LM1086IT-1.8/NOPB

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The LM1086IT-1.8/NOPB is a 3-terminal low-dropout (LDO) regulator with a guaranteed output voltage of 1.8 V. It is typically used in a variety of automotive, telecommunication, and computer power supply applications such as notebook computer, digital cameras, PDA, and medical instruments that require a low output voltage. This voltage regulator is part of Texas Instruments\' portfolio of Power Management ICs (PMICs) and falls into the Voltage Regulators - Linear category.

The LM1086IT-1.8 is designed to deliver from 500 mA to 1.5 A of continuous output current, provide ultra-low dropout voltage at any load, and maintain the specified output voltage over all operating conditions. This device is designed with low noise performance, high PSRR, low quiescent current, and low ground current. It also requires minimal amounts of external components.

To ensure accurate regulation of the output voltage, the LM1086IT-1.8 utilizes an internal voltage reference, error amplifier, and a current source load switch. The voltage reference is a bandgap design that ensures a stable output voltage over a wide temperature range, while the current-source load switch helps reduce the dropout voltage at light load current. The error amplifier monitors the difference between the output voltage and the reference voltage and attempts to maintain their differential as close to zero as possible.

The LM1086IT\'s output voltage can be adjusted by connecting an external resistor divider to its REF terminal. This facilitates easy output voltage adjustments with only a few external components. The device also provides a 3-pin THR terminal. This terminal can be used to monitor the device temperature and provide an over temperature protection.

The LM1086IT-1.8/NOPB boasts of low on-resistance and low power dissipation characteristics. It offers excellent line and load regulation, low output voltage ripple and excellent transient response over a wide AC and DC input voltage range. It operates from a wide input voltage range of 1.2 V to 15 V, and its output voltage is adjustable from 1 V to 15 V. The device also provides short-circuit protection, current limiting and thermal shutdown features to protect itself and the load from excessive current and temperature.

The LM1086IT-1.8/NOPB is available in a SO-8 and 3-lead TO-220 packages, making it suitable for various applications that require a low dropout voltage and low power dissipation. This device has an operating junction temperature range of -40°C to 125°C and a storage temperature range of -65°C to 150°C.

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