TOP244GN-TL

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TOP244GN-TL

IC OFFLINE SWITCH FLYBACK 8SMD

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  • Mfr. Partie #TOP244GN-TL
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  • En stock6066

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Spécifications

Series TOPSwitch®-GX
Part Status Not For New Designs
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Duty Cycle 66.5%
Frequency - Switching 66kHz ~ 132kHz
Power (Watts) 28 W
Fault Protection Current Limiting, Over Temperature, Over Voltage
Control Features Frequency Control
Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 8-SMD (7 Leads), Gull Wing
Supplier Device Package SMD-8B
Mounting Type Surface Mount
Base Product Number TOP244

Vue d'ensemble

Description

The TOP244GN-TL is a high-performance, integrated circuit (IC) designed for switch-mode power supply (SMPS) applications. It belongs to the TOPSwitch family of devices, which combine a power MOSFET with a controller in a single package, making it ideal for designing efficient power converters. The device features a wide input voltage range (typically 85-265 VAC), high output power capability (up to 100W), and integrated protection features such as over-voltage, over-current, and thermal shutdown.
With a frequency operation of up to 132 kHz, the TOP244GN-TL enables compact transformer designs and enhances efficiency. Its built-in soft-start function helps to reduce inrush current during power-up, further improving reliability. The device is commonly used in applications like LED drivers, battery chargers, and consumer electronics due to its compact size and robust performance.
Overall, the TOP244GN-TL is a versatile and efficient solution for engineers looking to design reliable power supplies with minimal external components.

Features

The TOP244GN-TL is a high-performance, integrated circuit primarily used in switch-mode power supplies. Key features include:
1. High Voltage Operation: It supports a wide input voltage range from 85 V to 265 V AC, making it suitable for various applications.
2. Built-in High-Voltage Start-Up: It integrates a high-voltage start-up circuit, reducing external component count.
3. PWM Control: The chip employs pulse width modulation (PWM) control for efficient power conversion.
4. Integrated MOSFET: It includes a high-voltage power MOSFET, simplifying design and enhancing reliability.
5. Adjustable Frequency: The oscillator frequency can be configured between 100 kHz and 130 kHz.
6. Over-Voltage Protection: Features over-voltage and over-current protection mechanisms for enhanced safety.
7. Temperature Compensation: The device includes thermal shutdown capabilities to prevent overheating.
These features make the TOP244GN-TL ideal for applications such as adapters, chargers, and industrial power supplies.

Package

The TOP244GN-TL is packaged in a DIP-8 (Dual In-line Package) format, which has eight pins and is designed for through-hole mounting on PCBs.

Pinout

The TOP244GN-TL is a power supply integrated circuit (IC) that features a total of 8 pins. Here’s a summary of the pin functions:
1. Pin 1 (DRAIN): Connects to the drain of the internal power MOSFET.
2. Pin 2 (SOURCE): Connects to the source of the internal power MOSFET, typically tied to the ground.
3. Pin 3 (GND): Ground reference for the IC and controls the internal circuitry.
4. Pin 4 (SENSE): Used for current sensing to improve regulation and protection.
5. Pin 5 (COMP): Compensation pin for the control loop stability.
6. Pin 6 (RT): Timing resistor pin, used for setting the switching frequency.
7. Pin 7 (VCC): Supply voltage pin for the IC, which powers the internal circuits.
8. Pin 8 (BYPASS): Bypass capacitor connection to stabilize the VCC voltage.
This IC is commonly used in switch-mode power supply applications due to its efficiency and integrated features.

Manufacturer

The TOP244GN-TL is manufactured by Power Integrations, Inc. Power Integrations is a global leader in high-voltage integrated circuits for energy-efficient power conversion. The company specializes in developing innovative semiconductor solutions for a wide range of applications, including consumer electronics, industrial equipment, and renewable energy. Founded in 1988 and based in San Jose, California, Power Integrations focuses on providing efficient and reliable power management solutions, emphasizing reducing energy consumption and minimizing environmental impact. Their products are widely used in AC-DC power supplies and other energy-efficient designs.

Application

The TOP244GN-TL is a power integrated circuit used primarily in switch-mode power supplies (SMPS). Its application areas include offline power converters, LED drivers, battery chargers, and appliances requiring efficient power management. It is suitable for low- to medium-power applications, providing features like high voltage operation, current limiting, and thermal protection, making it ideal for consumer electronics, industrial equipment, and telecommunications.

Equivalent

The TOP244GN-TL is a power IC used for off-line switching power supplies. Equivalent products include the TOP245GN, TOP246GN, and TOP247GN, which offer similar features with varying output power and voltage specifications. Additionally, alternatives from other manufacturers, such as the LM2576 series from Texas Instruments or the NCP1200 series from ON Semiconductor, may also serve similar applications, though they may have different specifications. Always verify compatibility with the specific application requirements.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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