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MIC2182 - High-Efficiency Synchronous Buck Controller

General Description

Micrel’s MIC2182 is a synchronous buck (step-down) switching regulator controller.

An all N-channel synchronous architecture and powerful output drivers allow up to a 20A output current capabilty.

Key Features

  • a shutdown mode that reduces quiescent current to 0.1µA. The MIC2182 achieves high efficiency over a wide output current range by automatically switching between PWM and skip mode. Skip-mode operation enables the converter to maintain high efficiency at light loads by turning off circuitry pertaining to PWM operation, reducing the no-load supply current fro.

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Datasheet Details

Part number MIC2182
Manufacturer Micrel Semiconductor
File Size 219.41 KB
Description High-Efficiency Synchronous Buck Controller
Datasheet download datasheet MIC2182 Datasheet

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MIC2182 Micrel MIC2182 High-Efficiency Synchronous Buck Controller General Description Micrel’s MIC2182 is a synchronous buck (step-down) switching regulator controller. An all N-channel synchronous architecture and powerful output drivers allow up to a 20A output current capabilty. The PWM and skip-mode control scheme allows efficiency to exceed 95% over a wide range of load current, making it ideal for battery powered applications, as well as high current distributed power supplies. The MIC2182 operates from a 4.5V to 32V input and can operate with a maximum duty cycle of 86% for use in lowdropout conditions. It also features a shutdown mode that reduces quiescent current to 0.1µA.