LT3653EDCB

Overview

The LT3653EDCB is a high-voltage step-down switching regulator designed for battery charger applications. It features an integrated 1.2A power switch and operates with an input voltage range of 7.5V to 30V. The device utilizes current-mode control with pulse width modulation to regulate the output. It includes built-in output current limiting and thermal protection to ensure reliable operation under fault conditions.

Feature Summary

• Integrates a 1.2A power switch for compact design
• Supports wide input voltage range from 7.5V to 30V
• Provides output current limit for battery charging protection

Applications

• Single-cell lithium-ion battery charging from USB or high voltage inputs
• Dual input charging and PowerPath control systems
• High voltage input regulators for portable devices

Procurement Notes

Verify the specific suffix (EDCB) against the manufacturer's official datasheet to confirm package type and temperature rating. Ensure compatibility with system input voltage requirements before integration. Cross-reference ordering information with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a high-voltage buck converter with integrated power switch is required for battery charging. Consider the 1.2A output capability and 30V maximum input voltage. Evaluate thermal performance in the target application environment due to the integrated switch architecture.

Part Context

The LT3653 belongs to Analog Devices' family of high-voltage switching regulators optimized for battery management. It complements other PMIC solutions like the LTC3576 for systems requiring additional integrated supplies. The device simplifies design by combining regulation and power switching in a single package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.