TPS76918EVM-127

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The TPS76918EVM-127 evaluation module is a low-dropout (LDO) linear voltage regulator specifically configured for enhanced precision and ultra-low-power applications. It addresses the need for providing high-precision supplies on a tiny circuit board with limited space. This is critical for cost effective through-holes, high speed pick and place machines, or tight design loops.

The TPS76918EVM-127 is a 3-terminal, constant-output, low-dropout, linear voltage regulator. With its wide input voltage range, low quiescent current, and low dropout voltage, the TPS76918EVM-127 is perfectly suited for a variety of applications in areas like automotive, telecommunication, consumer, and industrial.

The TPS76918EVM-127 features a low quiescent current (<5 µA) and an adjustable output voltage (down to 0.6V). This enhances system stability and ensures the device’s ultra-low power operation. In addition, the device features short-circuit protection and over-temperature protection. The device is fully RoHS complaint.

The TPS76918EVM-127 is designed to accept an input voltage of 2.7V to 3.6V, and accurately regulate the output voltage of 0.6V to 1.2V. It is designed to deliver up to 200mA (± 5 %) of continuous output current. The device operates within a temperature range of -40°C to +125°C.

The TPS76918EVM-127 is an excellent choice for applications wherein a very low output voltage and very low output noise is required. Such applications include low voltage supply circuits in high end consumer electronics, such as digital audio players and multi-functional portable devices. It is also suitable for other applications such as RF front-end circuitry, interface and power generation in 5 V based applications.

The TPS76918EVM-127 offers efficient power conversion over a wide input voltage range. Its low dropout voltage allows it to regulate output current effectively even at minimal input voltage differences. It also features wide operating temperature range and an extended adjustable output voltage range.

The TPS76918EVM-127 contains an error amplifier, a P-channel MOSFET as a resistor, a low-dropout regulator, and other components on a 16-pin exposed pad package. It features two external pins which can be used to adjust the output voltage through an adjustable voltage divider network.

The error amplifier with the two external pins is responsible for setting the switch on voltage. When the input voltage exceeds the set output voltage, the amplifier sets the MOSFET switch to turn on and start regulating current flow. As the input voltage decreases, the error amplifier increases the switch-on voltage and keeps the output voltage constant.

The TPS76918EVM-127 features an on-board, low-dropout (LDO) regulator which ensures reliable operation with very low noise at low input voltage. This LDO regulator also provides output voltage accuracy to within +/- 5% over the entire temperature range. The wide operating temperature range and low-dropout voltage ensure stable operation in extreme environmental temperatures.

In summary, the TPS76918EVM-127 is designed for ultra-low power applications. Its low quiescent current, low-dropout voltage, wide input voltage range, and excellent regulation properties make it an excellent choice for powering portable and consumer devices. It is also perfect for regulating voltage in high end consumer electronics, RF front-end circuitry, interface, and 5V based applications.

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