TPS79301DBVRQ1

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Introduction

The TPS79301DBVRQ1 is an ultra-low quiescent current linear voltage regulator, ideal for portable appliances requiring long battery life. Its features and benefits include a maximum supply current of 150mA, an operating temperature range of -40°C to +125°C, an adjustable output voltage from 1.1V to 5.5V, reverse battery protection, and a quiescent current of only 35uA.

Application Field

The main application field for the TPS79301DBVRQ1 is in portable or battery-operated devices. Examples include: mobile phones, MP3 players, digital cameras, and hand-held tablets. It is also suitable for use in automotive and industrial applications such as LED lighting, barcode scanners, and other low-voltage DC power applications.

Working Principle

The working principle of the TPS79301DBVRQ1 is based on a voltage regulation technique known as a linear regulator. A linear regulator is an electronic component which maintains a constant output voltage, regardless of input voltage or load current changes. The circuit consists of an internal voltage reference, pass element, low-pass filter, and feedback loop. The pass element and feedback loop together regulate the output voltage, while the internal voltage reference ensures that the output voltage is maintained even when the supply voltage and load current changes.

Advantages

The main advantages of the TPS79301DBVRQ1 are its low quiescent current and wide operating temperature range. The low quiescent current of only 35uA is ideal for applications which need to conserve battery power, while the wide operating temperature range of -40°C to +125°C makes it suitable for use in many industrial and automotive applications. The output voltage is adjustable from 1.1V to 5.5V, making it suitable for a wide range of applications. In addition, the device also provides reverse battery protection, which prevents against shorts and other catastrophic events.

Conclusion

The TPS79301DBVRQ1 is an ultra-low quiescent current linear voltage regulator ideal for portable appliances requiring long battery life. Its features and benefits include a maximum supply current of 150mA, an operating temperature range of -40°C to +125°C, an adjustable output voltage from 1.1V to 5.5V, reverse battery protection, and a quiescent current of only 35uA. It is suitable for a variety of applications in mobile phones, MP3 players, digital cameras, hand-held tablets, LED lighting, barcode scanners, and other low-voltage DC power applications. The device’s low quiescent current and wide operating temperature range make it an ideal choice for battery-operated applications which require long battery life.

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