UC2825DW

DC DC Switching Controllers Overview

The UC2825DW is a high-speed PWM controller from Texas Instruments, designed for versatile power supply topologies including Boost, Flyback, Forward, Full-Bridge, Half-Bridge, and Push-Pull configurations. It operates within a supply voltage range of 8.4V to 30V DC. The device features a switching frequency of 1 MHz with a maximum duty cycle of 80%. It provides two output channels capable of driving external switches, with rise and fall times of 30 ns. The component is housed in a 16-pin SOIC surface-mount package and supports an operating temperature range from -40°C to 85°C.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including Boost, Flyback, Forward, Full-Bridge, Half-Bridge, and Push-Pull
• Features high-speed PWM control with fast rise and fall times for efficient switching applications
• Includes integrated soft-start and current limit protection functions

DC DC Switching Controllers Applications

• Boost converter designs
• Flyback transformer-based power supplies
• Forward converter implementations
• Full-bridge and half-bridge isolated power stages
• Push-pull converter architectures

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm exact electrical tolerances and package variations. Ensure the procurement channel provides valid traceability for the UC2825DW part number. Cross-reference the datasheet revision date to guarantee compatibility with current design requirements. Confirm RoHS compliance status through authorized distributors or manufacturer certificates prior to finalizing orders.

DC DC Switching Controllers Selection Notes

Select the UC2825DW when designing systems requiring support for diverse topologies such as push-pull or full-bridge converters. The 1 MHz switching frequency allows for reduced passive component sizes compared to lower-frequency alternatives. Consider the 80% maximum duty cycle limitation when defining input-to-output voltage ratios. The dual-channel output capability makes it suitable for applications requiring synchronized or interleaved switching phases.

DC DC Switching Controllers Part Context

The UC2825DW belongs to the UC2825A series of switching controllers manufactured by Texas Instruments. This family focuses on high-performance pulse width modulation for various DC-DC conversion needs. The DW suffix indicates a surface-mount SOIC-16 package variant, distinguishing it from through-hole options like the AN series. It serves as a core control element in modern power management integrated circuits.

DC DC Switching Controllers Replacement Considerations

UC2825ADW

DC DC Switching Controllers FAQ

What is the maximum duty cycle for the UC2825DW?

The maximum duty cycle is 80%.

Which package type does the UC2825DW use?

It uses a 16-SOIC surface-mount package.