SP7651ER-L

Voltage Regulators - DC DC Switching Regulators Overview

The SP7651ER-L is a synchronous buck converter from MaxLinear, designed for distributed power systems. It accepts an input voltage range of 2.5V to 20V and provides a single adjustable output capable of delivering up to 3A. The device operates with a fixed switching frequency of 500kHz and utilizes a QFN-10 (2x2mm) package. It features thermal shutdown and current limit protection. The component is currently listed as obsolete or end-of-life.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down DC-DC conversion topology
• Integrated high-side and low-side MOSFETs
• Fixed 500kHz switching frequency operation
• Adjustable output voltage regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply architectures
• Point-of-load regulation for digital circuits
• Battery-powered portable devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the current lifecycle status, as this part is often marked obsolete. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing PCB footprints if replacing active inventory. Check RoHS compliance documentation for specific manufacturing dates.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency synchronous buck solution is required for inputs up to 20V. The 3A output capability suits moderate load applications. Consider the small QFN-10 footprint for space-constrained designs. Evaluate thermal performance under maximum load conditions given the small package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This IC belongs to MaxLinear's PMIC portfolio, formerly associated with Exar products. It serves as a power management solution for converting higher bus voltages to lower logic levels. The series is known for integrating control logic and power stages into a minimal footprint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

As the part is obsolete, identify cross-reference parts with similar 3A synchronous buck specifications and 20V max input. Verify pin-to-pin compatibility with the QFN-10 package. Ensure replacement components support the same 500kHz frequency and adjustable output range.