ADP7104ACPZ-3.3-R7

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Linear voltage regulators are widely used in applications that require a steady output voltage despite fluctuations in the input voltage. Specifically, linear voltage regulators limit the unregulated input voltage to a fixed amount set by the manufacturer, thereby ensuring that a constant voltage is maintained in the power supply circuit. ADP7104ACPZ-3.3-R7 is a linear voltage regulator integrated circuit (IC) produced by Alpha & Omega. It offers a low dropout voltage, low operating current, and high operating temperature range, making it suitable for industrial, commercial, and automotive applications.

The ADP7104ACPZ-3.3-R7 is a low-dropout (LDO) linear voltage regulator with built-in protection features and wide operating temperature range. It is designed to provide a regulated output voltage of 3.3V from a wide input voltage ranging from 3V to 18V. This regulator IC can deliver up to 100 mA of output current and the maximum total dropout voltage is only 300 mV at full load conditions.

The ADP7104ACPZ-3.3-R7 includes various built-in protection features that help ensure stable operation. It includes an over-current protection that limits output current to 1.5A, an over-temperature protection that shuts down the output voltage when the junction temperature reaches 150 °C, and an under-voltage lockout (UVLO) function that prevents the regulator from operating when the input voltage drops below 2.5V. Additionally, the ADP7104ACPZ-3.3-R7 features thermal shut-down and reverse battery protection, which make it a robust and reliable device.

The operating temperature range of the ADP7104ACPZ-3.3-R7 is -40°C to +150°C, making it suitable for use in extreme environmental conditions. Additionally, the device is housed in a SOT-23 package, making it ideal for use in space-constrained applications. The ADP7104ACPZ-3.3-R7 also features a fast transient response that ensures the output voltage remains relatively constant during input voltage transients.

The working principle behind the ADP7104ACPZ-3.3-R7 is comparable to other linear voltage regulators. The ADP7104ACPZ-3.3-R7 uses a voltage reference and an error amplifier to regulate the output voltage. The error amplifier compares the output voltage to the reference voltage, and it adjusts the amount of current flowing through the pass transistor until the output voltage equals the reference voltage. The pass transistor then acts as a switch that either increases or decreases the current flowing through the output, depending on the difference between the reference voltage and the output voltage.

The ADP7104ACPZ-3.3-R7 is an ideal choice for applications that require a low dropout voltage, low operating current, and a wide operating temperature range. It can be used in commercial, industrial, and automotive applications, including automotive power supplies, general power management controls, portable electronic devices, and embedded microprocessor power supplies. With its robust protection features and fast transient response, the ADP7104ACPZ-3.3-R7 is a reliable and versatile solution.

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