TPS70612DRVR

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TPS70612DRVR Application Field and Working Principle

The TPS70612DRVR is a Linear Voltage Regulator with adjustable output and micropower 500mA of low-dropout Regulator (LDO). TPS70612DRVR is a monolithic PMIC that provides a buffered output with high accuracy and quiet operation. It is employed in a variety of applications including cellphones, laptop, and other portable electronics.The chip is made using a highly efficient and reliable low-power process. Its superior noise performance ensures that the output voltage is constantly regulated at the precise level. It offers automatic protection against short-circuits, over-temperature, and over-load. Its “low” status allows it to be integrated into small form-factor designs.

Features & Benefits

• Wide input voltage range of 3.0V to 6.0V
• Selectable output voltage levels from 0.9V to 5V in 100mV steps
• Low dropout voltage (400mV) for high power conversion efficiency
• Low operating current (100 μA typical) for very low power consumption
• Excellent temperature stability and accuracy over the -40C to +85C temperature range
• High PSRR and low output noise for low noise operation
• Integrated protection features to prevent over-temperature, voltage, and current conditions
• Programmable soft start to protect the circuit during startup
• Integrated power logic to control power up and power down sequencing

Working Principle

The TPS70612DRVR regulator consists of an error amplifier and an output buffer. The error amplifier compares the regulated output voltage to a precision reference voltage and amplifies the difference. The output buffer amplifies the output of the error amplifier and supplies current to the load. The input voltage is regulated using feedback control. The regulator is designed to provide a regulated voltage independent of load current, input voltage, and temperature variation. The output voltage is adjustable over a range of 0.9V to 5V in 100mV steps.

Applications

• Cell Phones, Smart Phones and Tablets.
• Notebooks and Netbooks.
• Power Management ICs.
• PDAs and Handheld Computing Devices.
• Portable Gaming Devices.
• Portable Electronics.

Conclusion

In summary, the TPS70612DRVR is an adjustable, micropower low-dropout linear voltage regulator. With its wide-ranging features and benefits, it is suitable for a variety of applications including cell phones, laptops, and other portable electronics. The regulator is designed with protection features against short circuits, over-temperature, and over-load status. Its “low” status allows easy integration into small form-factor designs. These features make the TPS70612DRVR an attractive choice for battery-powered applications.

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