TPS76325QDBVRQ1

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Texas Instruments TPS76325QDBVRQ1 is a linear low-dropout regulator (LDO) used for providing an output voltage with a very high accuracy to an electronic system. It is used in various applications such as powering up PC/Laptop equipped with high-resolution display panel like OLED technology or for providing precise voltage for ADC and other complex analog/digital circuits that are housed in a closed-loop system. The TPS76325QDBVRQ1 is part of TI’s family of Power Management and Voltage Regulation (PMVR) products, which are designed to provide reliable voltage regulation when integrated into end applications. This particular LDO is capable of providing up to 1A load current with a precise output voltage of 3.3V. The LDO also features a low quiescent current (as low as 1.5uA), an active High-Low-Off enable control pin, and an output voltage resistor divider to adjust output voltage with an accuracy of ±1%.

The TPS76325QDBVRQ1 is mainly used in active matrix LCD display applications that require a high level of accuracy and reliable, stable output voltage over a wide range of temperatures. It is suitable for powering high-resolution, high-color-depth LCDs that use OLED technology. The TJ, or the junction temperature, for this particular IC is –40°C to +125°C, which ensures that the device does not overheat even when it is exposed to harsh operating environments. The IC also features on-chip soft-start circuitry, built-in overcurrent and overvoltage protection, and can operate from a single 2.7V to 10V supply.

The working principle of the TPS76325QDBVRQ1 is relatively simple. It is basically a series regulation circuit in which the voltage applied to the chip is compared with a reference voltage. The chip then regulates the output voltage between the two values by utilizing an internal voltage divider with two NMOS transistors. The output voltage is determined by the ratio of the two resistors connected on the external pins of the IC. When the input voltage is lower than the reference voltage, the output voltage is set to the reference voltage. Once the input voltage reaches the required level, the LDO will start regulating the output voltage between the reference voltage and the input voltage. This ensures that the output voltage remains constant throughout the whole process.

The TPS76325QDBVRQ1 is an ideal solution for applications that require precise output voltage with high accuracy. Due to its low quiescent current and built-in protection features, this IC is also suitable for portable and battery-powered systems. Moreover, its wide operating temperature range (-40°C to +125°C) makes it an ideal choice for applications that are exposed to harsh operating environments for extended periods of time. Overall, the TPS76325QDBVRQ1 is an effective, reliable, and cost-effective solution for precise voltage regulation.

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