TOP232GN

TOP232GN - TOPSwitch-FX Offline Switching Power Supply IC

The TOP232GN from Power Integrations is a high-performance offline switcher IC from the renowned TOPSwitch-FX family, engineered for cost-effective, space-saving AC-DC power conversion in applications up to 15W. This industry-proven component integrates a 700V power MOSFET with advanced control and protection circuitry, delivering exceptional reliability for demanding power supply designs.

Key Features & Benefits

• Integrated 700V Power MOSFET - Dramatically reduces component count, board space, and design complexity
• 15W Output Power Capability - Optimized for low to medium power applications across multiple industries
• Proven Flyback Topology - Industry-standard, reliable design for isolated power supplies with excellent performance
• 66kHz to 132kHz Switching Frequency - Enables compact, efficient transformer design while minimizing audible noise
• Comprehensive Built-in Protection - Integrated current limiting, over-temperature shutdown, and over-voltage protection ensure safe, reliable operation
• 78% Maximum Duty Cycle - Optimized for efficient power transfer and reduced transformer size
• Intelligent Frequency Control - Adaptive switching frequency improves efficiency across varying load conditions
• Wide Operating Temperature Range - -40°C to 150°C (TJ) for demanding industrial and automotive environments
• Surface Mount Package - SMD-8B (8-pin gull wing) facilitates automated assembly and reduces manufacturing costs
• RoHS Compliant - Environmentally friendly, lead-free construction meets global regulatory requirements

Typical Applications

• AC-DC adapters and battery chargers for consumer electronics
• Auxiliary and standby power supplies for appliances and industrial equipment
• Smart home devices and IoT applications
• LED lighting drivers and control systems
• Industrial control and automation systems
• White goods and home appliances
• Set-top boxes and networking equipment
• Medical and healthcare devices (non-critical applications)

Why Choose TOP232GN?

The TOP232GN simplifies power supply design by integrating the high-voltage switching element, sophisticated control circuitry, and comprehensive protection features into a single compact package. This high level of integration significantly reduces design complexity, lowers bill-of-materials costs, improves system reliability, and accelerates time-to-market. The TOPSwitch-FX family has been deployed in millions of applications worldwide, earning a reputation for consistent performance, exceptional reliability, and design flexibility.

Power Integrations' proprietary EcoSmart™ technology ensures the TOP232GN delivers industry-leading efficiency and meets stringent energy efficiency standards including Energy Star, DoE Level VI, and CoC Tier 2 requirements.

Quality, Authenticity & Traceability Guarantee

We supply only 100% genuine Power Integrations components with full traceability documentation and quality assurance. Each TOP232GN IC is sourced exclusively from authorized distributors and comes with manufacturer warranty support. All products include:

• Certificate of Conformance (C of C) available upon request
• Full lot traceability and date code documentation
• Anti-counterfeit verification
• Manufacturer's standard warranty coverage
• Technical support from our experienced engineering team

Design Support & Resources

Our applications engineering team is available to assist with:

• Reference design selection and customization
• Component selection and BOM optimization
• PCB layout review and recommendations
• Thermal analysis and design validation
• Compliance testing support (EMI/EMC, safety standards)
• Volume pricing and supply chain solutions

Need technical support, application notes, or custom quantities? Contact our engineering team for personalized design assistance, comprehensive documentation, and competitive volume pricing for production quantities.

• TOP232GN.pdf