TPS72733DSET

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The TPS72733DSET is an advanced low drop-out three terminal positive adjustable or fixed voltage, low power linear regulator. The device offers a very low quiescent current of 1 µA, making it suitable for battery-powered systems and small, low power applications. It includes an enable control which helps to reduce the power dissipation. The TPS72733DSET is available in SOT223-6 and SOT23-5 packages.

Application Field

• Power management in small, low power devices and systems.
• Computer Peripherals
• Consumer Electronics
• Intelligent control systems.
• Wireless Sensor Networks.

Working Principle

The TPS72733DSET is a positive voltage regulator with a maximum output current of 18mA. It works on a three-terminal system with a sense terminal for sensing the output voltage directly at the load. The regulator utilizes a basic feedback loop where a signal is routed from the output to the error amplifier. The impedance from a fixed voltage reference is compared to a signal from the output. The error amplifier then creates a signal to adjust the gate voltage of a Nch MOSFET which is used to control the output voltage. The internal load switch is enabled by an external signal through the enable pin, which is necessary to minimize power consumption. The TPS72733DSET also features temperature protection, reverse current protection, over-voltage protection and thermal shutdown.

The voltage regulator features very low quiescent current, low drop-out voltage, current limit and short-circuit protection. It is also protected against over temperature and output short-circuit. The device is ideal for battery-powered systems and associated low power applications.

The TPS72733DSET is designed for monitoring the output voltage of a regulated power supply. It provides 5V to 24V input voltage and 5V to 25V output voltage selection range. The voltage regulator features a low quiescent current and provides current limit and short-circuit protection. It is available in SOT223-6 and SOT23-5 packages.

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