TC1016-4.0VLTTR

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TC1016-4.0VLTTR Application Field and Working Principle

TC1016-4.0VLTTR is a linear voltage regulator commonly using in PMIC (power management integrated circuit) applications. It is an adjustable negative voltage regulator containing internal current and thermal regulation circuitry. This device provides a precise regulated output voltage, with a wide output range selectable from 2.0V to 4.0V.

The TC1016-4.0VLTTR provides fast transient response with superior electrical performance. It regulates the output voltage over a wide current range, with a stable output voltage over temperature variations. It is well suited for most consumer electronics, like HDTVs, MP3 players, etc.

Working Principle

The TC1016-4.0VLTTR has a two terminal control configuration, and uses an external resistor to control the output voltage. The working principle is based on the control action of the internal error amplifier. An output voltage is set by the voltage across a resistor (R1), which is connected between the SET terminal and the COMP terminal of the device. The output voltage of the regulator is measured by comparing the voltage at the SET terminal with a reference voltage at the COMP terminal. The voltage difference between the SET and COMP terminals results in a control current, which is amplified and used to control the output voltage.

The SET terminal is also connected to a line which has to be kept within a certain range to prevent overloading the regulator. To ensure this, a protection circuit (FET switch) is included inside the regulator, which will disconnect the SET terminal from the line when the voltage level exceeds a certain threshold.

In addition, an internal power supply is included. This power supply allows the TC1016-4.0VLTTR to supply enough current for operation even when the external power supply is not available. This internal power supply is designed to be highly efficient, allowing the regulator to maintain its output voltage even when the input voltage is very low.

The TC1016-4.0VLTTR also has over temperature and over current protection. Over temperature protection will shut down the regulator if the temperature reaches an unsafe level, while the over current protection will shut off the output voltage if the current exceeds the specified limit.

The TC1016-4.0VLTTR is a highly versatile and reliable linear voltage regulator. It is commonly used in PMIC applications and provides an adjustable output voltage across a wide range. Its fast transient response, low voltage drop, and quick current limiting make it an ideal choice for many consumer electronics.

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