The UCC2802QDREP is a state-of-the-art low-power biCMOS current-mode PWM controller from Texas Instruments, meticulously designed for a wide range of power supply applications. This device is part of TI's Enhanced Products (EP) portfolio, which are specifically engineered to operate in harsh environments and are suitable for military, space, and industrial applications, where elevated levels of reliability and performance are crucial.

Key Features

• Low Startup and Operating Current: The UCC2802QDREP boasts an ultra-low startup current of less than 1 µA and an equally impressive operating current of 1 mA, making it an energy-efficient choice for battery-operated devices.
• High-Frequency Operation: With a capability to operate up to 1 MHz, this controller can be used in applications requiring high-frequency power conversion, which can lead to smaller and more efficient designs due to reduced size of passive components.
• Trimmed Oscillator Discharge Current: The oscillator discharge current is trimmed to ensure precise duty cycle clamping, which is essential for reliable and consistent performance in power supply designs.
• Current Sense Discharge Transistor: A robust current sense discharge transistor is provided to ensure rapid discharge of the current sense filter capacitor, which improves responsiveness and protection under fault conditions.
• Enhanced Control Features: The device includes features such as programmable soft start, under-voltage lockout with hysteresis, and a totem-pole output capable of driving a power MOSFET directly, thereby simplifying the design and reducing component count.

Applications

The UCC2802QDREP is ideal for a variety of applications, including:

• DC to DC converters
• Off-line power supplies
• Portable power devices
• Power supply for space, military, and industrial equipment

Quality and Reliability

As part of the Texas Instruments Enhanced Products (EP) line, the UCC2802QDREP is manufactured to the highest quality standards. It undergoes rigorous testing and qualification procedures, ensuring it meets the stringent requirements of high-reliability environments. The device is also characterized for enhanced low-temperature performance, making it a reliable choice for extreme conditions.