UCC2808D-1

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The UCC2808D-1, or under voltage lockout and integrated fault protection comparison device, belongs to the power management integrated circuit (PMIC) AC DC converters, offline switchers category. It features an internally-fixed low supply current and offers integrated fault protection, including the under voltage lockout feature, to protect against a wide variety of overcurrent and overvoltage problem.

The UCC2808D-1 is a comparing device that locks-out when matched voltages are compared and the supply voltage is lower than the set (VCC) under voltage level. This device compares the voltage at its non-inverting input (VP) to a fixed reference voltage (VS ) internally in the device. It has a TTL compatible output and a positive-going output waveform. The device provides overvoltage protection and an overcurrent shutdown. This feature helps assure that the UCC2808D-1 will safely work with a wide range of line, load, and system conditions. This immunity to routine and unexpected overvoltages and undervoltages, in addition to current transients, makes the UCC2808D-1 ideally suited for a variety of applications.

The UCC2808D-1 provides a versatile solution for any device requiring an input voltage protection and a monitoring circuit. This device is an ideal choice for MP3 players, digital cameras, and other portable electronic devices that require low power consumption while locking out when the supply voltage is too low. Because of its low current consumption, the UCC2808D-1 is well-suited for battery-powered applications.

The working principle of a UCC2808D-1 is relatively simple. The chip has an output pin (OUT) and a low voltage protection threshold pin (UVLO pin). When the voltage at the UVLO is higher than the voltage at the OUT pin, the chip will lower the output voltage, letting the system know that the voltage at the OUT pin is lower than the voltage at the UVLO pin. This in turn allows for the system to know when it is low in voltage and to shut down. In order to prevent the system from being damaged, the UCC2808D-1 can be set to switch off the system automatically when the voltage at the UVLO is reached.

The UCC2808D-1 is also capable of providing fault protection to help protect against short-circuit, overcurrent, and overvoltage conditions. The comparison device offers integrated fault protection including the under voltage lockout feature to protect against a wide variety of overcurrent and overvoltage problem. This feature helps to ensure that the UCC2808D-1 will safely work with a wide range of line, load, and system conditions. With the UCC2808D-1, the user is able to protect circuits from operating in conditions of low input voltage, high input current, or high output current.

In conclusion, the UCC2808D-1 is a versatile, low power consuming comparing device that belongs to the power management integrated circuit (PMIC) AC DC converters, offline switchers category. It is an excellent choice for applications requiring protection against adverse voltage and current conditions. The UCC2808D-1 works by comparing the voltage at its non-inverting input to a fixed reference voltage. It also provides fault protection to ensure proper operation, even when line and load conditions are outside of the normal operating range.

The specific data is subject to PDF, and the above content is for reference