TOP246GN-TL

AC DC Converters, Offline Switchers Overview

The TOP246GN-TL is an AC/DC converter from the TOPSwitch-GX family, designed for off-line flyback applications. It integrates a high-voltage power MOSFET with a current-mode controller. The device operates within an input voltage range of 85 VAC to 265 VAC and supports output voltages up to 700 V. Key electrical parameters include a switching frequency of 132 kHz, a maximum duty cycle of 83%, and a quiescent supply current of 2.2 mA. It is housed in an SMD-8 package and functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a current-mode controller for compact design
• Includes comprehensive protection mechanisms such as over-current, over-temperature, and over-voltage limiting
• Supports universal AC input ranges for global compatibility

AC DC Converters, Offline Switchers Applications

• Universal input adapters
• Telecommunications equipment power supplies
• Consumer electronics chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level (MSL) prior to assembly. Ensure storage conditions meet humidity requirements to prevent damage during surface mount processing.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching in a small footprint. Consider the thermal performance of the SMD-8 package relative to the expected power dissipation. Verify that the required output isolation and voltage ratings align with the 700 V breakdown capability.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TOPSwitch-GX series by Power Integrations. It represents an evolution in integrated offline switcher technology, combining control logic and power switching into a single monolithic chip to reduce external component count and board space.

AC DC Converters, Offline Switchers Replacement Considerations

TOP245GN-TL offers lower power capabilities. TOP247GN-TL provides higher power handling. Verify pinout compatibility and thermal characteristics when substituting.