UCC3807N-1G4

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UCC3807N-1G4 is a high-voltage monolithic chaotic orbit swappable DC-DC controller IC from Texas Instruments. This DC-DC controller IC can provide a continuous output current of 1A and adjustable current limit up to 2A.

The device can be used in a variety of applications, such as LED lighting, digital power supplies, point-of-load applications, offline converters, and cost-sensitive AC-DC applications. It is also suitable for Li-Ion battery charging applications and pulsing applications requiring moderate current.

Application Field of UCC3807N-1G4 DC-DC Controller IC

• Battery charging – Li-Ion battery charging applications
• Offline converters – Buck, Buck-boost, Flyback, Cuk, and synchronous buck topologies
• LED lighting – LED driver applications
• Automotive electronics – Automotive power systems
• Industrial electronics – Industrial power supplies and Point-of-Load (POL) applications

Working Principle of UCC3807N-1G4 DC-DC Controller IC

The UCC3807N-1G4 DC-DC controller IC is based on the Texas Instruments\' parallel-type control, a unique control technique that utilizes two control loops to accurately regulate the output voltage using two separate and independent control loops. This two-loop control topology ensures fast response time, high stability and excellent regulation accuracy by utilizing a voltage-mode loop and a current-mode loop. The voltage-mode loop is designed to provide stable output voltage regulation and achieves improved output voltage regulation accuracy by utilizing an internal low-dropout reference. The current-mode loop is designed to ensure good transient response, fast overload recovery and high power handling capability.

The UCC3807N-1G4 DC-DC controller IC features an adjustable output current limit and can be used in a variety of applications including LED lighting, digital power supplies, industrial power supplies and Point-of-Load (POL) applications. It is also suitable for Li-Ion battery charging applications and pulsing applications requiring moderate current.

The device has an integrated soft-start function, which allows the output voltage to gradually ramp up automatically during power-on or enable. This improves the start-up reliability and reduces the inrush current. The device also has output programmable OCP, OVP, PGOOD generator and programmable slope compensation capabilities.

The UCC3807N-1G4 DC-DC controller features a low input voltage range and high efficiency, making it an ideal solution for cost-sensitive AC-DC applications. Furthermore, the device incorporates various protection features and has an over-temperature protection function, making it ideal for a variety of applications in extreme conditions such as automotive and industrial.

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