LT3008IDC-5#TRMPBF

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The LT3008IDC-5#TRMPBF is a low noise high PSRR (Power Supply Rejection Ratio) linear regulator, designed to operate from a wide input voltage range (2.25V to 16V). It suits for many applications requiring a compact low power solution with high efficiency, allowing the device to operate over the full supply range with low quiescent current and excellent line and load regulation. This linear regulator is widely used in many applications.

Application Field

The LT3008IDC-5#TRMPBF linear regulator is suitable for many applications, such as ripple suppression and noise filtering, buffering, and adjustable voltage requirements, etc. Knowing the accuracy and efficiency requirements of the applications, it can be used in various applications, such as:

• Installing on the communication device to suppress the large ripple in the input voltage.
• Implementing buffer circuits and adjustable voltage amplifier on the microprocessor core.
• Implementing power supplies in laptop computers.
• Designing precision DC-DC converters in industrial automation.
• Installing battery charging systems to charging lithium ion batteries.

Working Principle

The LT3008IDC-5#TRMPBF linear regulator is designed to operate from a wide input voltage range (2.25V to 16V). It adopts a PNP-NPN pass transistor as its basic structure to regulate the output voltage. According to the load requirements and power output signals, the PNP-NPN pass transistor is controlled to adjust the output voltage to the target voltage.

The LT3008IDC-5#TRMPBF linear regulator works by comparing two voltages: the voltage between the FB pin and the GND pin, and the voltage of the reference voltage at the REF pin. When the output voltage is higher than the reference voltage, the output current flows from the ground to the output terminal, while when the output voltage is lower than the reference voltage, the output current flows from the output terminal to the ground. Therefore, the output voltage can be kept at the desired voltage value. And by increasing or decreasing the reference voltage at the REF pin, the target voltage of the output can be adjusted.

In summary, the LT3008IDC-5#TRMPBF linear regulator is designed to operate from a wide input voltage range and suitable for many applications requiring a compact low power solution with high efficiency. Its excellent line and load regulation makes it widely used in many applications. It adopts the PNP-NPN pass transistor as its basic structure and adjusts the output voltage by comparing the voltage between the FB and GND pins with the reference voltage at the REF pin.

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