UCC3807N-2

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The UCC3807N-2 is a member of On Semiconductor’s wide range of integrated AC/DC converters, diodes and thyristors. This device belongs to the PMIC - AC DC converters, Offline Switchers family and it represents a high performance, high efficiency, single stage offline converter. The UCC3807N-2 is a very reliable device and is widely used in many applications, due to its compact size and excellent thermal performance.

The UCC3807N-2 enables designers to create efficient, cost-effective applications. It is a current-mode, hysteretic, high performance, low power, low cost, off-line fixed frequency, non-isolated, DPS converter. It is especially suitable for lighting applications, consumer electronic products, adapters and chargers. The converter has a high conversion efficiency, due to is low output voltage ripple and fast transient response.

The UCC3807N-2 features a high-accuracy, low-power, primary- Controlled oscillator (PCC) to ensure that the switching frequency is completely stabilized and reduces electromagnetic interference. The operating temperature of the device is -40° to +125°C and the power efficiency can reach up to 99%.

The UCC3807N-2 provides a wide range of output current and voltage ratings, allowing for a wide range of applications. This device is ideal for powering White LED backlighting applications with single-stage circuit topologies, as the output current can reach up to 2A. Other features such as Over-Current Protection (OCP), Over-Voltage Protection (OVP) and Power Good Signal (PGS) make it suitable for other applications as well.

The UCC3807N-2 utilizes a synchronous rectifier for high efficiency, as well as internal MOSFETs for high power conversion efficiency and low output voltage ripple. The main components include an input voltage supervisor, multiple currents sensing circuits, a boost diode, and a UVLO required to ensure that the UCC3807N-2 is correctly positioned in the application circuit.

The UCC3807N-2 allows flexibility of design and is suitable for use in a variety of applications such as AC/DC power management applications. The device includes many protective features such as OVP, OCP, PGS and thermal protection which provides reliable operation and long lifetime of the electronics. The high switching frequency allows noise-free operation of the device and reduces EMI.

In conclusion, the UCC3807N-2 from On Semi is a highly efficient, versatile, and cost-effective PMIC - AC DC converters, Offline Switchers. It is suitable for a wide range of applications and provides the necessary protection features for reliable operation. The main features of this device include high-accuracy and low-power, single-stage high performance, current mode, synchronous rectifier, and wide operating temperature range. All of these features make the UCC3807N-2 an ideal choice for many modern applications.

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