LT1268BCT#PBF

Overview

The LT1268BCT#PBF is a monolithic switching regulator manufactured by Analog Devices Inc., housed in a TO-220-5 through-hole package. It operates as a boost converter with an adjustable output voltage and supports a maximum switch current of 7.5 A. The device accepts an input voltage range from 3 V to 30 V and functions at a fixed switching frequency of 150 kHz. It includes shutdown functionality and maintains a typical operating supply current of 7 mA. The component is rated for operation within a temperature range of 0°C to +125°C.

Feature Summary

• Supports boost, buck, and flyback topologies for flexible power conversion
• Integrated high-current switch capable of delivering up to 7.5 A
• Includes shutdown control for power management

Applications

• Industrial power supplies requiring isolated or non-isolated regulation
• Battery-powered systems needing voltage step-up capabilities
• General-purpose DC-DC conversion in embedded electronics

Procurement Notes

Verify the specific suffix and package type against official datasheets to ensure compatibility with thermal and mechanical constraints. Confirm RoHS compliance status directly with the manufacturer documentation. Check for any recent Product Change Notifications (PCNs) that may affect specifications or manufacturing locations before finalizing procurement decisions.

Selection Notes

Select this component when a robust, high-current switching solution is required in a through-hole format. Ensure the application demands a boost topology or utilizes the device's versatility for other configurations. Verify that the 150 kHz switching frequency aligns with electromagnetic interference requirements and that the 7.5 A current rating exceeds peak load demands under all operating conditions.

Part Context

This part belongs to the LT1268 series of monolithic switching regulators designed for versatile power management applications. The series offers multiple package options to suit different thermal and board space requirements while maintaining consistent electrical performance characteristics across variants.

Replacement Considerations

LT1268BCQ#PBF is documented as a parameter-equivalent alternative within the same product family.