LTC2903CS6-D1#TRPBF

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Power management integrated circuits (PMIC) are integrated circuits (IC) that have been designed to be used in modern electronic systems. This is an important device that is utilized in a wide range of applications such as automotive, boats, phones, and other web-enabled devices.

PMIC-Supervisors are specially designed to monitor the voltage of available power supply and reset the system in case of emergency shutdown or brownout. This type of device is most commonly used in systems that require constant voltage or power supply stability and to avoid any possible malfunctions by short circuit or over voltages.

LTC2903CS6-D1#TRPBF is a PMIC-Supervisor device from Linear Technology. It is built in an 8-pin SOIC packages and designed with PMOS digital pass transistor and dual Bias supply of +5V and +3V to reset the system when operating voltage falls below preset threshold.

The device is ideal for providing power supply latching and transitioning of loads under continuous current and thermal monitoring. It is used in applications including flash memory cards and digital systems to control and manage system operations. It provides supervisor functions in the systems like Battery powered devices, processors, RAMs, Flash memory and ASSPs.

Its working principle is to monitor the voltage of the available power supply signal. If the voltage exceeds a preset threshold, then the supervisor will mute an OUT signal, which will thus reset the system. This reset is done with the help of a PMOS digital pass transistor, which briefly drops its output when the voltage falls below set threshold. It then resets the system until the voltage increases again.

The LTC2903CS6 device features pulse protection, two selectable thresholds, superb accuracy, and wide range of supply current to configure reset events. It also offers alternate function of VDRAIN that helps to reduce the voltage at the drain of the source/drain PMOS transistor without changing the OUT signal. The device is designed to meet the requirements of a wide range of power system design and comes with an automated test feature, which enables robotic testing.

LTC2903CS6-D1#TRPBF is suitable for a wide range of applications. These include but are not limited to mobile phones and portable electronic devices, automotive systems, industrial systems, power management and monitoring, memory devices, PC motherboards, gaming consoles, and many other digital systems.

To sum up, LTC2903CS6-D1#TRPBF is among the most advanced PMIC-Supervisor devices that is used in various applications. It is effective in preventing system malfunctions by short circuit or over voltages and providing superior power supply stability. This device features pulse protection, two selectable thresholds, superb accuracy, wide range of supply current, automated testing, and excellent reset functions, making it an ideal choice for many power systems design.

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