LT1763IS8-1.8#TRPBF

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The LT1763IS8-1.8#TRPBF is a micropower, low dropout, positive voltage regulator. It can provide loads up to 600 mA and regulate output current with an accuracy of ±2%. The LT1763IS8-1.8#TRPBF is designed for battery-power portable applications and provides low quiescent current operation and low dropout voltage typically ? 0.3 V at 600 mA. This device is suitable for systems where output current requirements exceed 100 mA.

Application Field

The LT1763IS8-1.8#TRPBF is used in a wide range of applications, including:

• Digital still cameras
• Portable audio players
• MP3 players
• Portable game consoles
• Mobile phones
• GPS/Navigation systems
• Tablet computers
• Notebooks

The LT1763IS8-1.8#TRPBF is well-suited for battery-powered systems due to its low quiescent current. The device\'s output voltage is also adjustable, allowing it to meet the majority of ultra-low power portable application requirements.

Working Principle

The LT1763IS8-1.8#TRPBF is a linear voltage regulator that uses its internal circuitry to regulate an input voltage and produce an output voltage that is fixed. It works by monitoring the output voltage and controlling the transistor inside the device to maintain the output voltage within a predetermined range. The LT1763IS8-1.8#TRPBF is designed to work with an input voltage of up to 22V and an output voltage range of 1.8V ±3%.

The device offers Thermal Shutdown and Current Limit protection modes to protect against overloads. The Thermal Shutdown mode protects the device from heat generated by excessive current draw. When the heat generated by the device exceeds approximately 150°C, the Thermal Shutdown circuitry is triggered, shutting down the device until the temperature decreases below the Thermal Shutdown threshold.

The Current Limit mode protects the device from excessive current draw by shutting off the output when the current exceeds the rated Current Limit value. This mode is also triggered when the device is not able to regulate the output voltage within the specified margin of error and the current is allowed to exceed the rated level.

The LT1763IS8-1.8#TRPBF includes a disable function, allowing the output to be turned off. This function is useful for applications where the output voltage needs to be cycled on and off for power savings or in order to reduce the power dissipated by the device.

The device also features a low quiescent current operating mode, which allows the device to operate at very low currents, as low as 10µA, at low loads and input voltages.

The device is designed with short-circuit protection and reverse-battery protection, allowing it to function reliably in a variety of environments.

The LT1763IS8-1.8#TRPBF is a versatile linear voltage regulator that can be used in battery-powered, portable applications such as digital cameras, portable audio players, MP3 players, portable game consoles, mobile phones, GPS/Navigation systems, tablet computers, and notebooks.

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