LT1764AEQ-1.8#PBF

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Power management integrated circuits (PMICs) are electronic devices used to supply, convert and regulate voltage in electronic circuits. Linear voltage regulators are a type of PMICs used to regulate the output voltages of external power sources, such as battery cells. The LT1764AEQ-1.8#PBF is a typical example of a linear voltage regulator that is widely used in a variety of electronic applications.

The LT1764AEQ-1.8#PBF is a low dropout linear voltage regulator with a 1.8V fixed output voltage. It features an integrated low dropout (LDO) linear regulator that can provide up to 1.8V with an input voltage range from 1.4V to 5.0V. This regulator is designed to provide a ultra-low quiescent current, with a maximum of only 20µA. The LT1764AEQ-1.8#PBF also has a low output voltage noise of only 1µV over a wide frequency range from 10Hz to 100kHz. Additional salient features include excellent line/load regulation, fast transient response, improved temperature stabilization and thermal shutdown protection.

The LT1764AEQ-1.8#PBF\'s primary application field is in battery-powered portable devices. Its low quiescent current and low dropout voltage make it particularly suitable for applications that require a low output voltage over a wide input voltage range, such as digital cameras, cell phones and other portable electronic devices. It is also commonly used in automotive applications, such as in-car entertainment systems, GPS systems, satellite radios and rearview camera systems.

The operating principle of the LT1764AEQ-1.8#PBF is this: when a voltage is applied to the input, the device switches on, delivering a constant regulated output voltage at the output. The voltage drops across the input and output, resulting in a certain amount of power dissipation. The LDO linear regulator uses negative feedback in order to keep the output voltage at a constant level, with the amount of power dissipated being equal to the difference between the input and output voltages.

The LT1764AEQ-1.8#PBF is a reliable, low current linear voltage regulator that provides a fixed output voltage of 1.8V. It is used in a variety of portable electronic applications and features excellent line/load regulation, fast transient response, improved temperature stabilization and thermal shutdown protection. The device is designed for easy implementation in a variety of applications, and can be used as a constant voltage source in digital camera, cell phone and other battery-powered applications.

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