MCP16323T-ADJE/NG

Voltage Regulators - DC DC Switching Regulators Overview

The MCP16323T-ADJE/NG is a synchronous step-down DC-DC converter manufactured by Microchip Technology. It operates with an input voltage range of 4.5 V to 28 V and delivers a maximum output current of 3 A. The device integrates high-side and low-side N-channel power MOSFETs and supports adjustable output voltages via an external resistor divider. It features a fixed switching frequency of 500 kHz, selectable soft-start time, and comprehensive protection mechanisms including over-current, thermal shutdown, and undervoltage lockout. The component is housed in a thermally enhanced 16-pin QFN package rated for operation between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal high-side and low-side N-channel MOSFETs
• Adaptive on-time control architecture for fast transient response
• Programmable soft-start and switching frequency synchronization capability
• Built-in protection against over-current, thermal overload, and undervoltage conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial equipment power distribution
• Telecommunications infrastructure systems
• Embedded computing platforms
• Automotive electronics subsystems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ADJE' against official Microchip documentation to confirm pin compatibility and electrical characteristics. Ensure the QFN-16 package variant matches your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet revision before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3 A output current is required within a compact form factor. The wide input voltage range suits applications powered by 12 V or 24 V buses. Consider the thermal performance of the QFN package and ensure adequate copper area for heat dissipation. Verify that the required output voltage can be set using standard resistor values compatible with the feedback network.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MCP1632x series of synchronous buck converters from Microchip Technology. The series provides integrated power solutions for space-constrained designs requiring efficient voltage regulation. These devices are designed to replace discrete MOSFET and controller combinations, simplifying board layout and reducing component count in power supply designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult Microchip technical support for verified cross-reference data. Direct replacements must match the 3 A current rating, 28 V maximum input voltage, and QFN-16 package dimensions. Verify functional compatibility regarding pin assignments and control logic before substitution.