LTC1148HVCS-5#PBF

Overview

The LTC1148HVCS-5#PBF is a high-efficiency synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.5 V to 20 V and provides a fixed 5 V output at up to 700 mA. The device features a low quiescent current of 160 µA and a switching frequency of 250 kHz. Packaged in a 14-pin SOIC, it includes shutdown functionality and supports operation within a temperature range of 0°C to +70°C.

Feature Summary

• Synchronous buck topology for high efficiency
• Fixed 5 V output capability
• Integrated shutdown control

Applications

• Portable computer power supplies
• Hand-held equipment regulators
• Battery-powered system management

Procurement Notes

Verify component authenticity through authorized channels due to limited supply status. Confirm package integrity and pin alignment upon receipt. Cross-reference datasheet revisions to ensure compatibility with existing designs. Validate thermal performance under maximum load conditions before final integration.

Selection Notes

Select this part for applications requiring a stable 5 V rail from higher input voltages. Ensure the load current does not exceed 700 mA. Consider thermal dissipation requirements given the SOIC-14 package. Verify that the 250 kHz switching frequency aligns with electromagnetic interference constraints.

Part Context

This component belongs to the LTC1148 series of high-efficiency synchronous buck converters. It is designed for portable electronics where battery life and space are critical. The HV variant indicates extended voltage handling capabilities compared to standard versions.

Replacement Considerations

LT6703HVCS5-2#PBF is listed as an alternative packaging type.