UCC28C45QDRQ1

Overview of UCC28C45QDRQ1

The UCC28C45QDRQ1 is a versatile, automotive-grade PWM controller designed for flyback, forward, and half-bridge topologies optimized for high-speed and low-voltage operations. It provides excellent performance for specific applications such as analog and digital signal switching.

Pinout

The UCC28C45QDRQ1 pinout refers to the configuration and function of each pin in its SOIC-8 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the UCC28C45QDRQ1 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• Automotive Grade: The UCC28C45QDRQ1 is designed for automotive applications, ensuring high reliability and robustness in harsh environments.
• Wide Input Voltage Range: This PWM controller can operate with input voltages ranging from 4.5V to 36V, making it suitable for various power supply designs.
• Low quiescent current: The UCC28C45QDRQ1 features a low quiescent current of 2.5mA, reducing power consumption and heat generation in the system.
• Internal 2ms Soft-Start: This feature helps to reduce inrush current and prevents damage to the power supply or other components during startup.
• UVLO with hysteresis: The UCC28C45QDRQ1 includes an undervoltage lockout (UVLO) function with hysteresis, ensuring that the device remains in a low-power state until the input voltage reaches a minimum level.
• OVP and Thermal Shutdown: This PWM controller features overvoltage protection (OVP) and thermal shutdown functions to prevent damage from excessive voltage or temperature conditions.
• Shutdown function: The UCC28C45QDRQ1 includes a shutdown function that can be used to turn off the device when not in use, reducing power consumption and heat generation.
• Adjustable Output Voltage: This PWM controller allows for adjustable output voltage settings, enabling designers to tailor the output voltage to specific application requirements.
• Precision Internal Reference voltage: The UCC28C45QDRQ1 features a precision internal reference voltage, ensuring accurate and stable operation of the device.

Applications

• Automotive DC-DC Converters: The UCC28C45QDRQ1 is suitable for use in automotive DC-DC converters, providing a reliable and efficient power supply solution for various vehicle systems.
• Battery Chargers: This PWM controller can be used in battery chargers to provide a high-efficiency and precise charging solution for various battery types.
• LED Lighting Systems: The UCC28C45QDRQ1 is suitable for use in LED lighting systems, providing a reliable and efficient power supply solution for various LED applications.

Advantages and Disadvantages

The UCC28C45QDRQ1 offers several advantages, including its high reliability, robustness, and efficiency. However, it also has some disadvantages, such as its relatively high cost compared to other PWM controllers on the market.

Equivalents

The UCC28C45QDRQ1 has several equivalents in the market, including the Texas Instruments TPS61095 and the ON Semiconductor NCP1396. These devices offer similar features and performance to the UCC28C45QDRQ1 but may have some differences in terms of their specifications or application areas.

Frequently Asked Questions

Q: What is the input voltage range for the UCC28C45QDRQ1?
A: The input voltage range for the UCC28C45QDRQ1 is 4.5V to 36V.

Q: What is the quiescent current of the UCC28C45QDRQ1?
A: The quiescent current of the UCC28C45QDRQ1 is 2.5mA.

Q: Does the UCC28C45QDRQ1 have an internal reference voltage?
A: Yes, the UCC28C45QDRQ1 features a precision internal reference voltage.

Q: Can the UCC28C45QDRQ1 be used in automotive applications?
A: Yes, the UCC28C45QDRQ1 is designed for use in automotive applications and features high reliability and robustness to withstand harsh environments.