TOP244GN-TL

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TOP244GN-TL

+BOM

IC OFFLINE SWITCH FLYBACK 8SMD

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  • 제조업체 부품 #TOP244GN-TL

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사양

속성 가치
Series TOPSwitch®-GX
PartStatus 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-SMD (7 Leads), Gull Wing
SupplierDevicePackage SMD-8B
MountingType Surface Mount
BaseProductNumber TOP244

개요

Description

The TOP244GN-TL is a member of the TOPSwitch-GX family from Power Integrations, designed for high-efficiency power conversion in AC-DC applications. It integrates a high-voltage power MOSFET and control circuitry on a single chip, simplifying the design of switching power supplies. The chip supports power supply designs with a range of 30W to 250W, depending on the design configuration and cooling methods.
Key features include integrated soft-start, frequency jittering for reduced EMI, and a built-in current limit. It also offers various protection mechanisms like over-temperature, over-current, and over-voltage protection. The device operates over a wide input voltage range, making it suitable for global power supply applications.
The TOP244GN-TL comes in a compact DIP-8 package for through-hole mounting, facilitating ease of integration into circuit boards. Its design reduces the number of external components required, enhancing reliability and reducing overall system cost. This makes it ideal for use in applications such as industrial power supplies, adapters, and consumer electronics.

Equivalent

The TOP244GN-TL is a member of the TOPSwitch-GX family of power conversion ICs by Power Integrations. Equivalent products might include other models in the TOPSwitch-GX series, such as the TOP243 or TOP245, which have similar functionality but different power ratings. However, for exact equivalents, consider other manufacturers' off-line switcher ICs with similar specifications, such as ON Semiconductor's NCP1200 series or STMicroelectronics' VIPer series. Always verify pin compatibility and electrical specifications before substituting.

Features

The TOP244GN-TL is a member of the TOPSwitch-GX family, which are high-performance, integrated offline switcher ICs. Key features include:
1. Integrated Design: Combines a high voltage power MOSFET, PWM control, fault protection, and other control circuitry, reducing component count and simplifying the design.
2. Wide Range: Supports wide input voltage ranges, making it suitable for worldwide applications.
3. Efficiency: High efficiency operation with low standby power consumption, meeting energy efficiency standards.
4. Frequency Jittering: Reduces EMI without affecting performance.
5. Overload Protection: Offers auto-restart for overload and open-loop protection, enhancing system reliability.
6. Thermal Shutdown: Built-in over-temperature protection.
7. Soft Start: Limits current surge and reduces stress on components at start-up.
8. Current Limiting: Adjustable current limit for flexibility in design.
9. Applications: Ideal for power supplies in consumer electronics, PCs, industrial systems, and more.
These features make the TOP244GN-TL a versatile solution for power supply applications, offering reliability, efficiency, and simplicity.

Pinout

The TOP244GN-TL is part of the TOPSwitch-GX series by Power Integrations, which are integrated offline switcher ICs. Typically, these ICs come in various package types, with the GN version being a surface mount package.
For the TOP244GN-TL, it is housed in an 8-pin SO-8 package. Here’s a brief overview of the pin functions:
1. D (Drain): High-voltage power MOSFET drain output.
2. S (Source): Power MOSFET source; primary return.
3. EN/UV (Enable/Undervoltage): Dual function pin; used as enable and undervoltage lockout.
4. NC (No Connect): Not internally connected.
5. NC (No Connect): Not internally connected.
6. V (Voltage): Provides power to the IC by an internal high-voltage current source.
7. C (Control): Error amplifier and feedback input; controls the duty cycle.
8. BP (Bypass): Connection point for an external bypass capacitor for the internally-generated supply voltage.
These ICs are used for efficient power conversion in applications such as power supplies, offering features like over-voltage, over-current, and over-temperature protections.

Manufacturer

The TOP244GN-TL is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in designing and manufacturing high-performance electronic components, primarily focusing on power conversion. Established in 1988 and headquartered in San Jose, California, the company is known for its innovative technologies that improve the energy efficiency of electronic devices. They provide integrated circuits used in power conversion systems, offering solutions for a wide range of applications including consumer electronics, appliances, industrial applications, and renewable energy systems.

Application

The TOP244GN-TL is a member of the TOPSwitch-GX family of integrated offline switcher ICs. It is commonly used in power supply applications requiring efficient power conversion. Key application areas include:
1. AC-DC Power Supplies: Used in chargers, adapters, and general-purpose power supplies for consumer electronics.
2. Standby and Auxiliary Supplies: Suitable for powering standby systems in TVs, monitors, and appliances.
3. Telecommunications: Employed in power supply units for telecom equipment.
4. Industrial Systems: Utilized in powering industrial control systems and instrumentation.
5. LED Drivers: Implemented in power circuitry for LED lighting solutions.
These applications benefit from the IC's high efficiency, low component count, and ease of design.

Package

The TOP244GN-TL is a Power Integrations IC, and it comes in a surface-mount package type known as SMD (Surface-Mount Device). Specifically, it uses an 8-pin SMD package, often referred to as SO-8 or SOIC-8, which is designed for mounting directly onto the surface of printed circuit boards (PCBs).

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