MCP1602-ADJI/MF

Voltage Regulators - DC DC Switching Regulators Overview

The MCP1602-ADJI/MF is a synchronous step-down DC/DC converter manufactured by Microchip Technology. It integrates high-side and low-side N-channel MOSFETs to deliver up to 500 mA of output current. The device operates with an input voltage range from 2.7 V to 5.5 V and supports adjustable output voltages starting from 0.8 V. It features a fixed switching frequency of 1.4 MHz, enabling the use of small external inductors and capacitors. The component is housed in a compact 6-pin SOT-23 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification utilizing internal N-channel MOSFETs for improved efficiency
• Fixed 1.4 MHz switching frequency allows for minimal passive component footprint
• Adjustable output voltage capability via external resistor divider network
• Compact 6-pin SOT-23 surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered consumer electronics
• Point-of-load regulation for embedded systems
• Input voltage step-down for microcontroller power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MF against official Microchip documentation to confirm the exact tape-and-reel quantity and packaging configuration. Ensure compatibility with the required thermal dissipation characteristics for the intended PCB layout. Cross-reference the datasheet revision date to confirm pinout consistency with existing designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for low-current applications under 500 mA. The fixed 1.4 MHz frequency is suitable for designs prioritizing board area over extreme efficiency at very light loads. Verify that the required output voltage falls within the supported adjustable range relative to the input supply.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MCP1602 family of synchronous buck regulators. It shares architectural similarities with other members like the MCP1603 but differs in maximum output current ratings. The family targets portable devices requiring efficient power conversion from single-cell lithium batteries or USB sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include the MCP1602T-ADJI/MF variant if reel packaging is preferred. Other compatible parts in the series may offer different current ratings or package options such as the MSOP variant.