LT3653IDCB

Overview

The LT3653IDCB is a high-voltage input switching regulator designed for battery charger applications. It operates with an input voltage range of 7.5 V to 30 V and delivers a maximum output current of 1.2 A. The device utilizes current-mode control and pulse width modulation techniques to regulate power conversion efficiently. It features an integrated output current limit, which protects the system during overload conditions. The component is housed in an 8-lead HVSON package and is rated for operation between -40°C and +125°C.

Feature Summary

• Integrates high-voltage input regulation suitable for diverse power sources
• Provides programmable output current limiting for system protection
• Employs current-mode control architecture for stable performance

Applications

• Single-cell lithium-ion battery charging from USB inputs
• Battery charging solutions utilizing high-voltage inputs
• PowerPath control systems for portable devices

Procurement Notes

Verify the specific suffix and marking code on the physical component against official Analog Devices documentation to confirm the exact variant. Ensure that the ordering information matches the required package type and temperature rating. Cross-reference the part number with authorized distributor catalogs to validate authenticity and compliance with relevant standards before procurement.

Selection Notes

Select this component when designing systems requiring a compact solution for charging single-cell lithium-ion batteries from varying input sources. Consider its high-voltage input capability and integrated current limiting features for simplified power path management. Evaluate the thermal performance within the specified operating temperature range to ensure reliability in the target application environment.

Part Context

This part belongs to the LT3653 family of high-voltage buck regulators from Analog Devices. These components are engineered for efficient power management in portable electronics. The series offers integration of key power stage elements to reduce external component count. This specific model focuses on battery charging applications requiring robust input voltage handling.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternative part numbers. Ensure any replacement maintains compatibility with the 7.5 V to 30 V input range and 1.2 A output current requirements. Verify pinout and package dimensions match the existing design constraints.