LD1084V50

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LD1084V50 is a three-terminal adjustable voltage regulator with a range of 0.8V to 5V. It is a linear voltage regulator, meaning that it uses a feedback loop to actively maintain the voltage at an adjustable predetermined level, no matter how much load the device is under. Although it is a linear voltage regulator, the LD1084V50 can provide high efficiency and low ripple at power levels up to 10W.

Applications of LD1084V50

LD1084V50 is a low-dropout (LDO) voltage regulator suitable for applications such as audio and video system, microprocessor and micro controller, D,C power supplies, other portable equipments, logic boards, and automotive systems. It is also used for data storage and low-speed communication systems. LD1084V50 excellent thermal and transient performance makes it suitable for automotive, industrial, and consumer applications.

Features of LD1084V50 Voltage Regulator

The LD1084V50 is a linear voltage regulator which offers excellent dynamic response with a wide adjustment range and superior temperature stability. Some of the key features of this linear voltage regulator are listed below:

• Wide input range: 4.75V to 28V
• Low quiescent current: 65μA max
• Fast transient response: 180μs typical
• Output current: 0.5A
• Output voltage range: 0.8V to 5V
• Low dropout voltage: 45mV max
• High PSRR: 80dB typical at 1 kHz
• Internal current limit and thermal shutdown protection.

Working Principle of LD1084V50 Voltage Regulator

LD1084V50 voltage regulator works on the principle of negative feedback. It uses an internal error amplifier to compare the output voltage with a reference voltage, and then adjust its output accordingly. The reference voltage is adjusted by setting the output voltage through the external resistor connected to the ADJ pin. The error amplifier drives the pass element that controls the output voltage. The output voltage is then sampled by the error amplifier, which controls the pass element to keep the output voltage constant.

The LD1084V50 also has a built-in current-limiting circuit and a thermal-shutdown circuit which protect the device against short-circuits and overloads. The current-limiting circuit limits the output current to a safe level to protect the device from damage. The thermal-shutdown circuit detects the output device temperature and shuts down the device when it exceeds the upper limit.

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