TOP258GN-TL

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TOP258GN-TL

+物料清單

IC OFFLINE SWITCH FLYBACK 8SMD

  • 製造商包爾英特

  • 製造商部分 #TOP258GN-TL

  • 有存貨3730

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正品保證

規格

屬性 價值
Series TOPSwitch®-HX
PartStatus Active
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 700V
Topology Flyback
DutyCycle 78%
Frequency-Switching 66kHz
Power(Watts) 48 W
FaultProtection Current Limiting, Over Temperature, Over Voltage
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 8-SMD (7 Leads), Gull Wing
SupplierDevicePackage SMD-8C
MountingType Surface Mount
BaseProductNumber TOP258

概述

Description

The TOP258GN-TL is a member of the TOPSwitch-GX series, which are integrated offline switcher ICs designed for use in cost-effective, high-efficiency power supply applications. It integrates a high-voltage MOSFET, PWM controller, fault protection, and other control features into a single package, simplifying the design process and reducing component count.
Key features include a wide range of input voltage operation, which makes it suitable for universal input AC-DC power supplies. It offers enhanced performance with features like frequency jittering to reduce EMI, user-configurable current limit, and built-in protections including over-temperature, over-current, and over-voltage protection. The design enables the efficient conversion of power with minimal external components, leading to cost and space savings in power supply designs.
The TOP258GN-TL is particularly well-suited for applications such as adapters, chargers, and standby power supplies, where efficiency, reliability, and cost-effectiveness are critical. Its compact design and feature set make it a versatile solution for modern electronic devices.

Equivalent

The TOP258GN-TL chip is a member of the TOPSwitch-JX series by Power Integrations, typically used for high-efficiency power supply designs. Equivalent products would generally come from similar families or competing manufacturers. Equivalent or alternative products might include other members of the TOPSwitch family like TOP264 or TOP265, or comparable products by other manufacturers such as ON Semiconductor's NCP series or Infineon's CoolSET series. Always compare specifications to ensure compatibility.

Features

The TOP258GN-TL is a high-performance power management integrated circuit designed for efficient energy conversion in power supply applications. Key features include:
1. Integrated Controller and MOSFET: Combines a high-voltage power MOSFET and a power supply controller into a single package, reducing component count and simplifying design.
2. EcoSmart Technology: Provides high efficiency and low standby power consumption, helping to meet global energy efficiency standards.
3. Programmable Current Limit: Allows designers to set the current limit according to the application's needs, enhancing flexibility.
4. Thermal Shutdown Protection: Protects the device from overheating by automatically shutting down when it exceeds a certain temperature.
5. Auto-Restart Protection: Automatically restarts the device in case of fault conditions, increasing reliability and protecting against over-current and over-temperature conditions.
6. Wide Input Voltage Range: Supports a broad range of input voltages, making it suitable for various applications.
These features make the TOP258GN-TL ideal for use in offline flyback converters and power adapters, contributing to robust and efficient power supply designs.

Pinout

The TOP258GN-TL is a member of the TOPSwitch-HX family of integrated circuit devices designed by Power Integrations. It is used for power conversion in various applications. The device comes in an SMD (surface-mount device) package, specifically the SMD-8C package, which has 8 pins.
The functions of the pins are typically as follows:
1. High Voltage (DRAIN) - Used for high voltage power switching.
2. CONTROL - For feedback and control loop compensation.
3. SOURCE - Ground reference and high-voltage return.
4. BP/M (BYPASS/MULTI-FUNCTION) - Connects to an external capacitor for internal supply decoupling; used for line under-voltage programming and auto-restart frequency selection.
5. FREQUENCY - Sets switching frequency and can be used for jitter selection.
6. LINE-SENSE (L) - Used for start-up, line sensing, and under-voltage lockout.
7. EXTERNAL CURRENT LIMIT (X) - Provides external current limit programming.
8. V - Pin not always used in general applications; refer to datasheet for specific details.
These functions allow the TOP258GN-TL to manage and control efficient power conversion in electronic devices. For precise applications, it is recommended to consult the official datasheet.

Manufacturer

The manufacturer of the TOP258GN-TL is Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in the design and development of high-performance electronic components for power conversion systems. Their products are used in a wide range of electronics, including consumer electronics, appliances, LED lighting, and industrial applications. The company is known for its innovative solutions in the field of energy-efficient power supply, focusing on reducing energy consumption and increasing the efficiency of electronic devices.

Application

The TOP258GN-TL is a power management IC used in various applications. Its primary use is in power supply circuits, particularly in switch-mode power supplies (SMPS) for efficient energy conversion. Typical application areas include:
1. Consumer Electronics: Power adapters and chargers for devices like smartphones, tablets, and laptops.
2. Home Appliances: Power supply units for appliances such as microwaves, refrigerators, and washing machines.
3. Industrial Equipment: Power systems for machinery and control systems.
4. Lighting: LED drivers and lighting control systems.
5. IT Equipment: Power supplies for computers and networking devices.
Its advantage lies in its high efficiency, compact design, and reliable performance in reducing power consumption.

Package

The TOP258GN-TL is typically available in an SMD (Surface-Mount Device) package, specifically a 7-pin SO (Small Outline) package. This type of packaging is designed for efficient heat dissipation and compact layout in electronic circuit designs.