LT3086IDHD#PBF

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What is the LT3086IDHD#PBF? It is a low-dropout linear voltage regulator (LDO) from Texas Instruments\' Linear Technology. This device features an exceptionally low dropout voltage of 0.195V at 150mA of load current, making it suitable for use in portable applications that require low power consumption and a stable output voltage. In addition, the device has an input voltage range of 1.8 V to 22V, making it suitable for a wide variety of input voltages.The LT3086IDHD#PBF is a versatile device that can be used in a variety of applications, ranging from powering microprocessors, FPGA’s, and ASICs, to providing a regulated output voltage for advanced medical imaging, power supplies, and instrumentation. In addition, the device can be used as a current-limiting regulator to prevent overvoltage conditions and other ammeter ripple rejection applications due to its robust output current capability of up to 1.2A.The LT3086IDHD#PBF can be specified with an adjustable output voltage from 1.2V to 20V and with a temperature range from –40°C to +125°C allowing it to operate in a variety of environments. It has an enable/shutdown function that makes it possible to control the device’s output stage remotely, helping to reduce power consumption and increasing efficiency in applications where power cycling is required. The device also features low noise, high PSRR enabling it to provide a clean output voltage in a noisy environment.The LT3086IDHD#PBF’s integrated protection features include over-voltage protection, under-voltage protection, and over-current protection. These features offer the necessary protection to the device and components connected to it while operating within specified conditions. Furthermore, the device is electro-magnetic interference (EMI) compliant and is rated for operation in a high temperature environment, making it suitable for a wide range of industrial and automotive applications, as well as for outdoor environments.The working principle of the LT3086IDHD#PBF is fairly straightforward. An input voltage is applied to the device’s input terminals, which is then monitored by the internal reference voltage source. This reference voltage then adjusts the internal pass transistor’s gate voltage accordingly in order to maintain a stable output voltage. The output voltage is monitored at the device’s output pin to ensure the desired voltage level is maintained. If the output voltage falls below the reference voltage, the pass transistor’s gate voltage is adjusted to allow the output voltage to increase. Conversely, if the output voltage rises above the reference voltage, the gate voltage is adjusted to reduce the output voltage. This mechanism enables the LT3086IDHD#PBF to maintain its output voltage level within a specific tolerance range, usually within 10%.In conclusion, the LT3086IDHD#PBF is a versatile and reliable low-dropout linear voltage regulator ideal for applications where a stable output voltage is required. Its wide input voltage range, low dropout voltage, robust protection features and a temperature range of -40°C to +125°C make it suitable for a wide variety of applications. Additionally, its ability to be remotely controlled with an enable/shutdown function allows for efficient power management when required.

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