UC2844AD8

Power Supply Controllers, Monitors Overview

The UC2844AD8TRG4 is a current-mode PWM controller manufactured by Texas Instruments, designed for high-performance power supply applications. It operates within a supply voltage range of 10V to 30V and supports switching frequencies up to 500 kHz. The device features a maximum duty cycle of 50% and provides a 1A output drive capability. It is housed in an SOIC-8 surface-mount package and functions across an extended temperature range from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode control architecture for enhanced dynamic response and simplified compensation.

Power Supply Controllers, Monitors Applications

• DC-to-DC converters
• Forward converters
• Flyback converters

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix (e.g., TRG4) against official datasheets to confirm tape-and-reel packaging and industrial temperature ratings. Ensure compatibility with required operating conditions before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring robust current-mode control with wide input voltage tolerance. Confirm that the 50% maximum duty cycle aligns with the specific transformer turns ratio and topology requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the UC2844A series of current-mode PWM controllers. It serves as a standard solution for isolated and non-isolated power conversion stages, offering reliable performance in compact surface-mount configurations.

Power Supply Controllers, Monitors Replacement Considerations

UC2844AD8R: Alternative reel-packaged version of the same component family.

Power Supply Controllers, Monitors FAQ

What is the maximum switching frequency supported?

The device supports switching frequencies up to 500 kHz.

Does the UC2844AD8 support synchronous rectification?

No, it provides a single output driver intended for driving external MOSFETs or BJTs.