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UCC2809PW-1

Part No UCC2809PW-1
Manufacturer Texas Instruments
Catalog PMIC - AC DC Converters, Offline Switchers
Description IC REG CTRLR PWM CM 8-TSSOP
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Tube/Rail
Status Active
Output Isolation Isolated
Topology Boost, Flyback, Forward
Voltage - Start Up 10V
Supply Voltage - Operating 8 V to 19 V
Duty Cycle 70%
Frequency - Switching 1MHz
Control Features Frequency Control, Soft Start
Temperature Range - Operating -55°C to 150°C (TJ)
Case / Package 8-TSSOP
Mounting Surface Mount
Win Source Part Number 1115798-UCC2809PW-1
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian UCC2809PW-1 CAD Model

Description

Product Overview: Texas Instruments UCC2809PW-1

The UCC2809PW-1 from Texas Instruments is a versatile and efficient power management integrated circuit designed for use in a wide range of applications. This device is part of the UCC2809x family of low-power, BiCMOS current-mode PWM controllers. It is specifically engineered to deliver precise power control and is suitable for both isolated and non-isolated power supply designs.

The UCC2809PW-1 operates with a supply voltage range of 4.5V to 15V, making it adaptable to various circuit configurations. It features a fixed-frequency current mode control method which provides stable operation over a wide range of supply and output voltages. The device also includes a built-in error amplifier, a precision reference voltage, and an oscillator with a frequency range up to 1MHz, allowing for flexibility in designing the power stage of the system.

With its dual alternating outputs (OUTA and OUTB), the UCC2809PW-1 can be used for push-pull, half-bridge, or full-bridge power converter topologies. These outputs are capable of directly driving power MOSFETs or IGBTs, which simplifies the design of power stages and reduces component count. The device also features soft-start functionality, which limits inrush current and ensures a smooth power-up sequence.

Safety and reliability are key aspects of the UCC2809PW-1 design. It incorporates multiple protection features such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown. These features enhance the overall system robustness and help prevent damage to the IC and the power system it controls under abnormal conditions.

The UCC2809PW-1 is available in a TSSOP-8 package, providing a compact solution for space-constrained applications. Its industrial-grade operating temperature range from -40°C to +85°C ensures reliable performance in harsh environments. Whether for use in power supplies, DC-DC converters, or other power management tasks, the UCC2809PW-1 is a high-performance choice for designers looking to optimize their power systems with a trusted and efficient solution from Texas Instruments.

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