MAX848ESE+

Overview

The MAX848ESE+ is a high-power, low-noise switching voltage regulator manufactured by Analog Devices Inc. under the Maxim Integrated brand. It utilizes a boost topology to convert input voltages ranging from 700 mV to 5.5 V into regulated outputs of 2.7 V to 5.5 V, including specific 3.3 V and 2.7 V options. The device delivers an output current of 300 mA with a fixed switching frequency of 300 kHz. Designed for surface-mount installation, it is housed in a 16-lead SOIC package. The component operates within a temperature range of -40°C to +85°C and features a load regulation of 1.6%.

Feature Summary

• Boost converter topology enables step-up voltage conversion from low input sources
• Low-noise design suitable for sensitive power applications
• High-power capability delivering up to 300 mA output current
• Wide input voltage range supporting single-cell to multi-cell battery operation

Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems utilizing 1-to-3 cell configurations
• Applications demanding low-noise power supply rails

Procurement Notes

Verify availability status carefully as distribution channels may indicate limited supply or discontinuation. Confirm that the suffix denotes lead-free compliance and environmental standards. Ensure the SOIC-16 package matches your PCB footprint requirements. Validate that the specific output voltage variant meets your circuit design specifications before finalizing procurement decisions.

Selection Notes

Select this component when a boost converter is required to elevate low input voltages to stable higher levels. Consider the 300 mA current limit and 300 kHz switching frequency for filtering requirements. Evaluate the SOIC-16 package size against board space constraints. Ensure the operating temperature range aligns with the intended environmental conditions of the final product assembly.

Part Context

This part belongs to the MAX848 series of switching regulators designed for portable applications. It represents a solution for converting low battery voltages to usable system levels efficiently. The Maxim Integrated branding indicates its origin within Analog Devices' portfolio of power management integrated circuits focused on mobile and handheld device optimization.

Replacement Considerations

Consult official datasheets for pin-compatible alternatives within the same family. Verify electrical parameters such as output current and switching frequency match original requirements. Check package dimensions to ensure mechanical compatibility without PCB redesign.