TOP246GN-TL

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High Efficiency, Low Standby Power, Overload Protection
Package: TO-220-7C
Essence: Switching Regulator
Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

Input Voltage Range: 85VAC to 265VAC
Output Power: Up to 45W
Frequency Range: 50Hz to 60Hz
Operating Temperature Range: -40°C to +150°C
Efficiency: Up to 88%
Standby Power: Less than 100mW

Detailed Pin Configuration

Drain
Source
Feedback
Ground
VCC
Control
Sense

Functional Features

Primary-Side Regulation (PSR) Control
Built-in Frequency Jittering for EMI Reduction
Auto-Restart Protection for Overload and Short-Circuit Conditions
Cycle-by-Cycle Current Limiting
Line Under-Voltage Lockout (UVLO)
Thermal Shutdown Protection

Advantages

High Efficiency leads to reduced power consumption and lower operating costs.
Low Standby Power minimizes energy wastage during idle periods.
Overload Protection ensures safe operation under heavy load conditions.
Primary-Side Regulation simplifies the design and reduces component count.

Disadvantages

Limited output power of up to 45W may not be suitable for high-power applications.
Operating temperature range of -40°C to +150°C may restrict usage in extreme environments.

Working Principles

The TOP246GN-TL is a switching regulator IC that utilizes primary-side regulation (PSR) control. It operates by converting the input AC voltage into high-frequency pulses, which are then rectified and filtered to provide a regulated DC output voltage. The PSR control eliminates the need for an optocoupler or secondary-side feedback circuitry, simplifying the design and reducing costs.

Detailed Application Field Plans

The TOP246GN-TL is commonly used in various power management applications, including:

AC-DC Adapters
LED Lighting
Set-Top Boxes
Audio Amplifiers
Industrial Power Supplies

Detailed and Complete Alternative Models

TOP245GN-TL
TOP247GN-TL
TOP248GN-TL
TOP249GN-TL

These alternative models offer similar functionality and specifications, providing flexibility in design choices.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TOP246GN-TL i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of TOP246GN-TL in technical solutions:

Q: What is TOP246GN-TL? A: TOP246GN-TL is a highly integrated offline switcher IC (integrated circuit) designed for low power applications.
Q: What are the typical applications of TOP246GN-TL? A: TOP246GN-TL is commonly used in applications such as power supplies, LED lighting, battery chargers, and industrial controls.
Q: What is the maximum output power that TOP246GN-TL can handle? A: TOP246GN-TL can handle a maximum output power of up to 110 W.
Q: What is the input voltage range supported by TOP246GN-TL? A: The input voltage range supported by TOP246GN-TL is typically between 85 VAC and 265 VAC.
Q: Does TOP246GN-TL require an external MOSFET? A: Yes, TOP246GN-TL requires an external MOSFET to function properly.
Q: Can TOP246GN-TL operate in a wide temperature range? A: Yes, TOP246GN-TL has a wide operating temperature range of -40°C to +150°C.
Q: Is TOP246GN-TL suitable for flyback converter designs? A: Yes, TOP246GN-TL is specifically designed for flyback converter applications.
Q: Does TOP246GN-TL have built-in protection features? A: Yes, TOP246GN-TL includes various built-in protection features such as overvoltage protection, overload protection, and thermal shutdown.
Q: Can TOP246GN-TL be used in high-efficiency power supply designs? A: Yes, TOP246GN-TL is known for its high efficiency and can be used in high-efficiency power supply designs.
Q: Are there any reference designs available for TOP246GN-TL? A: Yes, the manufacturer provides reference designs and application notes to assist with the implementation of TOP246GN-TL in various technical solutions.

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