TOP222YN

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TOP222YN

IC OFFLINE SW MULT TOP TO220-3

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tube
Series TOPSwitch®-II
ProductStatus Not For New Designs
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 700V
Topology Boost, Buck, Flyback, Forward
DutyCycle 67%
Frequency-Switching 100kHz
Power(Watts) 25 W
FaultProtection Current Limiting, Over Temperature
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case TO-220-3
SupplierDevicePackage TO-220-3

Tổng quan

Description

The TOP222YN is a high-performance integrated circuit designed for offline switched-mode power supplies (SMPS). It combines a high-voltage power MOSFET and a control circuit in a single package, making it ideal for applications like adapters, chargers, and small power supplies. The device operates in a flyback topology, offering features such as built-in over-voltage protection, under-voltage lockout, and thermal shutdown for enhanced safety and reliability.
With a wide input voltage range, the TOP222YN is capable of producing output power up to 50 watts, depending on the application and configuration. It supports various output types including constant voltage and constant current, and is suitable for powering LED drivers, consumer electronics, and industrial applications. The device also incorporates frequency jittering to minimize electromagnetic interference (EMI), ensuring compliance with regulatory standards. Overall, the TOP222YN is a versatile solution for efficient and compact power conversion.

Features

The TOP222YN is a high-performance integrated circuit designed for off-line flyback converters. Key features include:
1. High Voltage Start-Up: Operates from a wide range of input voltages, up to 1000V.
2. Integrated PWM Controller: Provides precise regulation with minimal external components.
3. Current Limiting: Includes built-in overcurrent protection, ensuring safety during operation.
4. Automatic Restart: Features a fault protection mechanism that resets automatically after a fault condition.
5. Low Standby Power: Designed for energy efficiency, minimizing power consumption during idle phases.
6. Frequency Jittering: Reduces electromagnetic interference (EMI) by varying the switching frequency.
7. Thermal Shutdown: Protects the device from overheating by shutting down the operation at high temperatures.
8. Compact Package: Housed in a DIP-8 package, making it suitable for space-constrained applications.
These features make the TOP222YN ideal for applications in power supplies, chargers, and other energy-efficient systems.

Package

The TOP222YN is packaged in a DIP-8 (Dual In-line Package) format, which features 8 pins. This configuration allows for easy handling and integration into various electronic circuits.

Pinout

The TOP222YN is a power MOSFET controller used in switch-mode power supplies. It features a total of 8 pins with the following functions:
1. Drain (D) - Connects to the high-voltage input and is where the main switching occurs.
2. Source (S) - Connects to the ground or negative side of the power supply.
3. Gate (G) - Controls the switching of the MOSFET.
4. Bulk (B) - For bulk capacitor connection, helps in stabilizing the voltage.
5. VDD - Supplies power to the internal circuitry of the IC, typically connected to an external capacitor.
6. VREF - Provides a reference voltage output and can be used to power low-current devices.
7. CS (Current Sense) - Connects to a resistor to monitor the output current for overcurrent protection.
8. RT (Timing Resistor) - Connects to an external resistor to set the frequency of operation.
This IC is designed for applications like flyback converters, making it suitable for various power supply designs.

Manufacturer

The TOP222YN is manufactured by Power Integrations, Inc., a company specializing in high-performance electronic components for power conversion. Founded in 1985 and headquartered in San Jose, California, Power Integrations focuses on designing innovative products that improve energy efficiency in power supplies. Their offerings include integrated circuits for switching power supplies, LED drivers, and other applications within the power management sector. The company is well-regarded for its commitment to sustainability and has a strong presence in the renewable energy market.

Application

The TOP222YN is a high-voltage integrated circuit primarily used in switch-mode power supplies (SMPS). Its application areas include power adapters, battery chargers, and LED drivers. It is suitable for consumer electronics, industrial equipment, and telecom applications due to its efficiency in voltage regulation and ability to handle high power outputs. Additionally, it is used in isolated and non-isolated designs, providing compact and reliable solutions for various power conversion needs.

Equivalent

The TOP222YN chip is a popular integrated circuit used for power supply applications. Equivalent products include the TOP224YN, TOP226YN, and the NCP1200 series from ON Semiconductor. Additionally, the LNK304PN and LNK305PN from Power Integrations may also serve similar functions in specific applications. Always verify pin compatibility and specifications before substituting.

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