TC1107-2.7VOA

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PMIC - Voltage Regulators - Linear

The TC1107-2.7VOA is a simple and low-cost three-terminal linear adjustable voltage regulator with high power supply rejection (PSRR). This voltage regulator offers a regulated voltage output from 1.2V to 3.3V in 500 mV steps. Due to its adjustable output voltage, it is suitable for a wide range of applications such as microcontrollers and digital signal processors. The device is available in 0.50 mm Pitch SOT-23-6 package.

Key Features

• Output Adjustable: 1.2 V to 3.3V in 0.5V Steps
• Rated Current: 800 mA
• High Power Supply Rejection (PSRR): 70 dB
• Reverse Leakage Threshold: 10 µA
• Low Quiescent Power Consumption

Applications

• Notebook/Netbook Computers
• Point of Sales Terminals
• Digital Cameras
• HDD Peripherals
• Consumer Electronics

Working Principle

The TC1107-2.7VOA is a linear voltage regulator that provides a regulated voltage output by using a voltage reference (VREF) and a logical combination of resistors. The device adjusts the VREF voltage to the desired output level by adjusting the reference voltage. The output voltage is inversely proportional to the ratio between two resistors connected to the VREF pin. This allows to easily adjust the output voltage to a specific value by changing the value of one of the resistors.

The TC1107-2.7VOA also uses a power MOSFET to regulate the current from the input to output. This makes the device more efficient and capable of providing greater current than the standard linear voltage regulator. The device also features a temperature protection circuit which automatically reduces the output voltage temporarily to prevent damage from overheating.

Conclusion

The TC1107-2.7VOA is a three-terminal linear adjustable voltage regulator that offers a simple and low-cost solution for providing a regulated voltage output. It offers high power supply rejection, low quiescent power consumption, and is available in a 0.50 mm Pitch SOT-23-6 package. The device is ideal for applications such as microcontrollers and digital signal processors.

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