UC2836D

Voltage Regulators - Linear Regulator Controllers Overview

The UC2836D is a high-efficiency linear regulator controller designed for low dropout applications. It features an adjustable output voltage range from 2.5V to 35V, utilizing two external resistors. The device incorporates a precision reference and a high-gain error amplifier. It provides accurate current limiting with foldback protection, reducing peak output current significantly during short circuits. The IC includes under-voltage lockout, thermal shutdown, and reverse voltage protection. It operates within a temperature range of -25°C to +85°C and is housed in an 8-pin SOIC package.

Voltage Regulators - Linear Regulator Controllers Feature Summary

• Complete control architecture for high-current, low-dropout linear regulators using an external pass element
• Integrated precision reference and high-gain error amplifier for stable regulation
• Built-in current sense with foldback capability to protect against short circuits
• Comprehensive protection suite including under-voltage lockout, thermal shutdown, and reverse voltage protection

Voltage Regulators - Linear Regulator Controllers Applications

• Designing low-cost, low-dropout linear power supplies
• High-efficiency regulator controllers requiring adjustable output voltages
• Systems needing precise current limiting and foldback protection
• Applications requiring remote sense for improved load regulation

Voltage Regulators - Linear Regulator Controllers Procurement Notes

Verify the specific suffix (e.g., D) corresponds to the required operating temperature range and packaging format. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the selected component matches the exact pinout and electrical specifications defined in the official datasheet before finalizing procurement.

Voltage Regulators - Linear Regulator Controllers Selection Notes

Select the UC2836D when an adjustable output voltage between 2.5V and 35V is required. This controller is suitable for designs utilizing external pass transistors to achieve low dropout voltages. Consider this part if the application demands integrated foldback current limiting and robust protection features like thermal shutdown and reverse voltage blocking without external discrete components.

Voltage Regulators - Linear Regulator Controllers Part Context

The UC2836D belongs to the UC1835/6 family of linear controllers, which are optimized for cost-effective and efficient linear regulator designs. This family includes fixed voltage variants like the UC2835D and other temperature grades such as the UC1836 and UC3836. The UC2836D specifically targets commercial industrial temperature ranges and offers adjustable output capabilities.

Voltage Regulators - Linear Regulator Controllers Replacement Considerations

UC2835D: Fixed 5V output version of the same family. UC2836DG4: Green/RoHS-compliant version of the UC2836D. UC1836J: Military grade variant with extended temperature range. UC3836D: Commercial grade variant with different temperature specifications.