AZ1117D-3.3TRE1

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The AZ1117D-3.3TRE1 is a low-dropout (LDO) linear voltage regulator. It is designed for use in low noise applications, like shunt and logic circuits, given its high PSRR (Power Supply Rejection Ratio). Due to its low quiescent current, the AZ1117D-3.3TRE1 is also suitable for battery-operated systems.

The AZ1117D-3.3TRE1 operates over a wide input voltage range and provides an output of 3.3 V. Its output current capability can be as high as 0.5A. The LDO features an Enable pin that can be used to disable the output voltage. Also, an overload protection mechanism is implemented to prevent the output current from exceeding 0.8A limiting the risk of damaging the device.

The AZ1117D-3.3TRE1 offers excellent long-term load and line regulation capabilities. Its stability under various loads can be improved by connecting a capacitor at its output pin. The AZ1117D-3.3TRE1 also features an external compensation pin, allowing advanced users to customize its behavior.

The AZ1117D-3.3TRE1 is able to maintain a proper output voltage regardless of the input voltage variations. Hence, it is ideal for applications requiring stable output voltage, like shunt and logic circuits, LED and light sensor drivers, reset circuits, multi-assistant sensors, etc. Additionally, the AZ1117D-3.3TRE1 can also be used in primary side circuit, like battery charging, DC-DC converter, etc.

As a linear voltage regulator, the AZ1117D-3.3TRE1 is based on the standard design. It has an error amplifier, a pass transistor, and a reference Voltage. The reference voltage is accurately controlled by the internal voltage reference circuit. The error amplifier senses any difference between the output voltage and a reference voltage, adjusts the pass transistor’s gate voltage, thus keeping the output voltage nearly equal to a reference voltage.

The AZ1117D-3.3TRE1 has many advantages over other LDOs. It has low quiescent current of only 10 μA. It can operate over a wider input voltage range, from 2V to 30V. It also provides good line regulation, has high PSRR, and is easy to use due to its enable pin and external compensation pin.

The AZ1117D-3.3TRE1 is a great choice for low noise systems, thanks to its superior PSRR and excellent line regulation. Its good stability under varying loads, low quiescent current, and wide input voltage range makes it suitable for battery-powered systems. The AZ1117D-3.3TRE1 can be used in various applications such as logic circuits, LED and light sensor drivers, reset circuits, multi-assistant sensors, battery charging circuits, etc.

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