TOP234PN Offline PWM Switching Power Supply 5.85V 1.5mA IC DIP-8B

TOP234PN Offline PWM Switching Power Supply 5.85V 1.5mA IC DIP-8B

The TOP234PN is part of the TOP Switch-II family, integrating a high-voltage power MOSFET, PWM controller, oscillator, and protection circuitry into a single compact device. This integration significantly reduces external component count and simplifies the design of switch-mode power supplies (SMPS). It is specifically designed for offline applications, allowing direct operation from rectified AC mains, making it ideal for compact and cost-effective power solutions.

This IC is optimized for high-efficiency power conversion in fly back and forward converter topologies. It features built-in protection mechanisms such as auto-restart, thermal shutdown, and current limiting, ensuring safe and reliable operation even under fault conditions. The DIP-8B package enhances thermal performance and ease of PCB mounting, making it widely used in consumer electronics, adapters, and industrial power supplies.

Features:

• Integrated high-voltage power MOSFET.
• Built-in PWM controller and oscillator.
• Reduced external component requirement.
• Auto-restart protection.
• Thermal shutdown protection.
• Cycle-by-cycle current limiting.
• High efficiency operation.
• Suitable for offline SMPS designs.
• Stable performance across load variations.
• Compact and reliable design.

Specifications:

Pinout:

Applications:

• AC-DC power supplies.
• Battery chargers.
• Adapters.
• TV and monitor power supplies.
• Industrial SMPS systems.
• Consumer electronics.

Packages Included:

• 1x TOP234PN Offline PWM Switching Power Supply 5.85V 1.5mA IC DIP-8B.

Documents:

• TOP234PN.