TOP223YN

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TOP223YN

IC OFFLINE SW MULT TOP TO220-3

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Specifications

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) 50 W
FaultProtection Current Limiting, Over Temperature
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case TO-220-3
SupplierDevicePackage TO-220-3

Overview

Description

The TOP223YN is a high-voltage, integrated circuit designed for offline switch mode power supplies. It operates as a low-power, current-mode, step-down (buck) converter, suitable for various applications such as power adapters, battery chargers, and industrial power supplies.
Key features include a wide input voltage range (up to 100V), built-in 28V power switch, and a maximum output current of around 1A. The chip incorporates various protections such as over-voltage, over-current, and thermal shutdown, ensuring reliability and safety in operation.
It also features a simple design with few external components required, making it cost-effective and easy to implement. The TOP223YN operates in a self-oscillating mode, eliminating the need for external oscillator circuits.
Overall, this component is valued for its efficiency, compact size, and versatility in powering low to medium-power electronic devices.

Features

The TOP223YN is a high-voltage, power switch designed for use in flyback converters and other power supply applications. Key features include:
1. Integrated Circuit: Combines a high-voltage power MOSFET with a control circuit for efficient operation.
2. High Voltage Rating: Supports up to 100V, making it suitable for various applications.
3. Output Power: Capable of delivering up to 50W in flyback topology.
4. Built-in Soft Start: Reduces inrush current, enhancing reliability and performance during startup.
5. Low Standby Power Consumption: Helps improve energy efficiency by minimizing power usage in idle states.
6. Frequency Range: Operates up to 100 kHz, allowing for compact transformer designs.
7. Thermal Protection: Features thermal shutdown to prevent damage from overheating.
8. Simple Design: Requires fewer external components, simplifying circuit design and layout.
These characteristics make the TOP223YN ideal for applications in chargers, adapters, and consumer electronics.

Package

The TOP223YN is packaged in a TO-220 format, which is a metal can package designed for power devices. This package provides good thermal performance and allows for easy mounting to heat sinks.

Pinout

The TOP223YN is a power switch used in various applications, primarily for power supply regulation. It features a total of 8 pins.
Here are the pin functions:
1. DRAIN (D): Connects to the drain of the internal MOSFET; it is used for switching the output.
2. SOURCE (S): Connects to the source of the internal MOSFET; it is typically connected to ground.
3. GATE (G): Controls the gate of the internal MOSFET; it regulates the MOSFET's operation.
4. VDD (V): Supplies power to the IC; connects to a positive voltage source.
5. RCS (CS): Current sensing pin; used for overcurrent protection.
6. VREF (R): Reference voltage output; provides a stable reference for the control circuitry.
7. GND (GND): Ground connection for the IC; serves as a common electrical return path.
8. COMP (C): Compensation pin; helps stabilize the feedback loop in control applications.
This device is often used in flyback converter designs.

Manufacturer

The TOP223YN is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in high-performance electronic components for power management applications. Founded in 1988 and headquartered in San Jose, California, the company focuses on designing innovative integrated circuits (ICs) used in a wide range of applications, including power supplies for consumer electronics, lighting, and industrial equipment. Their products are known for energy efficiency and reliability, helping to reduce energy consumption and costs in various electronic systems.

Application

The TOP223YN is a high-voltage power switch commonly used in various applications, including switch-mode power supplies (SMPS), adapters, and chargers. It serves in telecom, consumer electronics, and industrial equipment for efficient energy conversion. Its integrated features allow for compact designs in low to medium power applications, making it suitable for powering devices like LED drivers, printers, and small appliances.

Equivalent

The TOP223YN is a popular switching regulator chip. Equivalent products include the TOP224YN, TOP225YN, and other similar devices from manufacturers like Power Integrations, such as the TOPSwitch series. Other compatible alternatives may include the NCP1200 series from ON Semiconductor and the UCC38C42 from Texas Instruments. Always check specific datasheets for pin compatibility and specifications before substitution.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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