TLV73318PDQNR3

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TLV73318PDQNR3 is a three-terminal low dropout (LDO) linear voltage regulator device, which is classified into PMIC - Voltage Regulators - Linear. TLV73318PDQNR3 provides a fixed output voltage of 3.3V and is designed to be used in general-purpose applications to accurately regulate regulated output current up to 100mA maximum. It is designed to operate with a supply voltage of 2.7V to 15V, and provides an adjustable output voltage that can be adjusted down to 1.8V. The regulator works with a fixed-voltage output and typically exhibits very low dropout voltage, due to its close proximity to the input voltage.

TLV73318PDQNR3 includes an output voltage current-limiting circuit, thermal shutdown and enable terminals. The current-limiting circuit limits the output current versus voltage from VIN to GND. The thermal shutdown feature limits the junction temperature of the device to 140°C. The enable terminal allows the user to enable or disable the LDO output. The enable input operate in either active-low or active-highdepending on the selection of the EN pin voltage.

The TLV73318PDQNR3 is primarily used in applications where a precise, low-noise output voltage is required. It is ideal for general-purpose applications requiring low dropout and low output noise, such as automotive systems, cellular phones, PDA\'s, notebook computers and other handheld electronic devices. The output noise of TLV73318PDQNR3 is typically below 10µV RMS which is suitable for use in any communication application. The minimum input voltage of TLV73318PDQNR3 is 2.7V which makes it suitable for use in single lithium cell applications.

TLV73318PDQNR3 works on the principal of linear voltage regulation and uses external components to accurately regulate the output voltage. It works by converting the input voltage to a precise output voltage with a low dropout voltage via an internal series pass transistor. A bandgap reference device is used to generate the internal reference voltage which is compared to the output voltage. An error amplifier compares the output voltage with the reference voltage and provides the necessary feedback to the voltage regulator. The error amplifier senses any deviation from the output voltage, and then adjusts the input voltage with the series pass transistor to compensatethe load current. The load current is then regulated through the non-overlapping control circuit. This non-overlapping control circuit is used to reduce the peak output current and improve the overall efficiency.

TLV73318PDQNR3 also includes an output voltage current-limiting circuit, thermal shutdown, and enable terminals for controlling the output voltage and current. The current-limiting circuit limits the output current versus voltage from VIN to GND. The thermal shutdown feature limits the junction temperature of the device to 140°C. The enable terminal allows the user to enable or disable the LDO output. The enable input operate in either active-low or active-high depending on the selection of the EN pin voltage.

In summation, TLV73318PDQNR3is an excellent choice for precision voltage regulation in general-purpose and single-lithium cell applications. The device offers superior performance in terms of output noise, dropout voltage and load regulation. The current-limiting, thermal shutdown and enable terminals provide added protection and allow the user to control the output voltage and current. In addition, the device operates with a supply voltage of 2.7V to 15V, and provides an adjustable output voltage that can be adjusted down to 1.8V.

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