Texas Instruments

UC3708N

The Texas Instruments UC3708N is a highly-integrated monolithic pulse width modulation (PWM) controller designed for use in a wide range of power conversion applications. This device is specifically designed to provide high performance and ease of use for developers working on power conversion systems.

Description:

The UC3708N is a high-voltage, high-current PWM controller that operates with a wide input voltage range of 4.5V to 45V. It is available in a compact SOIC-8 package, making it suitable for a variety of power conversion applications. The device features a fixed 60kHz switching frequency, which can be easily adjusted using an external clock.

Features:

1. High-voltage operation: The UC3708N can operate with input voltages ranging from 4.5V to 45V, making it suitable for a wide range of power conversion applications.

2. High-current capability: The device is designed to handle high currents, making it suitable for applications that require high power output.

3. Fixed 60kHz switching frequency: The UC3708N has a fixed switching frequency of 60kHz, which can be easily adjusted using an external clock for applications that require different switching frequencies.

4. Compact SOIC-8 package: The device is available in a compact SOIC-8 package, making it suitable for space-constrained applications.

5. Protection features: The UC3708N includes various protection features such as over-voltage protection (OVP), under-voltage protection (UVP), over-current protection (OCP), and thermal shutdown (TSD) to ensure reliable operation.

Applications:

The Texas Instruments UC3708N is suitable for a wide range of power conversion applications, including:

1. DC-DC converters: The UC3708N can be used in both step-up (boost) and step-down (buck) converters for efficient power conversion.

2. LED lighting: The device can be used in LED lighting applications to provide efficient power conversion and dimming control.

3. Battery chargers: The UC3708N can be used in battery charging applications to provide efficient power conversion and charging control.

4. Power adapters: The device can be used in power adapters for various electronic devices, providing efficient power conversion and regulation.

5. Motor control: The UC3708N can be used in motor control applications, providing efficient power conversion and precise speed control.

In summary, the Texas Instruments UC3708N is a versatile and high-performance PWM controller suitable for a wide range of power conversion applications. Its compact package, high-voltage and high-current capabilities, and various protection features make it an ideal choice for developers working on power conversion systems.