Power Integrations

TOP268KG  

AC DC Converters, Offline Switches

TOP268KG Description

The TOP268KG from Power Integrations is a high-performance offline switching IC designed for Flyback topology applications. This surface-mount device integrates a 725V breakdown voltage MOSFET, enabling robust operation in AC/DC power conversion systems. With a 73W power rating, it supports isolated outputs and features advanced frequency control (66kHz/132kHz) for optimized efficiency. The IC is housed in a 12ESOP package, making it suitable for compact designs while complying with RoHS and REACH environmental standards. Its MSL 3 (168 hours) rating ensures reliability in moisture-sensitive environments.

TOP268KG Features

• Integrated 725V MOSFET for high-voltage resilience.
• Frequency Control (66kHz/132kHz) enhances efficiency across load ranges.
• Comprehensive Fault Protection: Current limiting, over-load, over-temperature, over-voltage, and short-circuit safeguards.
• 78% Duty Cycle maximizes power delivery.
• Isolated Output ensures safety in sensitive applications.
• Surface-Mount (12ESOP) for space-constrained PCB designs.
• RoHS Compliant & REACH Unaffected, meeting global environmental standards.
• Wide Input Voltage Range suited for universal offline power supplies.

TOP268KG Applications

Ideal for industrial, consumer, and telecom power systems, the TOP268KG excels in:

• LED Drivers: High-efficiency constant-current/voltage designs.
• Adapter/Charger Circuits: Compact, high-power solutions for laptops and appliances.
• Auxiliary Power Supplies: Reliable bias power for motor drives and inverters.
• Smart Home Devices: Energy-efficient offline converters for IoT hubs.
  Its advanced protection features make it particularly suitable for mission-critical applications requiring fail-safe operation.

Conclusion of TOP268KG

The TOP268KG stands out as a versatile, high-reliability offline switcher, combining Power Integrations' proven topology with cutting-edge protection and efficiency. Its integrated MOSFET, fault resilience, and compact form factor make it a superior choice over discrete solutions, reducing BOM complexity. Whether for industrial power modules or consumer adapters, this IC delivers performance, safety, and compliance in a single package.

TOP268KG Documents

Download datasheets and manufacturer documentation for TOP268KG