UCC35702D

DC DC Switching Controllers Overview

The UCC35702D is a voltage-mode switching controller from Texas Instruments, designed for boost, buck, flyback, and forward converter topologies. It operates with a fixed switching frequency of 700 kHz and supports a maximum duty cycle of 99%. The device features a single output stage capable of driving external power switches with an output current of 1 A. It utilizes a 14-pin SOIC package and functions within an ambient temperature range of 0°C to 70°C. The supply voltage range is specified between 8.8V and 15V.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including boost, buck, flyback, and forward configurations.
• Integrates advanced control characteristics such as current limiting, frequency control, slope compensation, sequencing, and soft-start capabilities.
• Provides clock synchronization functionality for system-wide timing alignment.

DC DC Switching Controllers Applications

• Boost converter designs
• Buck converter implementations
• Flyback power supply circuits
• Forward converter systems

DC DC Switching Controllers Procurement Notes

Verify the component status carefully, as sources indicate this specific part number may be obsolete or end-of-life. Confirm availability through authorized distributors and check for valid replacement options if production continuity is required. Ensure the datasheet version matches the specific manufacturing lot requirements for your application.

DC DC Switching Controllers Selection Notes

Select this controller when designing isolated or non-isolated DC-DC converters requiring voltage-mode control. It is suitable for applications needing high-frequency operation at 700 kHz. Consider the 14-SOIC package constraints and the 1A drive capability when sizing external gate drivers. Verify thermal management requirements for the operating temperature range.

DC DC Switching Controllers Part Context

This component belongs to the UCC35702 family of advanced voltage-mode controllers. It shares functional similarities with other members like the UCC35701 and UCC35706 but differs in switching frequency and package options. The family is targeted at general-purpose power conversion needs across industrial and consumer electronics sectors.

DC DC Switching Controllers Replacement Considerations

UCC35702D is listed as obsolete. Potential substitutes include the UCC35702DTRG4 or UCC35702DG4. Verify pin compatibility and electrical specifications before substitution.