LTC4555EUD#TRPBF

Overview

The LTC4555EUD#TRPBF is a specialized interface component designed for SIM power supply and level translation. It integrates power conversion and signal level shifting required for low voltage 2.5G and 3G cellular applications. The device operates with an input voltage range of 3 V to 6 V and features a low operating supply current of 20 uA. Packaged in a 16-QFN (3x3) surface-mount format, it supports both synchronous and asynchronous communication protocols.

Feature Summary

• Integrates power conversion and signal level shifting for SIM interfaces
• Supports low voltage 2.5G and 3G cellular standards
• Enables operation with both synchronous and asynchronous protocols

Applications

• SIM power supply for cellular modules
• Level translation for 2.5G cellular interfaces
• Level translation for 3G cellular interfaces

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with system voltage requirements before integration. Confirm availability status through authorized channels as distribution may vary.

Selection Notes

Select this component when a combined solution for SIM power generation and bidirectional level shifting is required. It is suitable for designs needing to interface low-voltage baseband processors with SIM cards in 2.5G and 3G environments.

Part Context

This part belongs to the LTC4555 series from Analog Devices, categorized under specialized interface ICs. It addresses the need for integrated power management and signal translation in mobile communication hardware.

Replacement Considerations

LTC4555EUD#PBF is a documented alternative offering the same functionality in a tube package instead of tape and reel.