MAX1958ETP

Overview

The MAX1958ETP is a step-down DC-DC converter manufactured by Analog Devices Inc./Maxim Integrated. It features a dynamically adjustable output voltage range from 0.75V to 3.4V. The device is housed in a 20-WQFN Exposed Pad package and supports surface mount installation. It is designed for applications requiring precise voltage regulation, specifically noted for heterojunction bipolar transistor (HBT) power amplifier biasing.

Feature Summary

• Dynamically adjustable output voltage capability
• Designed for HBT power amplifier biasing
• Surface mount packaging

Applications

• HBT power amplifier biasing
• W-CDMA systems
• N-CDMA systems

Procurement Notes

Verify component authenticity and datasheet revisions carefully. Confirm the specific output voltage configuration required for your design, as this model offers dynamic adjustment. Check for obsolete status or limited supply conditions before finalizing procurement plans.

Selection Notes

Select this component when a compact solution for HBT PA biasing is needed within W-CDMA or N-CDMA architectures. Ensure the input supply voltage falls within the specified operating range of 2.6V to 5.5V. Verify that the 20-WQFN package fits the PCB layout constraints.

Part Context

This part belongs to the Maxim Integrated line of power management ICs. It serves as a specialized regulator for RF front-end modules. The ETP suffix indicates the specific tape-and-reel or tube packaging variant compatible with standard SMT assembly processes for high-volume production.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.