TOP243Y The Power Integrations TOP243Y is an offline switch IC designed for flyback applications. It offers 700V voltage and 45W power output.
Mfr Part #:

TOP243Y

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP243Y is an offline switch IC designed for flyback applications. It offers 700V voltage and 45W power output.
Total Stock: 3,200 pcs
$ Price Range: $0.75

TOP243Y Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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3,200 pcs
3200 pcs On Request 1 On Request On Request On Request On Request On Request

TOP243Y 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
Topology
Voltage

TOP243Y Description

Short technical summary and product information.

The Power Integrations TOP243Y is an integrated offline switcher IC from the TOPSwitch-GX family, designed for flyback applications. This component features a high voltage rating of 700V and can deliver up to 45W of power.

 

Key electrical specifications include an operating frequency range of 66kHz to 132kHz and a duty cycle of 66.5%. It incorporates fault protection features such as current limiting, over temperature, and over voltage protection. The device also offers frequency control for enhanced performance.

 

Packaged in a TO-220-7C through-hole configuration, the TOP243Y operates within a temperature range of -40°C to 150°C (TJ). It is designed for isolated power supply applications.

 

This component is RoHS3 compliant, has an MSL of 1, and is REACH unaffected, making it suitable for various electronic designs requiring efficient and reliable offline power conversion.

TOP243Y Quick Information

Product Type: Offline Switch
Series: TOPSwitch
Canonical Name: TOP243Y Offline Switch
Subcategory: AC DC Converters

TOP243Y Compliance

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

TOP243Y Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP243Y Features

  • 700V voltage rating for high power.
  • 45W maximum power output.
  • 66kHz to 132kHz switching frequency.
  • Through hole mounting package.
  • Integrated fault protection features.

TOP243Y Applications

  • Ideal for flyback offline switcher designs.
  • Used in isolated AC-DC power converters.
  • Suitable for 45W adapter and charger applications.
  • Common in standby power supply circuits.

TOP243Y FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the TOP243Y?

The TOP243Y has a voltage rating of 700V.

What is the maximum power output of the TOP243Y?

The TOP243Y can deliver up to 45W of power.

What is the operating frequency range for the TOP243Y?

The operating frequency range for the TOP243Y is 66kHz to 132kHz.

What type of package is the TOP243Y in?

The TOP243Y is available in a TO-220-7C package.

How is the TOP243Y mounted?

The TOP243Y is mounted using the through-hole method.

What is the operating temperature range for the TOP243Y?

The operating temperature range for the TOP243Y is -40°C to 150°C (TJ).

What fault protection features does the TOP243Y offer?

The TOP243Y offers current limiting, over temperature, and over voltage fault protection.

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