiency and power density are superior to comparable regulator devices. The device also includes thermal protection, reverse operation protection and current limit protection, making it well-suited for numerous applications. The MIC4574-3.3BN is also simple to use, with just three connections required for operation. The MIC4574-3.3BN is an ideal choice for applications needing high performance and small size. Its small form factor makes it well-suited for a range of small, portable applications, and the integrated synchronous rectifier and low-side P-channel MOSFET switch make it suitable for a wide range of power management applications. With its high efficiency, high power density, and superior transient response, the MIC4574-3.3BN is an ideal choice for any power-constrained applications.

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