What is KA7500B Chip?

 The KA7500B is a PWM (Pulse Width Modulation) control IC designed for use in power supply applications. It is part of the KA7500 series of voltage regulation and control ICs, primarily used for controlling switching-mode power supplies (SMPS) and other power-related circuits. 

Key Features:

  1. PWM Control: The KA7500B provides a Pulse Width Modulation (PWM) control signal that can be used to regulate the output voltage of a power supply, ensuring stable and efficient conversion of electrical energy.

  2. Voltage Regulation: It features built-in voltage regulation capabilities, allowing the IC to control the output voltage based on the feedback from the system, maintaining the desired output within a specified range.

  3. Adjustable Frequency: The operating frequency of the KA7500B can be adjusted, making it versatile for different power supply designs. This allows for optimization of efficiency and performance in a range of applications.

  4. Integrated Features: The IC includes built-in functions such as soft-start (to limit inrush current), over-voltage protection (OVP), and over-temperature protection (OTP), ensuring the power supply operates reliably and safely under various conditions.

  5. Wide Input Voltage Range: It supports a wide input voltage range, typically from 8V to 40V, making it suitable for a variety of power supply applications across different industries.

  6. High Efficiency: The KA7500B is designed to minimize power loss during operation, contributing to the overall efficiency of the power supply, which is crucial for applications that require high power conversion efficiency.

  7. Complementary Output Stage: The IC uses a complementary output stage, allowing it to drive external power transistors (typically MOSFETs) for higher efficiency and better performance in switching applications.

Applications:

  • Power Supply Design: Commonly used in DC-DC converters, AC-DC power supplies, and other power management circuits where efficient voltage regulation and control are required.
  • Battery-Powered Devices: Ideal for use in battery-operated devices where energy efficiency and stable output are essential, such as portable electronics and industrial equipment.
  • Consumer Electronics: Often found in consumer electronics such as chargers, LED drivers, and power adapters that require stable and reliable power conversion.
  • Telecommunications: Used in telecommunications equipment for power regulation and conversion in base stations, routers, and other systems requiring stable power supplies.

Technical Specifications:

  • Operating Voltage: Typically 8V to 40V (with some variations depending on the specific application).
  • Frequency Range: Adjustable operating frequency (typically from 20 kHz to 100 kHz).
  • Package Type: Available in a DIP-8 or SOIC-8 package for easy integration into power supply designs.
  • Output Drive: Capable of driving external transistors (MOSFETs) for high-efficiency power conversion.

The KA7500B is an excellent choice for power supply designers seeking a reliable and efficient solution for PWM control. Its versatility, built-in protection features, and adjustable operating frequency make it suitable for a wide range of power management applications across multiple industries. 

Search List Page：KA7500B Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip 

All categories 

Reprinted from: https://www.mobikechip.com/static-product-faq-detail/130.html

previous article：
What is TNY264PN?
next article：
What is STM32F103CBT6?

评论

发表评论

此博客中的热门博文

What is SN74LS00N Chip?

图片
 The SN74LS00N is a quad 2-input NAND gate integrated circuit from the 74LS (Low Power Schottky) logic family. It is commonly used in digital logic circuits for performing basic logical operations, specifically the NAND operation, which is a fundamental building block in digital electronics.  Key Features: Quad 2-Input NAND Gates : The SN74LS00N contains four independent 2-input NAND gates, allowing it to perform logical NAND operations on two input signals. Each gate has two inputs and one output, making it versatile for building complex logic functions by combining multiple gates. Low Power Consumption : As part of the LS (Low Power Schottky) family, the SN74LS00N is designed to consume less power while maintaining high-speed performance, making it suitable for energy-sensitive applications. Fast Switching Speed : The device features fast switching times (typically around 25 ns at 5V), enabling it to operate at high speeds in digital systems. Wide Supply Voltage Range : ...
阅读全文

RMS to DC Converters: Bridging the Gap Between AC and DC Power

图片
  Understanding RMS to DC Converters: Bridging the Gap Between AC and DC Power In today's electronic landscape, converting power efficiently and accurately is essential for various applications. RMS to DC converters are crucial components that transform the root mean square (RMS) value of an alternating current (AC) signal into a direct current (DC) output. This blog post will explore the fundamentals of RMS to DC converters, their applications, and the technological advancements shaping their development. What Are RMS to DC Converters? RMS to DC converters are devices that convert an AC voltage, represented by its RMS value, into a DC voltage. This process is essential in applications where devices require a stable DC supply but are fed by AC sources. RMS values provide a meaningful way to represent AC signals, particularly in terms of power calculations, making it crucial for converters to accurately reflect these values in their output. The conversion process typically involves ...
阅读全文

What is TNY278PN Chip?

图片
  The   TNY278PN   is a highly integrated   switching power supply IC   from   Power Integrations , part of the TinySwitch family. It is designed for low-power applications, offering an efficient solution for power supply designs while minimizing the number of external components required.   Key Features: Integrated Power MOSFET : The TNY278PN combines a high-voltage power MOSFET with control circuitry in a single package, simplifying the design and reducing the overall component count. Low Power Consumption : Optimized for low standby power consumption, the TNY278PN enables designers to meet energy efficiency regulations while maintaining performance. Wide Input Voltage Range : It operates over an input voltage range of  85V to 265V AC , making it suitable for universal power supply applications across different regions. Output Power : The TNY278PN can deliver up to  12W  of output power in non-isolated applications, making it vers...
阅读全文