LTC1622CS8#PBF

DC DC Switching Controllers Overview

The LTC1622CS8#PBF is a constant frequency current mode step-down DC/DC controller manufactured by Analog Devices Inc. It operates within 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. Quiescent current is specified at 350 uA, with operating supply current at 270 uA. Load regulation is rated at 0.3%. It functions in a temperature range of 0°C to +70°C and is housed in an SOIC-8 surface-mount package.

DC DC Switching Controllers Feature Summary

• Provides excellent AC and DC load and line regulation through constant frequency current mode control
• Supports shutdown functionality for power management efficiency
• Designed for low input voltage applications using buck topology

DC DC Switching Controllers Applications

• Portable equipment requiring efficient step-down conversion
• Battery-powered systems needing regulated lower voltage rails
• General-purpose DC/DC control in consumer electronics

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm RoHS compliance status via official documentation. Check for specific manufacturing lot codes and date codes relevant to project requirements. Ensure the SOIC-8 package matches PCB footprint specifications. Validate that the #PBF suffix indicates lead-free packaging as per manufacturer standards.

DC DC Switching Controllers Selection Notes

Select this controller when a compact solution is needed for inputs between 2 V and 9.8 V. It is suitable for designs requiring up to 5 A output with minimal external component count. Consider the 550 kHz switching frequency for balancing size and efficiency. Ensure thermal management aligns with the 0°C to +70°C operational range. Compare against other current mode controllers if wider input ranges are required.

DC DC Switching Controllers Part Context

This part belongs to the LTC1622 series of switching voltage regulators from Analog Devices. It is categorized under PMIC - Power Management ICs. The device serves as a core component in power supply designs, specifically functioning as a current mode step-down DC/DC controller. It complements other Linear Technology products focused on efficient power conversion.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC1622CS8#TRPBF, which shares identical electrical characteristics but differs in tape-and-reel packaging. Verify pinout compatibility and thermal performance when transitioning between tube and reel formats.