TOP265EG

AC DC Converters, Offline Switchers Overview

The TOP265EG is an AC/DC converter from the TopSwitch-JX series by Power Integrations. It utilizes silicon technology and operates as an off-line switcher with a flyback topology. The device supports a wide input voltage range of 85 VAC to 265 VAC. It delivers a maximum output power of 57 W, with specific configurations supporting up to 19 V output. The integrated controller features a switching frequency of 132 kHz and a maximum duty cycle of 78%. Quiescent supply current is specified at 1.4 mA. The component is housed in an eSIP-7C package for through-hole mounting and functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power switch and control circuitry into a single monolithic chip.
• Provides constant voltage and constant current regulation modes for stable power delivery.
• Includes comprehensive protection mechanisms against over-current, over-voltage, and thermal overload conditions.

AC DC Converters, Offline Switchers Applications

• Universal input offline power supplies
• Battery chargers for portable devices
• Adapters for consumer electronics

AC DC Converters, Offline Switchers Procurement Notes

Verify the manufacturer part number matches exactly to ensure compatibility with design specifications. Confirm that the eSIP-7C package type aligns with the intended PCB layout and assembly processes. Check for RoHS compliance status if environmental regulations apply to the final product. Ensure the supplier provides valid documentation regarding the component's authenticity and traceability.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing systems requiring universal AC input capability with moderate power levels around 57 watts. The fixed 132 kHz switching frequency simplifies magnetic component selection compared to variable frequency alternatives. Consider the thermal performance requirements given the operating temperature limits and the through-hole packaging style for heat dissipation needs.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which combines a 700 V MOSFET with a current-mode controller. The series is designed for cost-effective, high-reliability power solutions. The TOP265EG variant specifically targets applications needing robust performance in a compact through-hole footprint, distinguishing it from surface-mount counterparts in the same lineup.

AC DC Converters, Offline Switchers Replacement Considerations

TOP265KG-TL (Surface Mount Variant)

AC DC Converters, Offline Switchers FAQ

What is the switching frequency of the TOP265EG?

The switching frequency is fixed at 132 kHz.

Does the TOP265EG support universal input voltages?

Yes, it accepts an input voltage range from 85 VAC to 265 VAC.