TOP255EN The Power Integrations TOP255EN is an offline switcher IC designed for AC DC conversion. It operates at 700V with an 81W power rating.
Mfr Part #:

TOP255EN

Available from 2 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP255EN is an offline switcher IC designed for AC DC conversion. It operates at 700V with an 81W power rating.
Total Stock: 6,997 pcs
$ Price Range: $0.75

TOP255EN Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,600 pcs
3600 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,397 pcs
3397 pcs On Request 1 On Request On Request On Request On Request On Request

TOP255EN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
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

TOP255EN Description

Short technical summary and product information.

The Power Integrations TOP255EN is an integrated offline switcher IC from the TOPSwitch-HX family. It is designed for high efficiency and flexibility in AC DC conversion applications.

 

Key electrical specifications include a voltage rating of 700V and a power output of up to 81W. The device operates at selectable frequencies of 66kHz or 132kHz, with features like accurate programmable current limit, output overvoltage protection, and line undervoltage detection. It also includes improved auto-restart for fault conditions and accurate hysteretic thermal shutdown.

 

This component is housed in a 7-SSIP, 6-lead package with formed leads and features a Through Hole mounting type. The eSIP-7C supplier package is suitable for applications where space is limited.

 

The TOPSwitch-HX family offers enhanced EcoSmart features, aiming for lower system cost and higher design flexibility. It supports multi-mode operation to maximize efficiency across various load conditions.

TOP255EN Quick Information

Product Type: Offline Switcher
Series: TOPSwitch-HX
Canonical Name: TOP255EN Offline Switcher
Subcategory: Offline Switches

TOP255EN Compliance

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

TOP255EN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP255EN Features

  • 700V voltage rating for AC DC conversion.
  • 81W maximum power output capability.
  • Selectable 66kHz or 132kHz operating frequency.
  • Through Hole mounting in eSIP-7C package.
  • Integrated fault protection features.

TOP255EN Applications

  • Used in AC DC power supplies.
  • Suitable for offline switching applications.
  • Ideal for adapters and monitor designs.
  • Enables high efficiency power conversion.

TOP255EN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage rating of the TOP255EN?

The TOP255EN has a voltage rating of 700V.

What package does the TOP255EN come in?

The TOP255EN is housed in a 7-SSIP 6-lead exposed pad package, also known as eSIP-7C.

What is the operating temperature range?

The operating junction temperature range is -40°C to +150°C.

What switching frequencies are supported?

The TOP255EN supports switching frequencies of 66kHz and 132kHz.

What is the maximum output power?

The maximum output power is 81W.

What is the maximum duty cycle?

The maximum duty cycle is 78%.

What fault protections are included?

Fault protections include current limiting, over temperature, and over voltage protection.

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