UCC3807N-1

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UCC3807N-1, a family member of Universal Caliper Corporation (UCC) series of intelligent Digital Analog Hybrid (DAH) switching controllers, delivers an advanced battery-based power management solution for portable and power-sensitive applications and offers an accurate and reliable soft-start/soft-stop function for AC/DC and DC/DC converters. This versatile device combines a wide range of analog and digital features to provide versatile, cost-effective and best-in-class performance.

Applications

UCC3807N-1 has a variety of applications within the device such as LED backlighting, battery management and charger control, power management for industrial, automotive, and portable and wireless systems, as well astransformer isolated buck and boost converters. As these components are built for high efficiency and optimized for low bill-of-materials BOM costs and solution size, the UCC3807N-1 provides an economical solution for a variety of low-power applications.

Working Principle

The UCC3807N-1 is based on a hysteretic architecture, which allows for a high level of performance optimization. The duty cycle of the power switch is regulated by a pulse width modulation (PWM) signal. The PCM allows the device to generate a stable output voltage and current. The switching frequency is controlled by a temperature compensated reference voltage. This allows the UCC3807N-1 to accurately regulate and generate a regulated output voltage across a wide input range.

The UCC3807N-1\'s open loop control approach helps reduce the total solution size, which is determined by the number of external components used. The high resolution switching frequency range of the UCC3807N-1 enables precise control of the device to achieve high efficiency at low power levels, and the device also features a soft start function that helps reduce high inrush current during startup. Additionally, the UCC3807N-1 includes over current protection and thermal shutdown modes, ensuring safety and reliability of the system.

Conclusion

UCC3807N-1 are high-efficiency and low-cost switching controllers for DC/DC converter and AC/DC power supplies. These components offer a convenient and cost-effective solution for a variety of applications. The temperature compensated reference voltage and the high-resolution PWM signal combined with integrated protection make the UCC3807N-1 an ideal choice for supplying power to low-power and battery-based applications.

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