LT3048EDC-15#TRMPBF

Overview

The LT3048EDC-15#TRMPBF is a dual-output power management IC from Analog Devices, integrating a boost switching regulator and a low-dropout linear regulator in an 8-DFN package. It operates with an input voltage range of 2.7 V to 4.8 V. The first output provides a fixed 15 V at up to 45 mA, while the second output delivers a fixed 16.1 V at up to 300 mA. The device utilizes a 2.2 MHz switching frequency and supports operation across a temperature range of -40°C to +125°C.

Feature Summary

• Integrates a high-efficiency boost converter and a precision LDO within a single compact package for efficient dual-rail generation.
• Features a wide input voltage operating range suitable for battery-powered applications requiring stable regulation.
• Includes integrated shutdown functionality to minimize power consumption during inactive periods.

Applications

• Portable instrumentation requiring multiple regulated supply rails
• Battery-operated medical devices needing low noise and high efficiency
• Industrial sensor interfaces requiring isolated or distinct voltage levels

Procurement Notes

Verify the specific suffix TRMPBF confirms tape-and-reel packaging with cut-tape availability options. Confirm the DC-15 variant matches the required 15V output specification against the design schematic. Ensure the DFN-8 footprint aligns with the PCB layout constraints. Check RoHS compliance status for current manufacturing batches. Validate thermal performance requirements for the intended enclosure environment.

Selection Notes

Select this component when a combined boost and LDO solution is needed to maximize efficiency while maintaining low noise. The dual-output architecture reduces board space compared to using separate regulators. Consider the 300mA capability of the boost stage for primary load requirements. Evaluate the 2.2MHz frequency for inductor size trade-offs. Ensure input voltage stays within the 2.7V to 4.8V window for proper regulation.

Part Context

This part belongs to the LT3048 series, which combines switching and linear regulation technologies. It is designed to replace discrete solutions, offering higher power density. The series is characterized by its ability to generate multiple voltages from a single source efficiently. It targets applications where space and power efficiency are critical constraints.

Replacement Considerations

LT3048IDC-15#TRMPBF offers identical electrical specifications with an industrial temperature grade extension.