TOP223PN

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TOP223PN

IC OFFLINE SWITCH MULT TOP 8DIP

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

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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 8-DIP (0.300, 7.62mm)
SupplierDevicePackage 8-PDIP

Tổng quan

Description

The TOP223PN is a versatile, high-performance power switch specifically designed for offline power supply applications, particularly in low to medium power ranges. It integrates a high-voltage power MOSFET with a pulse width modulation (PWM) controller, enabling efficient energy conversion in applications like power adapters, charger circuits, and LED drivers.
Key features include a wide input voltage range (from 85 to 265 VAC), adjustable output voltage, and a built-in overvoltage protection mechanism. The device operates in discontinuous conduction mode (DCM), allowing it to achieve high efficiency while minimizing electromagnetic interference (EMI).
With a maximum output power of around 50W, the TOP223PN is suitable for providing isolated output via transformer-based designs. Its compact size and minimal external component count make it an ideal choice for space-limited applications. Overall, the TOP223PN is recognized for its reliability, ease of use, and cost-effectiveness in designing efficient power supplies.

Features

The TOP223PN is a high-performance integrated circuit designed for switching power supply applications. Key features include:
1. Output Power: Capable of delivering up to 25W of output power in a flyback configuration.
2. High Voltage: Operates with a high input voltage range of 85 to 265 VAC.
3. Integrated Circuit: Combines a high-voltage power MOSFET and a PWM control circuit for efficient operation.
4. Frequency: Switching frequency of around 100 kHz, optimizing the size of magnetic components.
5. Thermal Protection: Features thermal shutdown to safeguard against overheating.
6. Overload Protection: Includes overload and short-circuit protection to enhance reliability.
7. Low Standby Power: Designed for low standby power consumption, making it energy efficient.
8. Compact Size: Available in a DIP-8 package for easy integration into designs.
These features make the TOP223PN suitable for applications like adapters, chargers, and other power supply units.

Package

The TOP223PN is packaged in a 7-lead TO-220 format. This type of package provides effective thermal management and is commonly used for power applications, allowing for higher power dissipation and easier mounting to heatsinks.

Pinout

The TOP223PN is a power switch integrated circuit used in low-power applications, particularly for off-line and DC-DC converter designs. It features a total of 8 pins. The pin configuration and their functions are as follows:
1. DRAIN: Connects to the external transformer or inductor.
2. GND: Ground connection.
3. SOURCE: Connects to the source of the internal MOSFET.
4. GATE: Controls the switching of the internal MOSFET.
5. VCC: Supplies power to the IC.
6. CT: Timing capacitor connection for the internal oscillator.
7. CS: Current sense input, used for current limiting.
8. VFB: Feedback input for regulating output voltage.
This device is commonly used for applications such as switch-mode power supplies and power adapters, providing high efficiency and compact design.

Manufacturer

The TOP223PN is manufactured by Power Integrations, a company that specializes in high-performance electronic components for power conversion. Founded in 1985, Power Integrations is known for its innovative solutions in the fields of energy efficiency and power management, particularly in the design and manufacture of integrated circuits for power supplies. The company focuses on providing products that enhance energy efficiency and reduce the environmental impact of electronic devices. Power Integrations serves a wide range of industries, including consumer electronics, industrial applications, and telecommunications.

Application

The TOP223PN is a power switch commonly used in low to medium power applications, such as isolated switch-mode power supplies, adapters, and LED drivers. It features integrated power MOSFETs and operates in flyback or forward topologies, making it suitable for consumer electronics, telecommunications, and industrial equipment where compact and efficient power conversion is required. Its versatility also allows for applications in battery chargers and various distributed power systems.

Equivalent

The TOP223PN is a high-voltage switch-mode power supply IC. Equivalent products include the TOP224PN, TOP225PN, and TOP246PN from the same manufacturer, Power Integrations. Other alternatives could be the NCP1200 series from ON Semiconductor and the LM2576 series from Texas Instruments, depending on specific application requirements such as voltage, current ratings, and functionality. Always check datasheets for compatibility.

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