Power Integrations
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
TOP232GN
詳細を表示 DataSheets

TOP232GN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: PDIP-8, SOIC-8
  • Essence: Switching Regulator Controller
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 9V to 38V
  • Output Voltage Range: 3.3V to 33V
  • Switching Frequency: 100kHz to 500kHz
  • Maximum Output Current: 2A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VCC: Power Supply Input
  2. GND: Ground
  3. FB: Feedback Input
  4. COMP: Compensation Pin
  5. CS: Current Sense Input
  6. DRAIN: Power Switch Drain
  7. SOURCE: Power Switch Source
  8. RT/CLK: Oscillator Timing Resistor/Clock Synchronization

Functional Features

  • Integrated 700V MOSFET
  • Cycle-by-Cycle Current Limiting
  • Frequency Foldback for Improved Efficiency at Light Loads
  • Auto-Restart Protection
  • Overtemperature Protection
  • Adjustable Line Undervoltage Lockout (UVLO)

Advantages

  • High Efficiency Conversion
  • Low Standby Power Consumption
  • Wide Input Voltage Range
  • Compact Package Size
  • Built-in Protection Features

Disadvantages

  • Limited Maximum Output Current (2A)
  • Requires External Components for Complete Circuit Implementation
  • Not Suitable for High Power Applications

Working Principles

The TOP232GN is a switching regulator controller that utilizes pulse width modulation (PWM) to regulate the output voltage. It operates by controlling the duty cycle of the power switch to maintain a stable output voltage. The integrated MOSFET allows for efficient power conversion, while the various protection features ensure safe operation.

Detailed Application Field Plans

The TOP232GN is commonly used in various applications such as:

  1. Power Supplies: It can be used in offline flyback power supplies for consumer electronics, industrial equipment, and lighting systems.
  2. Battery Chargers: It is suitable for designing battery chargers with wide input voltage range and high efficiency.
  3. LED Drivers: The TOP232GN can be employed in LED driver circuits to provide constant current or constant voltage outputs.
  4. Industrial Control Systems: It finds application in control systems requiring regulated power supply for sensors, actuators, and communication modules.

Detailed and Complete Alternative Models

  • TOP221GN: Similar specifications and features, but with lower maximum output current (1A).
  • TOP233GN: Higher maximum output current (3A), suitable for higher power applications.
  • TOP242GN: Improved efficiency and wider input voltage range compared to TOP232GN.

(Note: This entry has reached 366 words. Please add more content to meet the required 1100 words.)

技術ソリューションにおける TOP232GN の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TOP232GN in technical solutions:

  1. Q: What is TOP232GN? A: TOP232GN is a high-performance integrated circuit (IC) that combines a power MOSFET, PWM controller, and protection features into a single package.

  2. Q: What are the typical applications of TOP232GN? A: TOP232GN is commonly used in offline flyback power supplies, providing primary-side regulation for various electronic devices such as TVs, monitors, and adapters.

  3. Q: What is the input voltage range supported by TOP232GN? A: The input voltage range of TOP232GN typically spans from 85VAC to 265VAC, making it suitable for universal input applications.

  4. Q: How does TOP232GN achieve primary-side regulation? A: TOP232GN utilizes a proprietary control scheme called EcoSmart™, which enables accurate output voltage regulation without the need for an optocoupler or secondary feedback circuitry.

  5. Q: Can TOP232GN handle high power levels? A: Yes, TOP232GN can handle power levels up to several tens of watts, depending on the specific design and thermal considerations.

  6. Q: Does TOP232GN provide any protection features? A: Yes, TOP232GN incorporates various protection features such as overvoltage protection (OVP), overload protection (OLP), and thermal shutdown to ensure safe operation.

  7. Q: Is TOP232GN compatible with both continuous and discontinuous conduction mode (CCM and DCM)? A: Yes, TOP232GN supports both CCM and DCM operation, allowing flexibility in designing power supplies for different load conditions.

  8. Q: Can TOP232GN operate in a wide temperature range? A: Yes, TOP232GN is designed to operate reliably over a wide temperature range, typically from -40°C to 125°C.

  9. Q: Are there any design resources available for using TOP232GN? A: Yes, the manufacturer provides application notes, reference designs, and evaluation boards that can help engineers in designing with TOP232GN.

  10. Q: Where can I purchase TOP232GN? A: TOP232GN can be purchased from authorized distributors or directly from the manufacturer's website.