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TOP242YN The Power Integrations TOP242YN is an integrated offline switcher IC designed for flyback applications. It operates at 700V with a frequency range of 66kHz to 132kHz.
Mfr Part #:

TOP242YN

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP242YN is an integrated offline switcher IC designed for flyback applications. It operates at 700V with a frequency range of 66kHz to 132kHz.
✓ Total Stock: 3,569 pcs
$ Price Range: $0.75

TOP242YN 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
3,569 pcs
On Request
3569 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.

TOP242YN 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)
SVHC Present
Supplier Device Package
Topology
Voltage
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TOP242YN Description

Short technical summary and product information.

The Power Integrations TOP242YN is part of the TOPSwitch-GX Family, offering an integrated offline switcher solution for flyback applications. This device features a high voltage rating of 700V and operates within a frequency range of 66kHz to 132kHz, reducing transformer and power supply size.

 

Designed for efficiency and flexibility, the TOP242YN integrates the high voltage power MOSFET, PWM control, and fault protection onto a single CMOS chip. It supports up to 22W of power and includes features like externally programmable current limit, soft-start, and hysteretic thermal shutdown for automatic fault recovery. The device is suitable for through-hole mounting in a TO-220-7C package.

 

Key electrical characteristics include a 66.5% duty cycle and fault protection against current limiting, over temperature, and over voltage conditions. The control features are based on frequency control, and the output is isolated. This component is designed to regulate to zero load without requiring a dummy load, contributing to energy efficiency.

 

With its integrated design and robust protection features, the TOP242YN is a versatile component for various power supply designs requiring reliable offline conversion.

TOP242YN Quick Information

Product Type: Offline Switcher IC
Series: TOP242
Canonical Name: TOPSwitch-GX Family Integrated Off-line Switcher
Subcategory: Offline Switchers

TOP242YN Compliance

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

TOP242YN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP242YN Features

  • Integrated offline switcher IC.
  • 700V voltage rating.
  • 66kHz to 132kHz switching frequency.
  • 22W power output capability.
  • Through hole mounting package.

TOP242YN Applications

  • Suitable for flyback applications.
  • Enables efficient power supply designs.
  • Provides integrated control and protection.
  • Reduces component count in systems.

TOP242YN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TOP242YN?

The internal switch is rated for 700V.

What package does the TOP242YN come in?

TO-220-7C through-hole package.

What is the operating temperature range?

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

What is the output power of this offline switcher?

22W.

Does the TOP242YN have built-in protection?

Yes, includes current limiting, over-temperature, and over-voltage protection.

What is the switching frequency range?

66kHz to 132kHz.

Is the output isolated?

Yes, the output is isolated.

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