LT1108CN8#PBF

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LT1108CN8#PBF Application Field and Working Principle

LT1108CN8#PBF is a monolithic power management integrated circuit (PMIC) developed by Linear Technology Corporation to provide very high efficiency, low quiescent current and wide input voltage range for DC-DC switching regulators, which can be used in many applications in various industries. This article will discuss its application field, working principle, and advantages.

Application Field of LT1108CN8#PBF

The LT1108CN8#PBF device is a very high efficiency, low quiescent current and wide input voltage range step-down monolithic power management IC for DC-DC power applications. It offers the flexibility to accept an input voltage range of 4V to 40V, making it ideal for a range of applications, such as portable equipment and automotive power. The LT1108CN8#PBF is a low noise switching regulator with a wide input voltage range that can operate from either a single-ended supply or a regulated supply. It is also suitable for powering low voltage audio amplifiers, portable video cameras, cellular phones, computer peripherals, instrumentation, and automotive systems.

Working Principle of LT1108CN8#PBF

The working principle of the LT1108CN8#PBF follows the basic principles of DC-DC switching regulators. It uses a current-mode switch-mode to regulate the voltage output by switching on or off as required. The output voltage can be set by a resistive divider network, which enables fine adjustment of the output voltage from a wide input voltage range. There is also an internal compensation network to stabilize the output voltage. The LT1108CN8#PBF also incorporates an internal low dropout (LDO) regulator to further reduce the quiescent current to a minimum.

The LT1108CN8#PBF has an integrated low pass filter which enables it to provide a clean output with low ripple and noise for sensitive applications. Additionally, it has a logic-controlled shutdown mode which allows the regulator to be powered-down in an efficient manner, conserving power when not in use.

Advantages of LT1108CN8#PBF

The LT1108CN8#PBF offers many advantages over traditional DC-DC switching regulators, most notably it offers a very high efficiency with low quiescent current, wide input voltage range, and an integrated low pass filter which provides clean and low ripple outputs. This makes it suitable for a wide variety of applications in several industries, such as portable equipment and automotive power.

The LT1108CN8#PBF is also very easy to configure and use due to its integrated resistive divider network and compensation network, which enable easy fine-tuning of the output voltage and stabilization of the same. Additionally, its logic-controlled shutdown allows the device to be powered-down easily which ensures an efficient use of power when not in use. These features make it an ideal choice for a variety of applications in different industries.

In conclusion, the LT1108CN8#PBF is a very high efficiency and low quiescent current DC-DC switching regulator with a wide input voltage range and an integrated low pass filter for clean and low-ripple outputs. It is suitable for a wide variety of applications in several industries, including portable equipment, automotive power, audio amplifiers, video cameras, cellular phones, computer peripherals, instrumentation, and automotive systems.

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