LTC3722IGN-1

DC DC Switching Controllers Overview

The LTC3722IGN-1 is a high-performance dual-output full-bridge DC/DC switching regulator controller designed for isolated output applications. It operates with an input voltage range of 36V to 72V and provides two independent regulated outputs, typically configured for 12V at 35A in reference designs. The device supports a switching frequency of 205kHz and features a supply voltage range of 3.8V to 10.25V. It utilizes a 24-pin SSOP package and includes control characteristics such as current limiting, slope compensation, and soft-start functionality.

DC DC Switching Controllers Feature Summary

• Dual-output architecture supporting positive isolated outputs via full-bridge topology
• Constant-frequency current mode operation with phase-lockable clock synchronization
• Integrated protection and control features including current limiting, slope compensation, and soft-start

DC DC Switching Controllers Applications

• Isolated DC/DC power conversion systems requiring dual outputs
• Industrial power supplies utilizing full-bridge topologies
• Evaluation platforms for high-power synchronous rectification designs

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and RoHS compliance status against the latest manufacturer datasheet before procurement. Confirm package dimensions and thermal requirements for the 24-SSOP form factor. Ensure compatibility with external MOSFET drivers and transformer specifications for the intended full-bridge application. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring dual isolated outputs from a single controller IC. It is suitable for systems operating within the 36V to 72V input range. Consider the 205kHz switching frequency for magnetic component sizing. Evaluate the need for external synchronization if multiple converters are used in close proximity. Ensure the design accommodates the 3.8V to 10.25V Vcc supply range.

DC DC Switching Controllers Part Context

The LTC3722IGN-1 belongs to Analog Devices' family of advanced DC/DC switching regulators. It is specifically engineered for full-bridge converter topologies, offering precise control for high-efficiency power conversion. The device integrates essential control loops and protection mechanisms, simplifying the design of complex isolated power supplies compared to discrete solutions.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible replacements within the same product family. Verify that alternative controllers support the required full-bridge topology and dual-output configuration. Ensure electrical parameters such as input voltage range and switching frequency match the existing design constraints.