IR3837MTR1PBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

The IR3837MTR1PBF is an advanced current-mode DC/DC power module engineered to deliver superior performance at an industry-leading power density ratio. The module is constructed with an inductor, two MOSFETs, schottky diodes, and an integrated control IC, while also providing a wide range of protection functions, including thermal shutdown, output overvoltage, peak current protection, as well as soft start and over-current detection. The integrated control IC provides excellent regulation accuracy, lowering the external component count and enabling lower system cost.

Application Field

The IR3837MTR1PBF is suitable for a wide array of applications, such as notebook adapter, LCD display, air conditioner and other high-efficiency power supplies. It can also be used as a high-efficiency standby/charging/converter system for terminal equipment such as game consoles, digital cameras, and camcorders.

Working Principle

The IR3837MTR1PBF utilizes the feedback signal from the output voltage to adjust the output voltage by varying the duty cycle of the MOSFETs. The switching MOSFETs are driven by the current-mode control circuit and are capable of achieving high frequency operation without sacrificing output noise suppression or efficiency. The IC also features several protection functions that prevent output overvoltage and undervoltage, as well as overcurrent, overtemperature, and EMI/RFI interference.

Conclusion

The IR3837MTR1PBF is a highly efficient, integrated DC/DC power module that delivers superior performance at an industry-leading power density ratio. With its integrated control IC design, the module is capable of providing accurate control and regulation of the output voltage, while also providing a wide range of protection functions for increased safety and reliability.

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