UC2825AN

DC DC Switching Controllers Overview

The UC2825AN is a high-speed PWM controller manufactured by Texas Instruments, designed for versatile power conversion applications. It supports multiple topologies including Boost, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull configurations. The device features two outputs with a maximum duty cycle of 50 percent and operates at a switching frequency of 1 MHz. It delivers an output current of 2 A at 5.1 V. Electrical characteristics include rise and fall times of 20 ns. The component functions within a temperature range of -40 C to +85 C and is housed in a PDIP-16 package for through-hole mounting.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including push-pull, half bridge, full bridge, forward, flyback, and boost configurations.
• Features high-speed operation with 20 ns rise and fall times for efficient switching control.
• Provides dual output channels capable of driving external power switches with specified current capabilities.

DC DC Switching Controllers Applications

• High-frequency DC-DC converters
• Uninterruptible power supplies (UPS)
• Adaptive battery chargers

DC DC Switching Controllers Procurement Notes

Verify the specific ordering suffix to ensure the correct package type and temperature grade are selected. Confirm RoHS compliance status as indicated in the official documentation. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity. Ensure the procurement channel provides valid traceability records for quality assurance purposes.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits requiring flexible topology support and high switching speeds. The 50 percent maximum duty cycle limits suitability for certain single-ended topologies without additional circuitry. Consider the PDIP-16 package constraints for thermal management and board space. Evaluate the 1 MHz switching frequency against electromagnetic interference requirements for the target application environment.

DC DC Switching Controllers Part Context

This device belongs to the UC2825A series of enhanced generation PWM controllers from Texas Instruments. It serves as a specialized power management integrated circuit within the broader PMIC category. The component is distinct from similar models like the UC3825AB due to specific performance enhancements documented in application notes U-128.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers include UC2825ANG4. Verify pin compatibility and electrical specifications before substitution.