LP38859T-0.8

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Linear voltage regulators are crucial components in numerous electronics, acting as the control systems between input and output voltages. The LP38859T-0.8 is a precise low-dropout linear voltage regulator (LDO) designed for powering applications in battery-powered portable electronic devices. It features an ultra-low quiescent current of 0.7 μA and a low dropout voltage of 0.8 V, making this an ideal positive voltage regulator. The LP38859T-0.8 also features a wide operating temperature range, from -40°C to 125°C, making it a suitable option for various applications. In this article, we will discuss the LP38859T-0.8 application field and working principle.

The LP38859T-0.8 can be used in a variety of applications, such as digital cameras, cell phones, and battery-powered applications. It can also be used in power management solutions with a battery voltage range of 3V to 5.5V. This makes it suitable for applications in mobile and portable electronics where space saving, efficiency, and low cost are important factors. It can also be used in medical devices and other devices requiring controlled levels of power.

The LP38859T-0.8 is an ultra-low dropout linear voltage regulator featuring both fixed and adjustable output voltage options. It provides an output voltage accuracy of ±1.5% over the operating temperature range and a maximum output current of 500 mA, making it suitable for powering a wide range of loads. The wide operating temperature range of -40°C to 125°C ensures stable output performance, even in harsh conditions. Additionally, it features a wide input voltage range of 3V to 8V, making it suitable for a variety of power sources.

The LP38859T-0.8’s working principle is based on the principle of feedback control. In feedback control, the output voltage is regulated by comparing the output voltage with a given reference voltage. The output voltage is then adjusted by varying the magnitude of the bias current applied to the base of the transistor in the regulator circuit. During normal operation, the LP38859T-0.8 regulates the output voltage in order to maintain the output voltage at a predetermined level.

The LP38859T-0.8 also features low quiescent current, with a maximum quiescent current of 0.7 μA. This makes it very efficient, as it consumes only a fraction of the current compared to other linear voltage regulators. Additionally, the device features over-temperature and over-current protection to protect against damage in the event of a fault. Moreover, it features an overvoltage protection feature for preventing damage in the event of an overvoltage condition.

The LP38859T-0.8 is a precise and efficient low-dropout linear voltage regulator, making it a suitable option for powering various applications in portable electronic devices. It features a low quiescent current and a wide operating temperature range, making it suitable for a variety of applications. Additionally, it features a wide input voltage range and an adjustable output voltage for precise output regulation. With these features, the LP38859T-0.8 is an excellent choice for powering battery-powered devices, medical devices, and mobile or portable electronics.

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