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TOP245YN The Power Integrations TOP245YN is an offline switcher IC designed for flyback applications. It operates at 700V with a power rating of 85W.
Mfr Part #:

TOP245YN

Available from 2 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP245YN is an offline switcher IC designed for flyback applications. It operates at 700V with a power rating of 85W.
✓ Total Stock: 4,079 pcs
$ Price Range: $0.75

TOP245YN Available from 2 distributors

✓ 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
Xingangxin ✓
Non-Authorised Inventory information
857 pcs
On Request
857 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.

TOP245YN 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)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
SVHC Present
Supplier Device Package
Supplier Package
Topology
Voltage
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TOP245YN Description

Short technical summary and product information.

The Power Integrations TOP245YN is an integrated offline switcher IC belonging to the TOPSwitch-GX family. It utilizes a flyback topology and is designed for applications requiring isolated power conversion.

 

Key electrical specifications include a maximum voltage rating of 700V, a power output of up to 85W, and an operating frequency range of 66kHz to 132kHz. The device features integrated fault protection including current limiting, over-temperature, and over-voltage protection. It also incorporates frequency control for efficient operation.

 

This component is housed in a TO-220-7C package and is designed for through-hole mounting. The operating temperature range is -40°C to 150°C (TJ). The TOPSwitch-GX family offers features like integrated soft-start, externally programmable current limit, and frequency jittering for reduced EMI.

 

Designed for energy efficiency, the TOPSwitch-GX family lowers system costs by reducing the need for external components and offering high design flexibility. It regulates to zero load without dummy loading and features frequency lowering at light loads for improved standby efficiency.

TOP245YN Quick Information

Product Type: Offline Switcher IC
Series: TOPSwitch-GX
Canonical Name: TOP245YN Offline Switcher IC
Subcategory: Offline Switches

TOP245YN Compliance

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

TOP245YN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP245YN Features

  • 700V voltage rating for robust operation.
  • 85W maximum power output capability.
  • 66kHz to 132kHz adjustable frequency.
  • Integrated fault protection features.
  • Through hole mounting package.

TOP245YN Applications

  • Suitable for flyback power supplies.
  • Designed for isolated power conversion.
  • Used in energy-efficient designs.
  • Enables reduced component count.

TOP245YN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TOP245YN?

700V.

What is the power rating of the TOP245YN?

85W.

What is the operating frequency range?

66kHz to 132kHz.

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What is the package type of the TOP245YN?

TO-220-7 Formed Leads, 6 Leads (TO-220-7C).

Does the TOP245YN have an internal switch?

Yes, it has an internal switch.

What fault protections are included?

Current limiting, over temperature, and over voltage protection.

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