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

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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: Parameter Value IC Type Offline PWM Switch Series TOP Switch-II Package DIP-8B (P Package) Number of Pins 7 Input Voltage Range 85V – 265V AC Breakdown Voltage ~700V Output Power Range Medium power applications Switching Frequency ~100 kHz Mounting Type Through-hole Operating Temperature -40°C to 150°C Pinout: Pin Name 1 M 2 S 3 S 4 C 5 D 6 Not specified 7 S 8 S 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.