TOP204YN

TO-220 switching regulator with 3-pin configuration
4,012 Effective Inventory

TOP204YN

Effective Inventory4,012

TO-220 switching regulator with 3-pin configuration

  • Manufacturer Part # : TOP204YN

  • Package/Case: TO-220

  • Brand: Power Integrations

  • Product Categories : AC DC Converters, Offline Switches

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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TOP204YN DataSheet
no-price

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for TOP204YN or email to us: Email: [email protected], we will contact you in 12 hours.

Details

TOP204YN is a monolithic Switcher IC designed for off-line power supplies. It is a multi-topology controller providing high efficiency and reliable power conversion. The device comes in a TO220-3 package, making it suitable for a wide range of applications. The TOP204YN features pulse width modulation (PWM) control with an integrated 700V power MOSFET. This allows the device to efficiently regulate the output voltage with minimal power loss. The IC supports various topologies, including flyback, forward, and half-bridge configurations, making it versatile for different power supply designs. Additionally, the TOP204YN offers comprehensive protection features, such as overcurrent protection, overvoltage protection, and thermal shutdown. This ensures the safety and longevity of the power supply system by preventing damage from abnormal operating conditions.

Key Features

  • Single-site EPROM programmer
  • Supports EPROM, EEPROM, serial EEPROM, and Flash memory
  • Programs microcontrollers
  • Compatible with more than 4000 devices
  • Easy-to-use software interface
  • Fast programming speeds

Application

  • Universal programmers for EPROMs, Flash EPROMs, E2PROMs, PALs, GALs, and more
  • Automotive control units
  • Industrial control systems
  • Security systems
  • Medical equipment
  • Telecommunications equipment
  • Consumer electronics
  • Instrumentation
  • Embedded systems
  • Computer peripherals

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code Yes Part Life Cycle Code Obsolete
Part Package Code SFM Pin Count ! 3
Reach Compliance Code compliant ECCN Code EAR99
HTS Code ! 8542.39.00.01 Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE Control Technique PULSE WIDTH MODULATION
Input Voltage-Min 36 V JESD-30 Code R-PSFM-T3
Number of Functions 1 Number of Terminals 3
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Output Voltage-Nom 5.7 V Package Body Material PLASTIC/EPOXY
Package Code TO-220 Package Shape RECTANGULAR
Package Style FLANGE MOUNT Qualification Status ! Not Qualified
Surface Mount ! NO Switcher Configuration BOOST
Switching Frequency-Max 100 kHz Technology CMOS
Temperature Grade ! INDUSTRIAL Terminal Form ! THROUGH-HOLE
Terminal Position SINGLE

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification TOP204YN PDF Download

FAQs

What is TOP204YN?

The TOP204YN is a monolithic switching regulator control circuit designed by Power Integrations. It is commonly used to drive N-channel power MOSFETs in flyback, forward, boost, and SEPIC topologies to provide various output voltage levels.

How Does TOP204YN Work?

The TOP204YN works by regulating the output voltage of a switching power supply through pulse-width modulation (PWM) control. It integrates the control, driver, and protection functions into a single IC, making it efficient and compact for power supply designs.

How Many Pins does TOP204YN have and What are the Functions of the Pinout Configuration?

The TOP204YN is housed in a 8-pin DIP (Dual Inline Package) package. The pinout configuration includes:

  • VCC: Power supply input pin.
  • FB: Feedback input pin for controlling the output voltage.
  • RT: Timing resistor connection pin for setting the oscillator frequency.
  • CT: Timing capacitor connection pin for setting the oscillator frequency.
  • OUT: Gate drive output for the external power MOSFET.
  • GND: Ground connection pin.
  • VREF: Internal voltage reference output.
  • SD: Soft-start function and shutdown pin.

What are the Pros and Cons of TOP204YN?

Pros:

  • High Integration: Integrates control, driver, and protection functions into a single IC.
  • Wide Application: Suitable for various switching regulator circuit topologies.
  • Efficiency: Enables efficient power supply designs with PWM control.
  • Compact Package: Housed in a standard 8-pin DIP package for easy prototyping and manufacturing.

Cons:

  • External Components: May require additional external components for specific power supply designs.
  • Thermal Considerations: Heat dissipation and thermal management may be critical in high-power applications.

Are There Any Equivalents/Alternatives to TOP204YN for Recommendation?

  • The UC3843 from Texas Instruments is an equivalent PWM controller IC for switching power supply applications.
  • Alternatives to the TOP204YN include the SG3524 from STMicroelectronics and the TL494 from Texas Instruments.

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