TOP258PN

The TOP258PN is a high-performance, integrated power switch designed for offline power supply applications. It is primarily used in switch-mode power supplies (SMPS) for various devices, including consumer electronics, appliances, and industrial equipment. This device combines a high-voltage MOSFET with a controller, simplifying the design and reducing components.
Key features of the TOP258PN include a wide input voltage range, efficient power conversion, and built-in protection mechanisms such as over-voltage protection, over-temperature protection, and current limiting. It operates with a frequency of up to 100 kHz, facilitating compact designs and effective energy transfer.
The chip supports multiple topologies, including flyback and forward converters, making it versatile for different applications. Its integrated features enhance reliability while improving overall system performance. Additionally, the TOP258PN supports energy-saving modes, which help meet energy efficiency standards.
Overall, the TOP258PN is a robust solution for designers seeking efficient and reliable power supply solutions in compact form factors.

The TOP258PN is a high-voltage integrated circuit designed for switch mode power supplies (SMPS) and offers several key features:
1. Power Range: Supports power supply designs up to 85 W.
2. Integrated Functions: Combines a high-voltage MOSFET with a PWM controller in a single package.
3. High Efficiency: Minimizes power loss, enhancing overall system efficiency.
4. Wide Input Voltage: Operates with a wide input voltage range of 85 to 265 VAC.
5. Frequency Modulation: Offers frequency jittering to reduce EMI emissions.
6. Built-in Protection: Includes over-voltage, over-temperature, and short-circuit protections to ensure reliability.
7. Easy Implementation: Simplifies the design process with minimal external components needed.
8. Low Standby Power: Achieves low standby consumption, adhering to energy efficiency standards.
The TOP258PN is ideal for applications in consumer electronics, adapters, and other power supply needs, providing a compact and efficient solution for designers.

The TOP258PN is packaged in a DIP-8 (Dual In-line Package) format. This type of package features eight pins arranged in two rows, making it suitable for through-hole mounting on printed circuit boards.

The TOP258PN is a high-voltage power IC designed for switch-mode power supply applications. It features a total of 8 pins.
Pin Functions:
1. Drain (D) - Connects to the primary winding of the transformer.
2. Source (S) - Connects to the ground.
3. Gate (G) - Controls the switching of the power MOSFET.
4. VDD - Supply voltage input for the IC.
5. GND - Ground reference for the device.
6. CSN (Current Sense Negative) - Used for current sensing in control loops.
7. CSP (Current Sense Positive) - Another pin for current sensing to provide feedback.
8. OUT - Output for feedback signal in voltage regulation.
This IC integrates a power MOSFET and offers features such as current mode control, making it suitable for isolated and non-isolated converter designs.

The TOP258PN is manufactured by Power Integrations, Inc. Power Integrations is a technology company that specializes in developing high-performance electronic components, primarily for power management applications. Founded in 1988, the company is known for its innovative integrated circuits designed for energy-efficient power supplies, LED drivers, and various other applications in consumer electronics, industrial equipment, and telecommunications. Power Integrations focuses on providing solutions that help reduce energy consumption and minimize environmental impact, aligning with global trends towards sustainability and energy efficiency.

The TOP258PN is a high-voltage integrated circuit primarily used for power supply applications, including:
1. Switching Power Supplies: For AC-DC converters and LED drivers.
2. Telecommunications: Powering communication devices and systems.
3. Consumer Electronics: Adapters and chargers for various devices.
4. Industrial Equipment: In automation and control systems.
5. Home Appliances: Energy-efficient power supplies in appliances.
Its features like voltage regulation and overcurrent protection make it versatile for these applications.

The TOP258PN chip is a power supply controller used in various applications. Equivalent products include the TOPSwitch series from Power Integrations such as TOP253, TOP254, and TOP257. Other alternatives may include the NCP1200 series from ON Semiconductor and the UC3842 from Texas Instruments. Always verify specifications for compatibility in your specific application.