Product Overview: UCC2804PW by Texas Instruments

The UCC2804PW from Texas Instruments is a low-power, biCMOS current-mode pulse-width modulation (PWM) controller. This advanced device is designed for a wide range of power supply applications, offering the perfect balance between performance and energy efficiency. Its compact surface-mount package makes it suitable for space-constrained applications.

Key Features

• Operating Range: The UCC2804PW operates at a supply voltage range of 4.5V to 5.5V, making it versatile for various low-voltage applications.
• Frequency Range: It features a programmable switching frequency that can be set from 100 kHz to 1 MHz, allowing designers to optimize their design for efficiency or component size.
• Current Mode Control: This method of control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease of loop compensation.
• Low Startup and Operating Current: The device boasts a low startup current of 0.5 µA and an operating current of 2.5 mA, contributing to the overall power efficiency of the system.
• High-Efficiency Operation: The UCC2804PW is designed for high-efficiency power supplies, with features that reduce power losses during operation.
• Protection Features: It includes a variety of protection features such as under-voltage lockout (UVLO), over-current protection, and a thermal shutdown mechanism to safeguard the system under extreme conditions.

Applications

The UCC2804PW is ideal for a range of applications, including:

• Off-line power supplies
• DC-DC converters
• Portable devices
• Telecommunication equipment
• Green-mode power supplies

Package and Quality

The device is available in a 14-pin TSSOP (Thin Shrink Small Outline Package), which is RoHS compliant and designed for surface mount technology (SMT). Texas Instruments ensures high-quality standards for reliability and performance, making the UCC2804PW a trusted choice for engineers and designers in the electronics industry.