TOP414G

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

TOP414G is a high-performance DC-DC switching regulator designed for high-efficiency power management in a variety of applications. It supports input voltages from 4.5V to 28V and output voltages from 0.8V to VIN. The output current is up to 3A and the switching frequency is adjustable from 250kHz to 1.5MHz. Its wide operating temperature range from -20℃ to +85℃ offers customers a complete system power solution. TOP414G features an integrated synchronous rectifier and a proprietary Thermal Shutdown (TSD) function. With its adjustable switching frequency, accurate line and load regulation, fast transient response, and low shutdown current, TOP414G is an ideal solution for the needs of modern systems.

Features

• Adjustable switching frequency from 250kHz to 1.5MHz
• Wide operating input voltage range: 4.5V to 28V
• Output voltage range from 0.8V to VIN
• Up to 3A output current
• High efficiency synchronous rectification
• Low shutdown current
• Accurate output voltage regulation up to 0.5%
• Fast transient response time
• Built-in Thermal Shutdown (TSD) function
• Wide operational temperature range from -20℃ to +85℃

Applications

• Power supply designs with high efficiency, low noise and low EMI
• Chip voltage regulation
• High-voltage conversion to low-voltage
• Switched-mode power supply (SMPS) designs
• Notebook PC, LCD monitor and set-top-box applications
• DC/DC converter voltage regulation with wide operating temperature range (-20 to + 85°C)

Working Principle

TOP414G is a DC-DC switching regulator based on the principle of pulse width modulation (PWM). It consists of a PWM controller and a high-side and a low-side switch to modulate the output voltage. The input voltage is applied to the primary side of the power transformer and is switched through the high and low side switches connected to the primary winding of the transformer. The output of the transformer is rectified and filtered, and the resulting voltage is used to generate the output voltage. The PWM controller drives the switching frequency in order to regulate the output voltage. The output voltage is controlled by setting the duty cycle of the switching signals. Through the use

of an internal compensator, the inductor ripple current and output voltage are regulated. In addition, the internal synchronous rectification helps to reduce losses, enhance efficiency and lower EMI. With its adjustable operating frequency, TOP414G provides great flexibility in adapting to various load conditions.

Conclusion

TOP414G is an advanced, efficient and flexible DC-DC switching regulator designed to support a wide range of input and output voltages and current levels. Its adjustable switching frequency and fast transient response time provide a great solution for power management applications in industries with rigorous power supply requirements such as notebook PC, LCD monitor and set-top-box devices. Its integrated Thermal Shutdown (TSD) and synchronous rectification give it an added degree of safety and efficiency. Therefore, TOP414G is an ideal choice for power supply designs with high efficiency, low noise and low EMI.

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