TOP226YN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High voltage power supply control
  • Low standby power consumption
  • Wide input voltage range
  • Over-temperature protection
• Package: TO-220
• Essence: Offline Switcher
• Packaging/Quantity: Tube/50 pieces

Specifications

• Input Voltage Range: 85VAC to 265VAC
• Output Power: Up to 45W
• Switching Frequency: 132kHz
• Operating Temperature Range: -40°C to +150°C
• Standby Power Consumption: Less than 30mW

Detailed Pin Configuration

The TOP226YN IC has a total of 7 pins. The pin configuration is as follows:

1. Drain (D)
2. Source (S)
3. Feedback (FB)
4. Ground (GND)
5. Output (OUT)
6. Control (CTL)
7. Sense (SENSE)

Functional Features

• Integrated high-voltage power MOSFET
• Built-in frequency jittering for low EMI
• Auto-restart protection for short-circuit and open-loop faults
• Line undervoltage lockout with hysteresis
• Over-temperature shutdown with auto-restart

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size and easy to integrate - Wide input voltage range allows for global compatibility - Low standby power consumption reduces energy waste

Disadvantages: - Requires external components for complete power supply design - Limited output power compared to higher-rated devices - Not suitable for high-power applications

Working Principles

The TOP226YN is an offline switcher IC that operates by converting high-voltage AC input into a regulated DC output. It utilizes a high-voltage power MOSFET to switch the input voltage at a high frequency, typically 132kHz. The integrated control circuitry ensures efficient power conversion and provides various protection features.

Detailed Application Field Plans

The TOP226YN is commonly used in various power management applications, including:

1. AC-DC power supplies for consumer electronics
2. LED lighting drivers
3. Industrial power systems
4. Offline battery chargers
5. Auxiliary power supplies

Detailed and Complete Alternative Models

1. TOP227YN: Similar specifications and features, but with higher output power capability.
2. TOP224YN: Lower output power capability, suitable for low-power applications.
3. TOP223YN: Similar specifications and features, but with lower standby power consumption.

These alternative models provide flexibility in choosing the appropriate IC based on specific application requirements.

In conclusion, the TOP226YN is an integrated circuit designed for power management applications. Its high voltage control, low standby power consumption, and wide input voltage range make it suitable for various applications. However, it has limitations in terms of output power and requires external components for complete power supply design. Overall, the TOP226YN offers efficient power conversion and reliable performance in its target applications.