MIC2141BM5

Voltage Regulators - DC DC Switching Regulators Overview

The MIC2141BM5 is a micropower switching regulator IC manufactured by Micrel Inc., now part of Microchip Technology. It supports multiple topologies including boost, flyback, and SEPIC configurations. The device provides a positive adjustable output voltage with a minimum regulated level of 4.8V. It delivers an output current of 10mA and operates within a supply voltage range suitable for single-cell lithium-ion or multi-cell battery applications. The component is housed in a compact SC-74A (SOT-753) surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports versatile power conversion topologies including boost, flyback, and SEPIC configurations.
• Provides positive adjustable output voltage regulation starting from 4.8V.
• Designed for high efficiency in space-constrained portable electronics.
• Optimized for operation from single-cell lithium-ion or multi-cell nickel-metal-hydride batteries.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring negative rail generation via flyback topology
• Battery-powered systems utilizing single-cell lithium-ion power sources
• Applications requiring SEPIC configuration for input voltages spanning above and below the output level

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as Micrel was acquired by Microchip Technology. Ensure the specific suffix matches the required package type and tape-and-reel specifications. Confirm that the sourcing channel provides original components with traceable documentation to avoid counterfeit integrated circuits.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a flexible switching regulator capable of multiple topologies is required for low-current applications. It is suitable for designs needing a positive adjustable output derived from a single-cell lithium-ion source or similar battery architecture. Consider the SC-74A package constraints for PCB layout and thermal management requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

The MIC2141 series belongs to the family of micropower switching regulators designed for portable applications. These devices integrate the necessary control logic and power switches to minimize external component counts. The MIC2141BM5 specifically denotes the version packaged in the SC-74A form factor, offering a compact solution for modern handheld and wearable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct cross-reference models within the Microchip portfolio that share identical pinouts and electrical characteristics. Verify compatibility with existing PCB footprints and ensure that alternative components support the same boost, flyback, and SEPIC operational modes without requiring circuit redesign.