LTC1148LCS#TRPBF

DC DC Switching Controllers Overview

The LTC1148LCS#TRPBF is a high-efficiency synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5 V to 20 V and delivers up to 700 mA of output current. The device utilizes a fixed 250 kHz switching frequency and features a compact SOIC-14 surface-mount package. Key electrical specifications include a quiescent current of 160 µA, a shutdown mode for power conservation, and a load regulation of 60 mV. It supports operation across a commercial temperature range from 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Integrates synchronous rectification to maximize conversion efficiency
• Includes a dedicated shutdown pin for low-power standby modes
• Features internal compensation to simplify external component requirements

DC DC Switching Controllers Applications

• Portable computer power supplies
• Hand-held equipment battery management
• General-purpose DC-to-DC step-down conversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm tape-and-reel packaging and RoHS compliance status. Confirm that the LT1148/LTC1148 family designation matches the required thermal and electrical specifications for your design. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when a compact solution is required for stepping down voltages between 3.5 V and 20 V. It is suitable for applications demanding high efficiency and low quiescent current. Ensure the design accommodates the SOIC-14 package dimensions and the 250 kHz switching frequency constraints. Verify that the 700 mA output current meets the maximum load requirements of the target circuit.

DC DC Switching Controllers Part Context

This part belongs to the LTC1148 series of high-efficiency synchronous buck converters. It is designed to replace older non-synchronous regulators in portable systems. The series is characterized by its ability to maintain high efficiency across a wide load range while minimizing heat generation in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for compatible parts within the LTC1148 family or newer generations from Analog Devices. Verify pin compatibility and electrical parameter alignment before replacing.