TPS78236DDCT

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The Texas Instruments TPS78236DDCT is an ultra-low-power linear voltage regulator that requires an external boost circuit to operate. This device is designed to provide extremely precise and low-power voltage regulation in mobile, embedded, and IoT applications. It also features wide input voltage range, low quiescent current, low dropout voltage, 1µA shutdown current, and a wide operating temperature range. In addition, the TPS78236DDCT has fast transient response and excellent line and load regulation.

It has a wide range of output voltages and precise output voltage, which can provide excellent power supply for all kinds of circuits. The TPS78236DDCT is available in a small and thin DFN package, which makes it suitable for limited-space designs. This device also has integrated ESD protection, making it ideal for use in consumer products.

Applications of TPS78236DDCT

The TPS78236DDCT is suitable for applications that require ultra-low-power supply, such as wearable devices, IoT devices, industrial systems, and consumer electronics. Some applications include GPS receivers, audio power amplifiers, Bluetooth low-energy devices, cellular devices, RF transceiver, automation controllers, and more.

Working Principle of TPS78236DDCT

The TPS78236DDCT is a voltage regulator, which means it regulates the output voltage at a certain value by supplying current and consuming power. This device applies a boost circuit and uses feedback control to maintain the output voltage at a certain level, regardless of the input voltage or load current. The boost circuit will supply the extra current that is required to fulfill the input power and maintain the output voltage. The feedback control will regulate the output voltage by adjusting the resistance of the boost circuit to achieve the desired output voltage.

When the input voltage is low or the load current is high, the boost circuit will supply extra current to the output. This extra current will be used to offset the drop in the output voltage, thereby maintaining the output voltage at its desired level. On the other hand, when the input voltage is higher than the desired output voltage, the load current is low, or the input power is greater than the load power, the boost circuit will limit the output current and the resistance will be adjusted accordingly. This adjustment allows the output voltage to remain constant.

Summary

The TPS78236DDCT is a low-power linear voltage regulator that operates on an external boost circuit. It features a wide input voltage range, low dropout voltage, and high accuracy of output voltage. The device is suitable for ultra-low-power applications, including wearable devices, IoT devices, industrial systems, and consumer electronics. The working principle of the TPS78236DDCT is based on the boost circuit and feedback control, which allow it to maintain the output voltage at a certain level regardless of the input voltage or load current.

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