UC2843AD8TRG4

Power Supply Controllers, Monitors Overview

The UC2843AD8TRG4 is a current-mode PWM controller manufactured by Texas Instruments, designed for DC-DC switching applications. It operates within an input voltage range of 8.2 V to 25 V, with a nominal supply of 15 V and a maximum operating voltage of 28 V. The device supports Boost, Flyback, and Forward topologies with a switching frequency of 500 kHz and a maximum duty cycle of 100%. It features a single output capable of sourcing 200 mA, with rise and fall times of 50 ns each. Operating temperatures span from -40°C to +85°C, housed in an 8-pin SOIC package.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode pulse width modulation control architecture for enhanced transient response and simplified compensation.

Power Supply Controllers, Monitors Applications

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

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'D8TRG4' against official Texas Instruments documentation to confirm the exact tape-and-reel packaging configuration and lead-free status. Ensure compatibility with required surface-mount assembly processes. Cross-reference the RoHS compliance declaration directly with the manufacturer's latest datasheet to validate environmental standards before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring a single-output current-mode controller with a 500 kHz switching capability. It is suitable for industrial or commercial environments operating between -40°C and +85°C. Consider the 200 mA output drive strength and 100% maximum duty cycle when designing boost or forward topologies where high conversion ratios are necessary.

Power Supply Controllers, Monitors Part Context

This part belongs to the UC2843A series of current-mode PWM controllers from Texas Instruments. It shares functional similarities with other members of the family but is distinguished by its specific automotive-grade or extended temperature variants and SOIC-8 packaging. The series is widely used in general-purpose power management solutions requiring efficient current-mode regulation.

Power Supply Controllers, Monitors Replacement Considerations

Publicly confirmed substitute part numbers for UC2843AD8TRG4 were not identified in the provided source material. Verify cross-compatibility with UC2843BD8TRG4 or UC2843CD8TRG4 through official electrical parameter comparison if alternative sourcing is required.