KA7500C
PWM voltage mode controllers for DC-DC and SMPS applications
Manufacturer： ['fairchild', 'onsemi', 'rochester', 'freescale']
series introduction
The **KA7500C Series** is a highly versatile and widely recognized family of pulse-width modulation (PWM) control ICs, designed to deliver precise and efficient power management solutions across a broad range of applications. Known for their robust performance and reliability, these ICs are commonly used in switch-mode power supplies (SMPS), DC-DC converters, and other power control systems. The KA7500C Series integrates advanced PWM control circuitry, enabling users to achieve high levels of efficiency and stability in their designs.
One of the key features of the KA7500C Series is its dual-output PWM control capability, which allows for push-pull or half-bridge configurations. This flexibility makes it suitable for a variety of power supply topologies, including flyback, forward, and buck-boost converters. The ICs operate over a wide input voltage range, typically from 7V to 40V, ensuring compatibility with diverse power sources. Additionally, the series includes an onboard error amplifier, which provides precise voltage regulation and feedback control, enhancing system performance and reliability.
The KA7500C Series is designed with user convenience in mind, featuring an adjustable oscillator frequency that can be easily set using external resistors and capacitors. This allows designers to tailor the switching frequency to meet specific application requirements, optimizing efficiency and minimizing electromagnetic interference (EMI). The ICs also incorporate built-in protection features such as under-voltage lockout (UVLO) and over-current protection, safeguarding the system against potential faults and ensuring long-term operational stability.
In terms of design characteristics, the KA7500C Series is housed in a compact and durable package, making it suitable for space-constrained applications. Its robust construction ensures reliable operation even in harsh environments, making it a preferred choice for industrial and automotive applications. The ICs are also highly efficient, with low quiescent current consumption, contributing to energy savings in power-sensitive designs.
Typical applications for the KA7500C Series include AC-DC adapters, uninterruptible power supplies (UPS), battery chargers, and LED drivers. Its versatility and performance make it a popular choice in consumer electronics, telecommunications, and renewable energy systems. Whether used in high-power industrial equipment or compact consumer devices, the KA7500C Series delivers consistent and reliable performance, making it an essential component in modern power management solutions.
Images for reference
16-DIP SOT38-1
16-Dip
16 SOIC