TOP267KG

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
Package: TO-220-7L
Essence: Offline Switcher with EcoSmart Technology
Packaging/Quantity: Tape and Reel, 800 units per reel

Specifications

Input Voltage Range: 85 VAC to 265 VAC
Output Power: Up to 25 W
Switching Frequency: 132 kHz
Operating Temperature Range: -40°C to +125°C
Protection Features: Overload Protection, Overvoltage Protection, Overtemperature Protection

Detailed Pin Configuration

Drain
Source
Feedback
Ground
VCC
Control
Sense

Functional Features

Integrated 700 V MOSFET
Built-in frequency jittering for EMI reduction
Auto-restart protection for short-circuit and open-loop faults
Cycle-by-cycle current limit
Adjustable output voltage
Soft-start function for controlled startup

Advantages

High efficiency up to 88%
Low standby power consumption (<100 mW)
Simplified design due to integrated features
Wide input voltage range allows global compatibility
Robust protection features ensure system reliability

Disadvantages

Relatively high cost compared to non-integrated solutions
Limited output power capability (up to 25 W)

Working Principles

The TOP267KG is an offline switcher IC that utilizes EcoSmart technology to provide efficient power management. It operates by converting the high input voltage from the AC mains into a regulated low-voltage DC output. The integrated MOSFET and control circuitry enable high efficiency and precise control of the output voltage. The device incorporates various protection features to ensure safe operation under different load conditions.

Detailed Application Field Plans

Power supplies for consumer electronics
LED lighting applications
Industrial power systems
Home appliances
Telecom and networking equipment

Alternative Models

TOP258PN: Offline Switcher with similar specifications, but in a different package (DIP-8)
TOP266EG: Offline Switcher with lower power capability (up to 15 W), but in the same package (TO-220-7L)
TOP269VG: Offline Switcher with higher power capability (up to 50 W), but in a different package (TO-220-5L)

Note: The above alternative models are provided as examples and may not cover all available options.

This entry provides an overview of the TOP267KG integrated circuit, including its product category, use, characteristics, package, and specifications. It also includes detailed information on pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням TOP267KG у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of TOP267KG in technical solutions:

Q: What is TOP267KG? A: TOP267KG is a highly integrated offline switcher IC designed for low-power applications.
Q: What are the typical applications of TOP267KG? A: TOP267KG is commonly used in power supplies for appliances, consumer electronics, LED lighting, and industrial equipment.
Q: What is the input voltage range supported by TOP267KG? A: TOP267KG supports a wide input voltage range from 85VAC to 265VAC.
Q: What is the maximum output power that can be achieved with TOP267KG? A: The maximum output power depends on the specific design and external components used, but it can typically reach up to 25W.
Q: Does TOP267KG require an external MOSFET? A: No, TOP267KG integrates a high-voltage power MOSFET, eliminating the need for an external one.
Q: Can TOP267KG operate in continuous or discontinuous conduction mode? A: TOP267KG can operate in both continuous and discontinuous conduction modes, providing flexibility in different load conditions.
Q: Is TOP267KG suitable for flyback converter designs? A: Yes, TOP267KG is specifically designed for flyback converter applications and offers excellent performance in this configuration.
Q: Does TOP267KG have built-in protection features? A: Yes, TOP267KG incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can TOP267KG be used in designs requiring high efficiency? A: Absolutely, TOP267KG is designed to achieve high efficiency levels, making it suitable for energy-efficient applications.
Q: Are evaluation boards or reference designs available for TOP267KG? A: Yes, Power Integrations, the manufacturer of TOP267KG, provides evaluation boards and reference designs to assist in the development process.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.