MAX8508ETE+T

Overview

The MAX8508ETE+T is a PWM step-down DC-DC converter manufactured by Analog Devices Inc./Maxim Integrated. It operates with an input voltage range of 2.6V to 5.5V and provides a single adjustable output voltage ranging from 0.75V to 3.4V. The device features a low on-resistance switch, specified as 75mΩ in product descriptions. It is designed for applications such as WCDMA converters and functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates a low on-resistance power switch for efficient step-down conversion
• Supports wide input voltage ranges suitable for single-cell lithium-ion battery systems
• Provides adjustable output voltage control via external feedback components

Applications

• WCDMA base station converters
• Single-cell lithium-ion battery powered devices
• Portable electronic equipment requiring efficient DC-DC conversion

Procurement Notes

Verify the exact suffix 'ETE+T' against the manufacturer's official datasheet to confirm package type and RoHS compliance status. Ensure the component matches the specific pinout and thermal requirements for your PCB layout. Cross-reference with current distributor availability as supply status may vary.

Selection Notes

Select this component when a compact, high-efficiency buck converter is needed for inputs up to 5.5V. Consider the 75mΩ internal switch resistance for efficiency calculations. Verify that the required output voltage falls within the 0.75V to 3.4V adjustable range. Check thermal performance requirements against the ETE package capabilities.

Part Context

This part belongs to the Maxim Integrated line of switching regulators, now under Analog Devices Inc. It is a dedicated step-down converter designed for portable applications. The ETE suffix typically denotes a specific surface-mount package configuration. It serves as a power management solution for mobile and wireless communication devices.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin replacements or functional equivalents within the same family. Verify compatibility with existing inductor and capacitor selections before substituting.