TPS78230DRVR

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TPS78230DRVR is a linear voltage regulator that provides a low dropout solution for battery-assisted or power-sensitive system power supplies. It offers a wide input Voltage range up to 10V with up to 4A peak output current while providing excellent thermal regulation and low quiescent current. The device also features an adjustable 0.8V to 7.2V output and a low 7mV typ. line regulation. The integrated overcurrent protection (OCP) circuit with auto-retry ensures system reliability while the 0.85V typ. dropout voltage readily accommodates minimum input voltage conditions. The PGOOD active-low signal indicates device power-good and can be used to support microcontroller soft-start reset. Additional features include user adjustable soft-start, a power-save and low power mode.

TPS78230DRVR\'s working principle is quite simple. It is designed to act as an adjustable regulator and works by regulating the input of the device. The input voltage, VIN, is provided to the device, which then regulates the output VOUT at a different voltage level. The device regulates the output voltage by controlling a MOSFET connected between VIN and VOUT. A feedback loop is used to maintain a constant voltage at the output. This loop contains an internal error amplifier that senses the output voltage and controls the switch on or off to regulate the output voltage. This feature ensures that the output voltage remains constant regardless of the changes to the line or load voltage, making the device well suited for applications requiring a steady and reliable power supply.

TPS78230DRVR is primarily used in battery-assisted or power-sensitive system power supplies. It can be used in automotive, industrial and consumer applications that require a low dropout solution. These applications include smart metering, solar panel power conditioning systems, medical devices, handheld devices and automotive electronics. It can also be used in communications systems and is an ideal choice for powering microcontrollers and other logic circuits that require low dropout and high accuracy power supply.

TPS78230DRVR has many advantages, such as its low dropout voltage, wide input voltage range, excellent thermal regulation and low quiescent current. Its integrated overcurrent protection (OCP) circuit with auto-retry ensures system reliability and its adjustable 0.8V to 7.2V output and low 7mV typ. line regulation make it an ideal choice for applications requiring a steady and reliable power supply. In addition, the device features a power-save and low power mode and user adjustable soft-start, making it well suited for use in battery-assisted or power-sensitive systems.

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