TOP267VG

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
Package: TO-220
Essence: Switching Regulator Controller
Packaging/Quantity: Tube/50 pieces

Specifications

Input Voltage Range: 85VAC to 265VAC
Output Voltage Range: 5VDC to 24VDC
Switching Frequency: 132kHz to 200kHz
Maximum Output Power: 25W
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

VCC: Supply voltage input
GND: Ground reference
FB: Feedback pin for output voltage regulation
COMP: Compensation pin for loop stability
CS: Current sense input for overcurrent protection
DRAIN: High-voltage power MOSFET drain connection
SOURCE: High-voltage power MOSFET source connection
VREF: Reference voltage output

Functional Features

Integrated high-voltage power MOSFET
Built-in frequency jittering for reduced EMI
Auto-restart protection for overvoltage and overcurrent conditions
Cycle-by-cycle current limit
Adjustable output voltage through external resistors
Soft-start for controlled startup

Advantages

High efficiency conversion
Low standby power consumption
Wide input voltage range allows for global compatibility
Compact TO-220 package for easy integration
Robust protection features ensure reliable operation

Disadvantages

Requires external components for complete power supply design
Limited maximum output power of 25W

Working Principles

The TOP267VG is a switching regulator controller that utilizes a high-voltage power MOSFET to efficiently convert the input voltage into a regulated output voltage. It operates by controlling the duty cycle of the power MOSFET based on feedback from the output voltage. The integrated circuit includes various protection features such as overvoltage and overcurrent protection, ensuring safe operation under different load conditions.

Detailed Application Field Plans

The TOP267VG is commonly used in various applications requiring power management, such as:

AC-DC power supplies
LED lighting systems
Industrial control systems
Consumer electronics
Telecommunications equipment

Detailed and Complete Alternative Models

TOP258PN: Similar functionality with different pin configuration
TOP266EG: Lower maximum output power but higher efficiency
TOP269VG: Higher maximum output power but larger package size

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van TOP267VG in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of TOP267VG in technical solutions:

Q: What is TOP267VG? A: TOP267VG is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.
Q: What are the key features of TOP267VG? A: The key features of TOP267VG include high efficiency, wide input voltage range, integrated protection features, and compact size.
Q: What are the typical applications of TOP267VG? A: TOP267VG is commonly used in applications such as power supplies for consumer electronics, LED lighting, industrial controls, and home appliances.
Q: What is the maximum output power that TOP267VG can handle? A: TOP267VG can handle a maximum output power of up to 25 watts, depending on the specific application and design considerations.
Q: Does TOP267VG support universal input voltage range? A: Yes, TOP267VG supports a wide universal input voltage range typically from 85VAC to 265VAC, making it suitable for global applications.
Q: What are the advantages of using TOP267VG in power supply designs? A: Some advantages of using TOP267VG include high efficiency, low standby power consumption, built-in protection features, and simplified circuit design.
Q: Can TOP267VG operate in a wide temperature range? A: Yes, TOP267VG is designed to operate reliably in a wide temperature range, typically from -40°C to +125°C.
Q: Does TOP267VG have built-in protection features? A: Yes, TOP267VG incorporates various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
Q: What is the typical efficiency of TOP267VG? A: The typical efficiency of TOP267VG can reach up to 90%, depending on the specific operating conditions and load requirements.
Q: Are there any reference designs available for TOP267VG? A: Yes, the manufacturer provides reference designs and application notes that can help engineers in implementing TOP267VG in their designs effectively.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer of TOP267VG.