LTC1772ES6#TRPBF

DC DC Switching Controllers Overview

The LTC1772ES6#TRPBF is a constant frequency current mode step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.5 V to 9.8 V and supports a switching frequency of 550 kHz. The device provides a single positive output with a maximum output current capability of 5 A. It functions in an ambient temperature range from -40°C to +85°C and is housed in a TSOT-23-6 surface-mount package.

DC DC Switching Controllers Feature Summary

• Employs a constant frequency current mode PWM architecture for stable regulation
• Designed to drive external P-channel power MOSFETs for high-performance conversion
• Optimized for low output voltage ripple in compact designs

DC DC Switching Controllers Applications

• Cell phones and portable electronics powered by Li-Ion cells
• Portable systems operating from NiCd battery packs
• General-purpose step-down DC/DC power supply circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation, as variations such as TRMPBF may indicate different reel packaging formats while maintaining identical electrical specifications. Confirm RoHS compliance status through the manufacturer's material declaration. Ensure the component matches the required TSOT-23-6 footprint and pinout configuration for your PCB layout.

DC DC Switching Controllers Selection Notes

Select this controller when designing space-constrained applications requiring efficient buck conversion from single-cell lithium or multi-cell nickel batteries. The external MOSFET requirement allows designers to optimize thermal performance and efficiency based on specific load currents. Consider the 550 kHz switching frequency for balancing component size against electromagnetic interference requirements.

DC DC Switching Controllers Part Context

This component belongs to the LTC1772 family of switching regulators. It shares architectural similarities with other Analog Devices controllers but is distinctively configured for driving external P-channel devices rather than integrated N-channel solutions. The ES6 designation identifies the specific commercial grade temperature range and TSOT-23-6 package variant within the broader product line.

DC DC Switching Controllers Replacement Considerations

The LTC1772CS6#TRPBF serves as a verified alternative part number within the same series. Both variants share identical core electrical characteristics and functional capabilities. Verify that any substitute maintains compatibility with the intended external P-channel MOSFET selection and control loop compensation network.