LTC1622CMS8#PBF

DC DC Switching Controllers Overview

The LTC1622CMS8#PBF is a constant frequency current mode step-down DC/DC controller from Analog Devices. It operates with an input voltage range of 2 V to 9.8 V and delivers up to 5 A output current. The device features a fixed switching frequency of 550 kHz and adjustable output voltage. It includes shutdown functionality, with a quiescent current of 350 uA and operating supply current of 270 uA. The component is housed in an SOIC-8 package and functions within a temperature range of 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Provides excellent AC and DC load and line regulation through constant frequency current mode control
• Integrates shutdown capability for power management efficiency
• Designed for low input voltage applications with high output current capability

DC DC Switching Controllers Applications

• Portable equipment requiring efficient step-down conversion
• Battery-powered systems needing regulated lower voltages
• Industrial control circuits with limited input voltage ranges

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence as per manufacturer specifications. Confirm the MSOP-8 or SOIC-8 package variant matches your PCB footprint requirements. Check for obsolescence notices or lifecycle status updates directly from Analog Devices before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this controller when input voltages are between 2 V and 9.8 V and output currents up to 5 A are required. Ensure external components support the 550 kHz switching frequency. Consider thermal dissipation capabilities given the 5 A output rating in the chosen package. Verify that the adjustable output voltage range meets system design constraints.

DC DC Switching Controllers Part Context

This part belongs to the LTC1622 series of low input voltage current mode step-down DC/DC controllers. It is designed by Analog Devices for applications requiring high efficiency and precise regulation. The CMS8#PBF designation specifies the commercial temperature grade and lead-free packaging format within this product family.

DC DC Switching Controllers Replacement Considerations

Consult Analog Devices documentation for direct pin-compatible alternatives within the LTC1622 series. Evaluate other current mode buck controllers if input voltage ranges or output current requirements differ significantly from the 2-9.8 V and 5 A specifications.