The Texas Instruments UCC2813PW-2 is a versatile and robust PWM (Pulse Width Modulation) controller that is part of the UCC2813x family of BiCMOS current-mode PWM controllers. This device is meticulously designed to cater to a wide range of power supply applications, offering a cost-effective solution without compromising on performance and reliability.

Key Features

• Operating Range: The UCC2813PW-2 operates with a supply voltage range of 8.5V to 16V, making it suitable for various applications, including offline power supplies.
• Current Mode Control: This control method provides superior transient response, simplified loop compensation, and reliable overcurrent protection.
• Frequency: The device features a fixed-frequency oscillator with a nominal frequency of 100kHz, which helps to minimize external component size and optimize control loop performance.
• Low Startup and Operating Current: The UCC2813PW-2 boasts a low startup current of typically 0.5mA and an operating current of typically 2.5mA, enhancing the efficiency of the power supply.
• High-Current Totem Pole Output: The output stage is capable of driving a power MOSFET or IGBT directly, simplifying the design and reducing component count.
• Soft Start: The soft-start feature limits inrush current during startup, providing a controlled ramp-up of output voltage and reducing stress on the power supply components.

Applications

The UCC2813PW-2 is ideal for a broad spectrum of applications, including:

• Switching power supplies
• DC-DC converters
• Offline power supplies
• AC-DC adapters and battery chargers
• LED drivers

Package and Quality

The UCC2813PW-2 is available in a 14-pin TSSOP (Thin Shrink Small Outline Package), which is designed for space-constrained applications. Texas Instruments ensures high-quality standards, and the UCC2813PW-2 is no exception, providing reliable and consistent performance for critical power management tasks.

With its comprehensive set of features, the UCC2813PW-2 from Texas Instruments stands as an excellent choice for designers looking for an efficient, low-power solution for their PWM control needs in power supply designs.