TC1303B-ZS0EMFTR

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TC1303B-ZS0EMFTR is a multi-function power management integrated circuit (PMIC) device intended for a wide range of power supply applications. It includes both linear and switching voltage regulator stages and features many outputs with low output voltage, wide range of input and output voltage, high current, low output voltage noise and high power good component safety. This device is available in a variety of packages, including a small 0.9mm SMD package.

The primary application field of the TC1303B-ZS0EMFTR is for wireless application processors, portable devices, wearable electronics, connected home appliances, and wearable medical applications. It is designed to meet the requirements of these applications, with high current and low voltage noise at all switching frequencies.

The TC1303B-ZS0EMFTR is capable of both linear and switching voltage regulation. Its switching voltage regulator mode is best used when the device is supplying power to peripheral components that require a constant voltage. The linear regulator mode works by varying the output voltage in order to maintain a constant output current, while the voltage of the input power supply is changing.

In switching mode, the TC1303B-ZS0EMFTR features a variable frequency oscillator (VFO) that is used to drive both LOW-SIDE and HIGH-SIDE MOSFETs. The frequency is controlled by an external RC network that sets either ON or OFF time for the outputs. This allows for an efficient implementation of the switching functionality, with a low output voltage drop across the device.

The linear regulator mode works by connecting a reference voltage to the gate of the output MOSFET. This internal reference voltage is compared to the output voltage and appropriate feedback is used to control the output voltage of the MOSFET. The output voltage can be adjusted through the external resistor network, allowing for fine-grained control of the output voltage.

The TC1303B-ZS0EMFTR also utilizes a shutdown pin to power down specific devices, allowing for additional power savings. This pin can also be used to turn off the complete device when no output is required.

Overall, the TC1303B-ZS0EMFTR is a cost-effective, feature-rich solution for power management applications. Its versatile combination of linear and switching voltage regulator stages make it well suited for a variety of applications, ranging from consumer electronics to industrial applications.

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