AZ1117H-1.2TRE1

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AZ1117H-1.2TRE1 belong to the category of PMIC - Voltage Regulators - Linear. This device features an adjustable output up to 1.2 V, suitable for a wide range of applications and is often used in industrial, automotive and consumer RDMs.

The AZ1117H-1.2TRE1 is an adjustable, low dropout linear regulator with a wide input voltage range from 2.5V to 22V. It is available in the 8-lead TSOT23 package and can deliver up to 1A and 250mV dropout at light loads. The fairly low 120mA dropout keeps the device in regulation even with light load and input voltage variations. With a current double filter design, it offers excellent noise and line regulation.

The output voltage of the AZ1117H-1.2TRE1 can be adjusted over a range of 1.2V. The device has an integrated over-temperature protection circuit and can handle up to1Aof continuous output current. The device has very low quiescent current, thus optimizing power dissipation under light load conditions.

The AZ1117H-1.2TRE1 has an excellent Load-Regulation-Curve and is suitable for battery operated products like phones, laptops and power banks, as well as computers and automotive RDMs. It is also suited for powering mobile and portable applications, audio video fader circuitry, power amplifiers, infrared receivers, automotive electrical/electronic equipment, and telecom/industrial systems.

The working principle behind the AZ1117H-1.2TRE1 is fairly simple. In a voltage regulator circuit, a reference voltage—determined by an internal voltage divider—is used to regulate the output voltage. When the output voltage deviates from the set reference, the control transistor is turned on and off, sourcing or sinking current to the pass device’s gate. This results in an output voltage that remains relatively constant as the load, line, or temperature conditions change.

The AZ1117H-1.2TRE1 features Input-Under-Voltage Lockout protection, which prevents the output from being powered-on during a low-voltage supply. Over-Current protection simplifies the design since it operates actively without the need for external discharge resistors.

In summary, the AZ1117H-1.2TRE1 is a highly efficient, adjustable, low dropout linear regulator. It offers a wide input voltage range and can deliver up to 1A and 250mV dropout at light loads. It also has excellent noise and line regulation, along with very low quiescent current and Input-Under-Voltage Lockout and Over-Current protection. This makes the AZ1117H-1.2TRE1 an excellent choice for a variety of applications, including battery operated products, computers, automotive RDMs, mobile and portable applications, audio video fader circuitry, power amplifiers, and infrared receivers.

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