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TOP233YN The Power Integrations TOP233YN is an offline switch IC designed for flyback applications. It operates at 700V with a power rating of 50W.
Mfr Part #:

TOP233YN

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TOP233YN is an offline switch IC designed for flyback applications. It operates at 700V with a power rating of 50W.
✓ Total Stock: 58 pcs
$ Price Range: $0.75

TOP233YN Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
58 pcs
On Request
58 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
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.

TOP233YN 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
Supplier Package
Topology
Voltage
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TOP233YN Description

Short technical summary and product information.

The Power Integrations TOP233YN is an offline switch IC utilizing TOPSwitch-FX topology for cost-effective and flexible design. It integrates a high-voltage power MOSFET, PWM control, and fault protection onto a single chip.

 

Key electrical specifications include a voltage rating of 700V, a frequency range of 66kHz to 132kHz, and a power output of 50W. The device features integrated soft-start, externally settable current limit, line under-voltage and overvoltage detection, and frequency jittering to reduce EMI.

 

This IC is designed for high efficiency, featuring cycle skipping for reduced no-load consumption and a half-frequency option for high-efficiency standby modes. It also offers remote ON/OFF capability and can regulate to zero load without dummy loading.

 

The TOP233YN is available in a TO-220-7B package with through-hole mounting. Its operating temperature range is -40°C to 150°C (TJ), and it includes hysteretic thermal shutdown for automatic recovery.

TOP233YN Quick Information

Product Type: AC DC Converters, Offline Switches
Canonical Name: TOP233YN Offline Switch IC
Subcategory: AC DC Converters

TOP233YN Compliance

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

TOP233YN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TOP233YN Features

  • Integrated soft-start for reduced stress.
  • Externally settable accurate current limit.
  • 700V voltage rating.
  • 50W power output.
  • TO-220-7B package with through-hole mounting.

TOP233YN Applications

  • Suitable for flyback applications.
  • Enables lower system cost designs.
  • Improves design flexibility and performance.
  • Reduces EMI and filtering costs.
  • Supports high efficiency standby modes.

TOP233YN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TOP233YN?

The TOP233YN has a voltage rating of 700V.

What is the operating temperature range?

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

What package does the TOP233YN come in?

The TOP233YN is available in a TO-220-7B through-hole package.

What is the switching frequency of the TOP233YN?

The typical switching frequency is 132kHz, with a half-frequency option of 66kHz.

What protection features does the TOP233YN include?

It includes current limiting, over temperature protection, and over voltage protection.

What is the power rating of the TOP233YN?

The TOP233YN can deliver up to 50W.

Does the TOP233YN have soft-start?

Yes, it has a fully integrated soft-start to minimize stress and overshoot.

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