TOP244PN

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IC OFFLINE SWITCH FLYBACK 8DIP

  • FabricanteIntegrações de Potência

  • Peça do Fabricante #TOP244PN

  • Pacote DIP-8

  • Em Estoque4187

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Especificações

Atributo Valor
Package Tube
Series TOPSwitch®-GX
ProductStatus Not For New Designs
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 700V
Topology Flyback
DutyCycle 66.5%
Frequency-Switching 66kHz ~ 132kHz
Power(Watts) 28 W
FaultProtection Current Limiting, Over Temperature, Over Voltage
ControlFeatures Frequency Control
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 8-DIP (0.300, 7.62mm), 7 Leads
SupplierDevicePackage 8-PDIP-B

Visão Geral

Description

The TOP244PN is a member of the TOPSwitch-GX family of integrated circuits designed by Power Integrations for use in power supply applications. It combines a high-voltage power MOSFET with a controller in a single package, enabling efficient and reliable switch-mode power supplies. The TOP244PN is commonly used in various applications, including adapters, chargers, and power supplies for industrial and consumer electronics.
Key features include:
1. High Efficiency: Minimized switching losses due to its highly integrated design, improving overall energy efficiency.
2. Reduced Component Count: Integrates multiple functions, reducing the need for external components and simplifying design.
3. Frequency Jittering: Helps reduce EMI emissions by spreading the frequency spectrum.
4. Advanced Protection Features: Includes auto-restart for overload protection, thermal shutdown, and over-voltage protection, enhancing reliability.
5. Programmable Current Limit: Allows customization based on specific application needs.
The TOP244PN is available in a DIP-8 package, making it suitable for through-hole mounting and easy integration into existing designs.

Equivalent

The TOP244PN is a member of the TOPSwitch-GX series of integrated offline switcher ICs. Equivalent products could include other variations within the TOPSwitch-GX family, such as TOP242PN, TOP243PN, or TOP245PN, which have similar functionalities but may offer different power ratings or features. Additionally, other manufacturers might offer equivalent ICs for similar applications, like the LNK series from Power Integrations or ON Semiconductor’s NCP series. Always check datasheets for compatibility.

Features

The TOP244PN is a member of the TOPSwitch-FX family, which are cost-effective and highly integrated off-line switcher ICs designed for power supply applications. Here are some key features of the TOP244PN:
1. Integrated Functions: Combines a high-voltage power MOSFET, PWM control, fault protection, and start-up circuitry into a single IC.
2. Ease of Use: Simplifies power supply design and reduces component count, offering a compact and reliable solution.
3. Efficiency: High efficiency through the use of a high-voltage MOSFET and optimized switching characteristics.
4. Protection Features: Includes auto-restart for overload protection, over-temperature shutdown, and output overvoltage protection.
5. Flexibility: Supports a wide range of input and output voltage configurations, making it suitable for various power supply designs.
6. Start-up and Shutdown: Efficient start-up circuitry and low power consumption during shutdown.
7. Package: Available in a PDIP-8 package, which is suitable for through-hole mounting.
8. Applications: Commonly used in applications like chargers, adapters, and standby power supplies.
These features make the TOP244PN versatile and efficient for small to medium power supply applications.

Pinout

The TOP244PN is an integrated circuit from the TOPSwitch-GX family, primarily used for power supply applications. It is housed in a DIP-8 (Dual In-line Package) configuration, meaning it has 8 pins. The functions of the pins are as follows:
1. SOURCE (Pin 1, 2, 3): These three pins are internally connected and serve as the primary current return path. They are also used for heat dissipation.
2. CONTROL (Pin 4): This pin is used for feedback and control of the switching operation. It allows the connection of an external capacitor to the SOURCE pin for setting the auto-restart timing.
3. V (Pin 5): This pin is not connected internally and is often used for noise shielding.
4. DRAIN (Pin 6, 7, 8): These pins are internally connected and function as the high-voltage power MOSFET switch output. The DRAIN pin is connected to the primary winding of the transformer.
The TOP244PN is designed for use in various power conversion applications, providing benefits such as high efficiency and a wide input voltage range.

Manufacturer

The TOP244PN is manufactured by Power Integrations, Inc. Power Integrations is a company that specializes in the development and production of high-performance electronic components. They are known for their focus on power conversion products, including integrated circuits used in AC-DC power supplies, LED lighting, and motor drive applications. Their products are widely used in a variety of industries, including consumer electronics, industrial applications, and telecommunications, to improve energy efficiency and reduce electronic component size and cost.

Application

The TOP244PN is a member of the TOPSwitch-GX family of integrated off-line switcher ICs used for efficient power conversion. It is commonly applied in:
1. AC-DC Power Supplies: Used in adapters and chargers for consumer electronics.
2. Industrial Power Systems: Employed in industrial control systems and instrumentation.
3. Standby Power Supplies: Utilized in energy-efficient designs for appliances.
4. Telecommunications: Powers networking equipment and telecom devices.
5. Home Appliances: Integrated into power circuits for household gadgets.
6. Battery Chargers: Used in designs requiring high efficiency and compact size.
7. LED Drivers: Supports power management in LED lighting systems.
Overall, it is favored for its high efficiency, reliability, and cost-effectiveness in various power supply applications.

Package

The TOP244PN is a power integrated circuit from the TOPSwitch-GX family by Power Integrations. It comes in a through-hole DIP-8 package, which is a Dual In-line Package with 8 pins.

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