LTC3738CUHF#PBF

Special Purpose Regulators Overview

The LTC3738CUHF#PBF is a synchronous step-down switching controller designed for high-performance voltage regulation. It operates with an input voltage range of 3.8V to 36V and provides one adjustable output. The device utilizes a 38-WFQFN (5x7) package with an exposed pad for thermal efficiency. It supports Intel VRM9 and VRM10 standards, featuring integrated MOSFET drivers and comprehensive protection mechanisms for stable DC-DC conversion in demanding applications.

Special Purpose Regulators Feature Summary

• Supports Intel VRM9 and VRM10 voltage regulator module specifications
• Integrated synchronous buck controller architecture
• Wide input voltage operating range from 3.8V to 36V

Special Purpose Regulators Applications

• Intel VRM9 compliant voltage regulation systems
• Intel VRM10 compliant voltage regulation systems
• High-current CPU core voltage supply designs

Special Purpose Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence. Confirm the CUHF variant matches the required temperature grade and package dimensions. Ensure compatibility with existing PCB footprints for the 38-QFN form factor before finalizing procurement orders.

Special Purpose Regulators Selection Notes

Select this component when designing for Intel VRM9 or VRM10 architectures requiring a single-phase synchronous buck solution. The wide input range suits various bus voltages. Consider the thermal performance of the 38-QFN package for high-current density requirements compared to lower pin-count alternatives.

Special Purpose Regulators Part Context

This part belongs to Analog Devices' specialized power management portfolio focused on processor voltage regulation. It complements other multi-phase controllers by offering a robust single-phase option for VRM applications. The series emphasizes transient response and efficiency critical for modern microprocessor power delivery networks.

Special Purpose Regulators Replacement Considerations

Direct substitutes include other Intel VRM-compatible controllers from Analog Devices such as the LTC3732 or LTC3738 variants. Verify phase count and current capabilities match the target design requirements before substitution.