TL494IDG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The TL494IDG4 is a DC/DC switching controller with a wide range of applications in the voltage regulator and current regulator circuit. This device forms the core part of the DC/DC converter, which is widely used in computers, communication devices, DVD players, washing machines and other products in the electronic industry.

The TL494IDG4 DC/DC switching controller features a total of eight pins. Its input voltage range is from 8V to 36V, and its output voltage is adjustable from 0.8V to 24V. It is a high performance, power efficient device with an on-chip oscillator, integrated internal reference, and low noise and quiescent current. It helps to regulate the power supply of the system and provides a stable output voltage and current. The TL494IDG4 also has a wide range of additional features, such as over-voltage protection, input under-voltage protection, thermal protection, over-current protection, and short circuit protection.

The working principle of the TL494IDG4 is fairly straightforward. It has two main sections - the control section and the power section. The control section includes the oscillator, which is used to regulate the output voltage of the device. The oscillator is connected to an internal reference, which determines the output voltage of the device. The power section consists of components such as the power transformer, rectifier and filter. The transformer steps down the incoming voltage to the desired level and the rectifier and filter convert the incoming AC current into DC current.

The TL494IDG4 also has an internal peak-current detector which can detect the current that is flowing through the main switch of the HV section. This allows the device to quickly adjust the output current and voltage using the integrated PWM control. The oscillator adjusts its frequency to maintain the output voltage at a steady level and the PWM control ensures that the peak current is limited to a safe level. The TL494IDG4 also has an adjustable soft start feature which gradually increases the voltage and current output over a set time period.

In conclusion, the TL494IDG4 DC/DC switching controller is an excellent choice for applications where a stable output voltage and current is required. It has several safety features, such as over-voltage protection and over-current protection to ensure safe operation, and is designed to be energy-efficient and noise-free. Its range of features makes it suitable for a wide range of applications, from consumer electronics to industrial equipment.

The specific data is subject to PDF, and the above content is for reference