ADP1874ARQZ-1.0-R7

DC DC Switching Controllers Overview

The ADP1874ARQZ-1.0-R7 is a synchronous buck controller from Analog Devices, designed for high-efficiency power conversion. It operates with a fixed switching frequency of 1MHz and supports an input voltage range of 3.25V to 20V. The device features a minimum output voltage setting of 600mV and achieves a maximum duty cycle of 45%. It is housed in a 16-pin QSOP package and functions within a temperature range of -40°C to +125°C. This component is classified as a single-output switching controller suitable for point-of-load applications.

DC DC Switching Controllers Feature Summary

• Synchronous buck control architecture for efficient step-down conversion
• Fixed 1MHz switching frequency for optimized passive component size
• Light load efficiency enhancement capability
• Wide input voltage operational range

DC DC Switching Controllers Applications

• Point-of-load (POL) voltage regulation
• High-density server power supplies
• Industrial equipment power management
• Communication infrastructure systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix '1.0' indicates the correct internal reference or configuration variant required for your design. Confirm the QSOP-16 package availability matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing standards. Validate that the 1MHz frequency aligns with your EMI constraints.

DC DC Switching Controllers Selection Notes

Select this controller when a fixed-frequency synchronous buck solution is preferred over adaptive on-time architectures. It is suitable for designs requiring a stable switching frequency to simplify filter design. Consider this part if the application demands a wide input voltage range up to 20V. Evaluate the trade-off between the 45% maximum duty cycle and your minimum output voltage requirements. Ensure the thermal performance of the QSOP-16 package suits your power dissipation needs.

DC DC Switching Controllers Part Context

This component belongs to the ADP1874 series of synchronous buck controllers. It shares architectural similarities with other members like the ADP1870 but differs in control methodology. The series targets high-performance DC/DC conversion. The 'R7' suffix typically denotes tape and reel packaging for automated assembly. It complements Analog Devices' portfolio of PMIC solutions.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility before considering alternative devices. Check if adjacent models in the ADP187x family offer compatible functionality. Ensure any replacement maintains the 1MHz switching frequency requirement.