TPS78233DDCR

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The TPS78233DDCR is an advanced linear voltage regulator that belongs to the power management integrated circuit (PMIC) category. It can provide hassle-free voltage regulation for highly demanding applications, such as for medical equipment, industrial, automotive and consumer usage. In this article, we will discuss the application field and the working principle of the TPS78233DDCR.

Application Field

The TPS78233DDCR PMIC is designed to deliver a regulated output voltage from a wide input range. Its broad selection of packages, coupled with its low-dropout (LDO) regulation performance and low quiescent current, make it suitable for various voltage regulation applications, such as:

• PCI Express® Graphics Card Voltage Regulation
• 3.3-V LAN Application
• +5V ATA Application
• +1.5V DDR SDRAM Application
• +2.5V USB Application
• +3.3V Application

Additionally, the device can be used in battery-powered applications, such as medical and automotive applications. This is because it offers low operating-standby current and shutdown current, allowing it to be fully optimized for battery-powered designs.

Working Principle

The TPS78233DDCR is an advanced linear regulator based on a low dropout technology. This type of regulator is capable of providing a regulated output voltage with a low dropout voltage, close to the input voltage. This is done with the help of a P-channel MOSFET and a feedback loop to regulate the output voltage.

The device features an Enable Pin (EN) that allows the device to be powered up and powered down in a controlled manner. When the Enable pin is high, the internal MOSFET is turned on, thus regulating the output voltage. When the Enable pin is deasserted, the internal MOSFET is turned off, causing the output voltage to drop to ground level.

The regulator also features an interrupt pin (INT). The INT pin can be used to notify the system when the output voltage reaches a certain threshold, or when the supply voltage falls below a certain level. This can be used to monitor the regulator\'s performance, or even to trigger other processes in the system.

Conclusion

The TPS78233DDCR is an advanced, low dropout linear regulator that belongs to the PMIC category. Its advanced enable and interrupt pins make it suitable for a variety of demanding applications. This device is specifically designed for battery-powered designs, and provides low operating-standby and shutdown current. Additionally, its low dropout voltage, coupled with its wide input voltage range and broad selection of packages, make it a top choice for voltage regulation applications.

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