TOP242PN Datasheet Summary

Product Overview

• Family: TOPSwitch-GX
• Model: TOP242PN
• Package: Plastic DIP-8B

Key Features

• Extended Power Range: Suitable for higher power applications.
• No Heatsink Required: Up to 34 W using P/G packages.
• Cost Reduction: Features eliminate or reduce the cost of external components.
• Fully Integrated Soft-Start: Minimizes stress and overshoot during startup.
• Externally Programmable Current Limit: Accurate current limit adjustment.
• Wider Duty Cycle: Allows for more power and smaller input capacitor.
• Separate Line Sense and Current Limit Pins: Available on Y/R/F packages.
• Line Under-Voltage (UV) Detection: Prevents turn-off glitches.
• Line Overvoltage (OV) Shutdown: Extends line surge limit.
• Line Feed-Forward with DCMAX Reduction: Reduces line ripple and limits DCMAX at high line.
• Frequency Jittering: Reduces EMI and EMI filtering costs.
• Regulates to Zero Load: Without dummy loading.
• 132 kHz Frequency: Reduces transformer and power supply size.
• Half Frequency Option: 66 kHz available for video applications.
• Hysteretic Thermal Shutdown: Automatic fault recovery.
• Large Thermal Hysteresis: Prevents PC board overheating.

Output Power Ratings

• Adapter (230 VAC ±15%): 9 W
• Open Frame (230 VAC ±15%): 15 W
• Adapter (85-265 VAC): 6.5 W
• Open Frame (85-265 VAC): 11 W

Package Details

• Package Type: Plastic DIP-8B
• Pin Configuration: 8 pins, with a single point (Kelvin) connection at the negative terminal of the input filter capacitor for the SOURCE pin and bias winding return.

Applications

• Ideal for a wide range of applications including notebook or laptop adapters, printers, LCD monitors, set-top boxes, PC or LCD TV standby, and audio amplifiers.

Ordering Information

• Part Number: TOP242PN
• Package: Plastic DIP-8B
• Lead Finish: Standard (Sn Pb)