UC2875DWPG4

AC DC Converters, Offline Switchers Overview

The UC2875DWPG4 is a phase-shift resonant controller manufactured by Texas Instruments, designed for high-frequency power conversion applications. It operates within a switching frequency range up to 1 MHz and supports four independent output channels. The device provides a maximum output current of 500 mA per channel. It functions reliably across an operating temperature range from -25°C to +85°C. The component is housed in a 28-pin SOIC package and is RoHS compliant.

AC DC Converters, Offline Switchers Feature Summary

• Implements phase-shift resonant control architecture for efficient soft-switching operation
• Provides four isolated output channels for multi-phase or complex topology designs
• Supports high-frequency switching operations up to 1 MHz
• Includes integrated protection features and control logic for stable regulation

AC DC Converters, Offline Switchers Applications

• High-efficiency AC-DC offline converters
• Resonant DC-DC converter topologies
• Server and telecommunications power supplies
• Industrial power management systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and lead-free status as defined by Texas Instruments standards. Confirm that the package type matches the required PCB footprint for the 28-SOIC variant. Ensure that the operating temperature range aligns with the thermal design of the target application environment. Cross-reference the datasheet revision to ensure compatibility with existing design documentation.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing phase-shift full-bridge or half-bridge resonant converters requiring multiple outputs. It is suitable for applications demanding high switching frequencies to reduce passive component size. Consider the 500 mA output drive capability when sizing external gate drivers. Evaluate the thermal performance within the specified -25°C to +85°C range for industrial environments.

AC DC Converters, Offline Switchers Part Context

The UC2875 series belongs to Texas Instruments' portfolio of advanced power management controllers. This specific part is engineered for resonant mode operation, distinguishing it from standard PWM controllers. It is part of a family that includes variants like the UC2875DWP and UC2875DWPTR, offering different packaging options while maintaining core functional specifications.

AC DC Converters, Offline Switchers Replacement Considerations

Direct replacements include the UC2875DWP and UC2875DWPTRG4. Verify pinout compatibility and electrical parameters before substitution. Alternative solutions may require redesign of the gate drive network due to differences in output drive characteristics.