L9777A

Series:	*
Packaging:	Tube
Part Status:	Active
Current - Output:	--
Operating Temperature:	--
Mounting Type:	Surface Mount
Package / Case:	PowerSSO-12
Supplier Device Package:	PowerSSO-12
Base Part Number:	L9777

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L9777A Application Field and Working Principle

The L9777A is a high-performance, low noise linear voltage regulator IC for high current applications. It is an advanced three-terminal device designed for regulating the output voltage of a fixed input power source. The L9777A is designed for use with a wide range of input current and output voltage applications. The L9777A offers high efficiency, low voltage ripple and high output current.The L9777A is a stable three-terminal linear voltage regulator. It features fast transient response and low voltage ripple. The output voltage is internally set and can be adjusted with an external voltage divider. The regulator can be used to supply a range of output voltages between 1.1 V and 20 V, depending on the input voltage and the series resistor used. The L9777A is ideal for providing a regulated supply voltage where a regulated output voltage is required with minimal noise.Typical applications for the L9777A include:

• High current, low voltage SMPS circuits
• Power amplifiers
• High current, low noise AC to DC converters
• Voltage regulators for industrial and automotive applications
• Motor speed controllers

The L9777A has a wide input voltage range from 6 V to 40 V and can provide a regulated output voltage with a peak current of up to 2.5 A. The L9777A also has a low quiescent current and low temperature rise, making it ideal for use in high temperature environments. The device features an over-temperature protection, a short-circuit protection and a thermal shutdown. The L9777A utilizes an internally compensated internal current regulator to provide a uniform output voltage regardless of load and input voltage. The device includes a sink current limiter that prevents the output voltage from dropping below the set output voltage. It also features an internal temperature compensation circuit that allows the device to accurately regulate even when the ambient temperature changes.The L9777A is a highly versatile voltage regulator IC with a wide range of applications. It is capable of providing a stable and clean output power supply for sensitive high current applications. With its wide input voltage range, thermal shutdown and short-circuit protection, the L9777A is well-suited for a variety of industrial and automotive applications.

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