MAX6037CAUK33+T

Overview

The MAX6037CAUK33+T is a low-dropout, micropower voltage reference from the Analog Devices/Maxim Integrated MAX6037 family. It provides a fixed output voltage of 3.3V with an initial accuracy of ±0.5% and a maximum temperature coefficient of 50ppm/°C. The device operates from a supply voltage range of 2.5V to 5.5V and consumes a maximum quiescent current of 275µA. It features active-low shutdown functionality that reduces supply current to less than 500nA. The component can source and sink up to 5mA of load current and is specified over the automotive temperature range of -40°C to +125°C.

Feature Summary

• Active-low shutdown mode significantly reduces quiescent current for power conservation
• Low dropout voltage capability supports operation in low-voltage applications
• Capable of sourcing and sinking load currents up to 5mA
• Specified for reliable performance across the full automotive temperature range

Applications

• Medical Equipment
• Portable Equipment
• Wireless LAN Systems
• Precision Regulators

Procurement Notes

Verify the specific suffix 'CAUK33+T' against official manufacturer documentation to confirm the 3.3V fixed output, C-grade accuracy, and lead-free packaging status. Confirm the SOT-23-5 package type matches the design requirements. Ensure compatibility with the required operating temperature range and input voltage specifications before finalizing procurement.

Selection Notes

Select this component when a fixed 3.3V reference with moderate precision (±0.5%) is required. It is suitable for battery-powered designs due to its low quiescent current and shutdown feature. Consider the 50ppm/°C temperature coefficient for thermal stability needs. Verify that the 5mA current drive capability meets the load requirements of the downstream circuitry.

Part Context

This part belongs to the MAX6037 family of low-power voltage references. The family includes adjustable versions and other fixed voltage options such as 1.25V, 2.048V, 2.5V, 3.0V, and 4.096V. Variants are available in different grades (A, B, C) offering varying levels of initial accuracy and temperature coefficients, all housed in the same compact 5-pin SOT-23 package.

Replacement Considerations

Other members of the MAX6037 family, such as MAX6037BAUK33+T or MAX6037AAUK33+T, offer alternative accuracy grades. Cross-reference with the official selector guide to ensure pinout and functional compatibility if substituting with different grade variants.