TOP246R-TL

AC DC Converters, Offline Switchers Overview

The TOP246R-TL is an AC-DC converter from the TopSwitch-GX family, designed for offline flyback applications. It integrates a high-voltage power switch with a current-mode controller. The device operates at a switching frequency of 132 kHz and supports a maximum duty cycle of 83%. It features a 700 V breakdown voltage and functions within an input voltage range of 85 to 265 VAC. The component is housed in a TO-263 package and is rated for operation between -40°C and +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch with a current-mode controller
• Includes built-in fault protection mechanisms such as overcurrent, overtemperature, and overvoltage protection
• Supports universal AC input ranges for global compatibility

AC DC Converters, Offline Switchers Applications

• Offline converters
• Flyback topology designs
• General-purpose AC/DC conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' against the manufacturer's official documentation to confirm the reel packaging configuration. Confirm RoHS compliance status, as some sources indicate non-compliance for this variant. Ensure the TO-263-7C package matches the target PCB footprint requirements before procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching and control in a compact surface-mount form factor. Consider the 132 kHz switching frequency for transformer sizing and EMI management. Verify that the thermal performance of the TO-263 package meets the application's heat dissipation needs under maximum load conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-GX series by Power Integrations, which combines power switching and control logic into a single monolithic IC. The series is engineered for cost-effective and reliable power supply solutions in consumer and industrial electronics.

AC DC Converters, Offline Switchers Replacement Considerations

TOP246YN-TL offers a through-hole alternative within the same series. Other variants in the TopSwitch-GX family may provide different power ratings or pin configurations.