MIC23150-SYMT-TR

Voltage Regulators - DC DC Switching Regulators Overview

The MIC23150-SYMT-TR is a synchronous buck switching regulator from Microchip Technology, designed for high-efficiency power conversion in space-constrained portable applications. It operates with an input voltage range of 2.7V to 5.5V and delivers a fixed output voltage of 1.8V at up to 2A output current. The device features a 4MHz switching frequency and achieves up to 93% efficiency. It incorporates HyperLight Load mode to minimize quiescent current to 23µA across the entire load range. The component is housed in an 8-pin UDFN package and supports an operating junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HyperLight Load mode ensures high efficiency across the entire output current range by minimizing quiescent current consumption.
• Synchronous rectification topology provides improved power conversion efficiency compared to asynchronous designs.
• High 4MHz switching frequency allows for the use of smaller external passive components, reducing overall solution size.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing extended runtime through low quiescent current operation
• Space-constrained embedded systems utilizing small footprint regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage configuration during procurement, as datasheet references indicate variations such as 1.8V and 3.3V versions within the MIC23150 family. Confirm the package type matches the design requirements, typically an 8-pin UDFN. Ensure compatibility with the required input voltage range of 2.7V to 5.5V for the target application. Cross-reference the suffix 'SYMT' with official Microchip documentation to confirm pinout and thermal characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency DC-DC converter is needed for portable applications. The fixed 1.8V output suits systems requiring that specific rail. Consider the 4MHz frequency for minimizing inductor size. Verify that the 2A current capability meets the peak load demands of the downstream circuitry. Evaluate the thermal performance within the 8-pin UDFN package against the expected ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The MIC23150 series belongs to Microchip's portfolio of high-efficiency switching regulators. This specific part is a synchronous buck converter optimized for portable devices. It integrates power switches and control logic into a single IC. The series is known for combining high performance with a small physical footprint, making it suitable for modern miniaturized electronic designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the MIC23150 family with different fixed output voltages if the system requires a different rail. Verify pin-to-pin compatibility with other 8-pin UDFN buck regulators from Microchip or other manufacturers before substitution. Ensure the replacement maintains the 4MHz switching frequency and HyperLight Load functionality for equivalent efficiency profiles.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the quiescent current of the MIC23150-SYMT-TR?

The device draws just 23µA of quiescent current in operation due to its HyperLight Load mode.

What is the switching frequency of this regulator?

The MIC23150-SYMT-TR operates at a fixed switching frequency of 4MHz.

Is the MIC23150-SYMT-TR a synchronous or asynchronous regulator?

It is a synchronous buck regulator, which contributes to its high efficiency across the load range.