What are the key applications for the TOP245YN?

It is primarily used in universal input power supplies, adapters, and industrial power systems where high efficiency and flexible design are required.

What should engineers review before using the TOP245YN?

Engineers should verify the thermal requirements, ensure proper PCB layout to minimize noise coupling, and calculate the appropriate resistors for line sensing and current limit settings.

What are the key specifications of the TOP245YN?

Key specs include a 132 kHz switching frequency, 700 V breakdown voltage, 60 W output power (open frame, 85-265 VAC), and a 78% maximum duty cycle.

What is the pinout of TOP245YN?

Use the TOP245YN datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TOP245YN pinout to locate pins, power rails, and interface signals before layout.

TOP245YN Datasheet, Specs, Alternatives & ECAD | Power Integrations

AI summary

The TOP245YN is a high-performance, integrated off-line switcher from the TOPSwitch-GX family, ideal for efficient power supply designs up to 60 W.

Best for

Universal input power supplies
High-efficiency adapters

Avoid if

Extremely low-power standby applications where simpler controllers suffice

Check before use

Thermal dissipation requirements
Line sensing resistor values

Key specifications

Switching Frequency: 132 kHz
Output Power (Open Frame): 60 W
Breakdown Voltage: 700 V
Package: TO-220-7C

Compliance & Environment

RoHS: RoHS Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Power SupplyIndustrial

Datasheet

TOP245YN-Power-Integrations-datasheet-86828853.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TOP245YN: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

Get Files

PCB Footprint

Land pattern for PCB layout

Get Files

3D Model

STEP file for mechanical design

Get Files

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The TOP245YN is an integrated off-line switcher that combines a 700 V power MOSFET with PWM control, fault protection, and soft-start features on a single CMOS chip.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the TOP245YN?+×

What are the key applications for the TOP245YN?+×

What should engineers review before using the TOP245YN?+×

What are the key specifications of the TOP245YN?+×

What is the pinout of TOP245YN?+×