MAX77837EWA+T

Voltage Regulators - DC DC Switching Regulators Overview

The MAX77837EWA+T is a synchronous buck-boost switching regulator manufactured by Analog Devices under the Maxim Integrated brand. It operates within an input voltage range of 1.8 V to 5.5 V and provides a regulated output voltage adjustable from 1.8 V to 5.2 V. The device supports a maximum output current of 400 mA, with a peak switching current capability of 1050 mA. It features ultra-low quiescent current consumption of 430 nA in active operation. The component is housed in an 8-ball Wafer Level Package (WLP) and is designed for surface mount installation. It functions reliably across an extended industrial temperature range spanning from -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck-boost topology enables stable regulation across wide input voltage variations relative to the output level.
• Ultra-low power architecture minimizes energy consumption during active operation through optimized internal circuitry.
• Compact WLP-8 footprint facilitates high-density board layouts suitable for space-constrained portable designs.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management from single-cell lithium-ion sources
• Battery-powered consumer electronics utilizing varying battery charge states
• IoT sensors and modules operating on fluctuating supply voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and package variant against official datasheets before ordering. Confirm thermal requirements align with the +150°C maximum junction temperature rating. Ensure compatibility with the WLP-8 mounting process. Check for RoHS compliance documentation. Validate that the 400mA continuous current limit meets system load demands.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltage may drop below or rise above the required output voltage. Consider the 430nA quiescent current for battery life optimization. Evaluate the WLP-8 package for size constraints. Verify that the 1050mA peak current handles transient loads. Ensure the operating temperature range covers the intended environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the Maxim Integrated PMIC portfolio, specifically designed for mobile and portable applications. It integrates power switches and control logic into a minimal footprint. The series targets systems needing efficient conversion from single-cell batteries. It complements other power management solutions by handling wide input ranges without external inductors in some configurations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official cross-reference lists for direct replacements. Verify pinout compatibility with the WLP-8 package. Ensure electrical parameters match the original design requirements. Check for updated manufacturing revisions. Confirm availability through authorized distributors.