MAX1684EEE

Voltage Regulators - DC DC Switching Regulators Overview

The MAX1684EEE+ is a low-noise, synchronous step-down DC-DC converter from Analog Devices Inc./Maxim Integrated. It operates with an input voltage range of 2.7 V to 14 V and delivers up to 1 A of output current. The device features a fixed switching frequency of 300 kHz and a typical quiescent current of 150 uA. It provides a regulated output voltage between 3.296 V and 3.368 V with a load regulation of 0.01%. Designed for surface-mount installation, it utilizes a 16-pin QSOP package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a compact footprint.
• Provides low-noise operation suitable for sensitive analog circuits.
• Includes internal soft-start and protection features for reliable startup.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Handheld instruments
• Notebook computers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., EEE+) against the official datasheet to confirm pinout and electrical characteristics. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm availability status as distribution channels may vary by region. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a stable 3.3 V rail is required from a higher voltage source. Consider the 300 kHz switching frequency for balancing component size and noise. Evaluate thermal performance within the QSOP package for the expected load current. Verify that the input voltage range covers the system's minimum and maximum supply conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX1684 series of low-noise, synchronous step-down converters. It is designed to replace linear regulators in battery-powered applications to extend runtime. The family offers various output voltage options and packaging styles to suit different design constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same product family. Verify if updated revisions offer improved efficiency or thermal performance. Ensure substitute parts maintain the same switching frequency to avoid redesigning passive components.