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TOP203YAI The Power Integrations TOP203YAI is an offline switcher IC designed for power supply applications. It integrates a PWM controller and a 700V MOSFET in a TO-220-3 package.
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TOP203YAI

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP203YAI is an offline switcher IC designed for power supply applications. It integrates a PWM controller and a 700V MOSFET in a TO-220-3 package.
✓ Total Stock: 4,512 pcs
$ Price Range: $0.75

TOP203YAI 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
4,512 pcs
On Request
4512 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.

TOP203YAI Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Topology
Voltage
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TOP203YAI Description

Short technical summary and product information.

The Power Integrations TOP203YAI is an integrated offline switcher IC that combines a high-voltage N-channel power MOSFET with a PWM controller, oscillator, start-up bias circuit, and protection circuitry. This device is designed for off-line switched mode control systems.

 

Key electrical specifications include a maximum breakdown voltage of 700V, a switching frequency of 100kHz, and a maximum output power of 100W. It supports multiple topologies such as Boost, Buck, Flyback, and Forward, offering design versatility. The maximum duty cycle is rated at 67%, and it includes fault protection features like current limiting and over-temperature shutdown.

 

The TOP203YAI is housed in a standard three-pin TO-220-3 package, suitable for through-hole mounting. Its operating temperature range is -40°C to 150°C (TJ). The integrated design reduces component count and simplifies system design, making it suitable for various power supply applications.

 

This IC is designed to reduce cost, increase reliability, and improve efficiency compared to discrete solutions. It is well-suited for applications requiring compact and efficient power conversion.

TOP203YAI Quick Information

Product Type: Offline Switcher IC
Series: TOPSwitch
Canonical Name: TOP203YAI Offline Switcher IC
Subcategory: Offline Switcher

TOP203YAI Compliance

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

TOP203YAI Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP203YAI Features

  • 700V maximum breakdown voltage.
  • 100W maximum output power.
  • 100kHz switching frequency.
  • Supports multiple power topologies.
  • TO-220-3 through-hole package.

TOP203YAI Applications

  • Used in off-line power supplies.
  • Suitable for Boost converter designs.
  • Applicable for Buck converter designs.
  • Ideal for Flyback converter designs.
  • Supports Forward converter designs.

TOP203YAI FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the TOP203YAI?

TO-220-3.

What is the operating temperature range?

-40°C to 150°C (junction).

What is the maximum output power?

100W.

What is the switching frequency?

100kHz.

What topologies does the TOP203YAI support?

Boost, Buck, Flyback, Forward.

What fault protection features are included?

Current limiting and over-temperature protection.

Does the TOP203YAI have an internal switch?

Yes.

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