UC2836DG4

Overview

The UC2836DG4 is a high-efficiency linear regulator controller from Texas Instruments, designed for low dropout applications. It operates within an input voltage range of 6V to 40V and supports adjustable output voltages from 2.5V to 35V. The device provides a driver output current capability of up to 600mA and features accurate 2.5A current limiting with foldback protection. Operating temperatures span from -25°C to +85°C. It is housed in an 8-pin SOIC package.

Feature Summary

• Optimized for low cost, low dropout linear regulators using external pass elements
• Includes internal current sense resistor and remote sense for improved load regulation
• Features under-voltage lockout, thermal shutdown, and reverse voltage protection

Applications

• High current, low dropout linear regulator designs
• Adjustable voltage power supply circuits
• Systems requiring precise current limiting with foldback characteristics

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm temperature grade and packaging details. Ensure compatibility with required operating conditions and environmental standards before procurement. Confirm moisture sensitivity level ratings and reflow soldering parameters align with assembly processes.

Selection Notes

Select this component when designing adjustable linear regulators requiring robust protection features. Consider the need for external pass transistors to achieve desired current levels. Evaluate thermal management requirements based on expected power dissipation and ambient operating temperatures.

Part Context

Part of the UC1835/6 family of linear controllers optimized for low dropout performance. Available in fixed 5V (UC1835) or adjustable (UC1836) versions. Offers high gain error amplifier, precision reference, and integrated driver capabilities for efficient power management solutions.

Replacement Considerations

Check for UC2836D as a direct equivalent within the same series. Verify if UC1836 or UC3836 variants meet specific temperature or qualification requirements.