The UCC1802J883B is a robust low-power BiCMOS current-mode PWM controller designed by Texas Instruments, suitable for a wide range of power supply applications. This versatile controller is part of the military-grade product line, offering enhanced reliability and performance under extreme conditions, making it an ideal choice for mission-critical applications in aerospace and defense sectors.

Key Features

• Low Startup and Operating Current: With its BiCMOS technology, the UCC1802J883B ensures low startup current (typically 100 µA) and low operating current (typically 2.5 mA), which is essential for power-efficient designs.
• High Current Drive Capability: The device is capable of delivering up to 1A peak output current, allowing it to drive large capacitive loads with ease.
• Wide Input Voltage Range: It operates over a wide input voltage range, accommodating various power supply configurations and ensuring flexibility in design.
• Robust Protection Features: The UCC1802J883B includes a range of protection features such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown, safeguarding the system against potential damage.
• Military Specifications: As a military-grade component, it meets the stringent MIL-STD-883B standards for temperature, vibration, and shock resistance.

Applications

The UCC1802J883B is suitable for a variety of applications, including:

• DC to DC converters
• Off-line power supplies
• Portable devices
• Military and aerospace systems
• High-reliability industrial equipment

Quality and Reliability

Texas Instruments is known for producing high-quality components that stand the test of time. The UCC1802J883B is no exception, with its construction and testing tailored to meet the rigorous demands of military and aerospace applications. Users can trust in the reliability and longevity of this PWM controller for their critical power management needs.