SC79L05ABDR2G

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SC79L05ABDR2G is a linear voltage regulator with a large variety of applications. It is a 3-terminal low dropout voltage regulator (LDO), and it can be used to deliver a constant voltage of between 1.5 V and 10 V at up to 1 A (1 A with a maximum of 30 mV dropout voltage).

The SC79L05ABDR2G is a low power consumption voltage regulator with integrated over-voltage, over-current and over-temperature (thermal) protection and can replace fixed or adjustable linear regulators in most applications. It is available in a very small standard E-SOT223-4 package footprint and is suitable for use in dense PCBs and other low power applications.

This voltage regulator has a wide input voltage range from 2.5 V to 18 V and the output voltage is adjustable from 1.5 V to 10 V. It has low dropout voltage compared to other similar solutions and a low quiescent current drain of just 1.6uA. The output current is adjustable from 0.3 A up to 1 A.

The SC79L05ABDR2G has a current limiter, an overload protection and a thermal shutdown in case of an over-temperature situation, that makes it an excellent choice for protecting the connected circuit or load in case of overload or over-current. It also features a very low output noise and can be used in radio frequencies applications.

The working principle of the SC79L05ABDR2G is based on the three terminal conventional pass regulator configuration consisting of a series N-channel MOSFET, a current source and an error amplifier. The voltage reference is connected to the controller\'s input, while the control output is connected to the gate of the pass switch. The error amplifier compares the reference voltage to the voltage across the load, and adjusts the gate voltage accordingly, regulating the output voltage. The current source compensates for changes in the load current, guaranteeing that the output current will be steady regardless of the load. The output voltage is then regulated to be within the specified tolerance.

The SC79L05ABDR2G can be used in a wide range of applications, such as Li-ion battery powered mobile devices, automotive, audio, low power electronic circuits and portable systems. It is also suitable for applications where high power dissipation is required. Compared to other solutions, this device features the smallest form factor, making it the ideal solution for space constrained applications.

In conclusion, the SC79L05ABDR2G is a low cost, low power linear voltage regulator with integrated protection features, suitable for a wide range of applications. With its low dropout voltage and low quiescent current drain, it is an ideal solution for portable and high power applications. It is also extremely small, making it the ideal choice for space constrained applications.

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