TPS70612DBVR

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TPS70612DBVR is a low quiescent current, high accuracy, ultra-low dropout voltage regulator integrated circuit. It belongs to Linear, a type of PMIC (Power Management Integrated Circuit), which helps to convert input voltages into a predictable output voltage and current. As a low power voltage regulator, the TPS70612DBVR is mainly used in consumer electronics, such as computers and mobile phones, to ensure lower power consumption and high accuracy without compromising performance.

The TPS70612DBVR operates with a fixed output voltage of 1.8V with an input voltage range up to 6V. When the input voltage is higher than the rated output voltage, the integrated circuit will drop the excess voltage so that the output voltage is the same as the rated output voltage. The TPS70612DBVR can operate in Dropout and Dropoutless modes, with a dropout voltage of typically 100mV and 200mV for Dropout and Dropoutless modes respectively. The low dropout voltage and low quiescent current enable the TPS70612DBVR to provide high efficiency and better output voltage accuracy under low loads.

The TPS70612DBVR is designed for high accuracy in terms of the output voltage regulation. It provides ±1% accuracy over the full output current range, 0.5A to 4 A. The output voltage remains stable even when the temperature changes from -40°C to +125°C and the line voltage deviation can vary from 4% to 16 %. The TPS70612DBVR has a fast transient response and can track load changes as quickly as 9 µs.

The TPS70612DBVR offers protection against over current and over temperature conditions. The over current protection limit can be programmed with external resistor ROCP ranging from 200 mV to 1.38 V. Additionally, the TPS70612DBVR has a thermal shutoff circuit which shuts off the output voltage when the temperature of TPS70612DBVR exceeds the set temperature limit. This thermal protection circuit prevents the device from permanent damages due to over temperature.

The TPS70612DBVR also offers shutdown pin which can be used to disable the output voltage when logic low (0V) is given at the shutdown pin. Additionally, it provides an enable pin which can be used to enable or disable the output voltage when logic high or low is given to the enable pin. The enable pin has an internal 200 mV programming voltage.

In summary, the TPS70612DBVR is an ultra-low dropout voltage regulator which can reduce power consumption while maintaining high accuracy. Its low quiescent current and low dropout voltage make it ideal for applications that require high efficiency and better output voltage accuracy under low loads. Additionally, its protection features make it suitable for any voltage regulation application. The TPS70612DBVR is widely used in consumer electronics and other applications such as communication devices and automotive systems.

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