TOP243GN The Power Integrations TOP243GN is an offline switcher IC designed for flyback applications. It operates at 700V with a power rating of 25W.
Mfr Part #:

TOP243GN

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP243GN is an offline switcher IC designed for flyback applications. It operates at 700V with a power rating of 25W.
Total Stock: 6,898 pcs
$ Price Range: $0.75

TOP243GN Available from 1 distributor

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TOP243GN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage

TOP243GN Description

Short technical summary and product information.

The Power Integrations TOP243GN is an integrated offline switcher IC belonging to the TOPSwitch-GX family. It is designed for flyback applications, offering a voltage rating of 700V and a power output of up to 25W. The device operates within a frequency range of 66kHz to 132kHz.

 

Key features include integrated fault protection for current limiting, over temperature, and over voltage conditions. It also incorporates frequency control for enhanced performance. The TOP243GN is housed in a surface mount 8-SMD (7 Leads), Gull Wing package, making it suitable for various PCB designs.

 

This IC is designed for energy efficiency, with features like frequency lowering at light loads for high standby efficiency. It supports remote ON/OFF functionality and provides hysteretic thermal shutdown for automatic fault recovery. The device is suitable for applications requiring isolated power supplies.

TOP243GN Quick Information

Product Type: Offline Switcher IC
Series: TOPSwitch-GX
Canonical Name: TOP243GN Offline Switcher IC
Subcategory: AC DC Converters

TOP243GN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TOP243GN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

TOP243GN Features

  • 700V voltage rating for robust operation.
  • 25W power output capability.
  • 66kHz to 132kHz switching frequency.
  • Integrated fault protection features.
  • Surface mount 8-SMD package.

TOP243GN Applications

  • Flyback AC-DC converter power supplies
  • Offline switch-mode power supply designs
  • Isolated power supply applications up to 25W
  • Standby and auxiliary power supply circuits
  • Low-cost energy-efficient switched-mode power supplies

TOP243GN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the TOP243GN?

The TOP243GN has a voltage rating of 700V.

What is the power output of the TOP243GN?

The TOP243GN can deliver up to 25W of power.

What is the operating frequency range for the TOP243GN?

The operating frequency range for the TOP243GN is 66kHz to 132kHz.

What type of package is the TOP243GN in?

The TOP243GN is available in an 8-SMD (7 Leads), Gull Wing package.

How is the TOP243GN mounted?

The TOP243GN is designed for surface mount.

What fault protection features does the TOP243GN offer?

The TOP243GN offers current limiting, over temperature, and over voltage fault protection.

What is the operating temperature range for the TOP243GN?

The operating temperature range for the TOP243GN is -40°C to 150°C (TJ).

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