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TOP245Y The Power Integrations TOP245Y is an offline switcher IC designed for flyback applications. It features a 700V voltage rating and 85W power capability.
Mfr Part #:

TOP245Y

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP245Y is an offline switcher IC designed for flyback applications. It features a 700V voltage rating and 85W power capability.
✓ Total Stock: 3,222 pcs
$ Price Range: $0.75

TOP245Y Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,222 pcs
On Request
3222 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TOP245Y 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
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TOP245Y Description

Short technical summary and product information.

The Power Integrations TOP245Y is an integrated offline switcher IC belonging to the TOPSwitch-GX family. It is designed for flyback applications and offers a high voltage rating of 700V and a power capability of up to 85W. The device operates with a frequency range of 66kHz to 132kHz and features integrated fault protection including current limiting, over temperature, and over voltage.

 

This IC is suitable for various power supply designs requiring isolated output. It comes in a TO-220-7C package and is designed for through-hole mounting. The TOPSwitch-GX family emphasizes energy efficiency and design flexibility, with features like frequency jittering for reduced EMI and hysteretic thermal shutdown for fault recovery.

 

Key electrical characteristics include a 66.5% duty cycle and internal switching capabilities. The operating temperature range is from -40°C to 150°C (TJ). The product is listed as RoHS3 Compliant, with an MSL of 1, and REACH Unaffected, though these compliance statuses are noted with low confidence due to unverified data.

TOP245Y Quick Information

Product Type: Offline Switcher IC
Series: TOPSwitch-GX
Canonical Name: Power Integrations TOP245Y Offline Switcher IC
Subcategory: AC DC Converters

TOP245Y Compliance

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

TOP245Y Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP245Y Features

  • 700V voltage rating for high power applications.
  • 85W power capability in a single IC.
  • 66kHz to 132kHz adjustable switching frequency.
  • Integrated fault protection features included.
  • Through hole mounting for easy integration.

TOP245Y Applications

  • Ideal for flyback converter designs.
  • Suitable for isolated power supplies.
  • Used in offline power applications.
  • Enables energy-efficient designs.

TOP245Y FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TOP245Y?

700V.

What is the package type of the TOP245Y?

TO-220-7C (formed leads, 6 leads).

What is the operating temperature range?

-40°C to 150°C (junction).

What is the output power rating?

85W.

What is the switching frequency range?

66kHz to 132kHz.

What fault protections does it have?

Current limiting, over temperature, over voltage.

What topology does it use?

Flyback, isolated output.

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