MIC4690YM

Voltage Regulators - DC DC Switching Regulators Overview

The MIC4690YM is a Microchip Technology switching voltage regulator operating as a buck converter. It delivers an output current of 1 A with adjustable output voltage. The device accepts an input voltage range from 4 V to 34 V and operates at a fixed switching frequency of 500 kHz. It functions within a temperature range of -40°C to +125°C. The component is housed in an SOP-8 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage power switch for simplified circuit design
• Provides adjustable output voltage capability via external feedback components
• Operates at a fixed 500 kHz switching frequency to minimize passive component size

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment requiring efficient step-down conversion
• Industrial control systems utilizing wide input voltage ranges
• Embedded systems needing regulated power supplies within harsh thermal environments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature grade. Confirm RoHS compliance status through manufacturer documentation prior to integration. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification. Cross-reference ordering information with authorized distributors to validate part authenticity.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output buck topology is required with an input voltage up to 34 V. The 1 A continuous current rating suits moderate load applications. Consider the SOP-8 package constraints for PCB layout space. Evaluate the 500 kHz frequency against electromagnetic interference requirements and inductor selection criteria for the target design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MIC4690 series of simple buck regulators manufactured by Microchip Technology. It falls under the PMIC category, specifically switching voltage regulators. The device is designed to replace older linear regulators in applications where efficiency and thermal management are critical concerns.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The MIC4680YM serves as a related alternative within the same product family, offering higher current capacity but differing switching frequencies. Verify pin compatibility and electrical specifications before substitution.