AZ1117CD-1.2TRG1 Integrated Circuits (ICs)

Voltage Dropout (Max):	1.4V @ 800mA
Supplier Device Package:	TO-252-2
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 125°C (TJ)
Protection Features:	Thermal Shutdown
Control Features:	--
PSRR:	70dB (120Hz)
Current - Quiescent (Iq):	6mA
Current - Output:	800mA
Series:	AZ1117C
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	15V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of AZ1117CD-1.2TRG1

The AZ1117CD-1.2TRG1 is a low-dropout (LDO) linear voltage regulator that uses a p-channel MOSFET to regulate the output voltage. It has been designed to provide a constant, pre-set output voltage of 1.2V and a maximum load current of 150mA, with low dropout voltage and low quiescent current. The device also features over-current protection, reverse current protection and thermal overload protection. It is ideal for portable applications such as smart phones, wearable devices, tablet PCs, handheld communication systems and laptops.

Application Field of AZ1117CD-1.2TRG1

Due to its low dropout voltage, low quiescent current, and high reliability, the AZ1117CD-1.2TRG1 is suitable for a wide range of applications. It can be used in portable applications requiring low input and output voltage and very low current. It can also be used in automotive systems, instruments, medical electronics and consumer electronics.

Working Principle of AZ1117CD-1.2TRG1

The AZ1117CD-1.2TRG1 uses a p-channel MOSFET to regulate the output voltage. It works by sensing the output voltage of the power supply and adjusting the MOSFET current to maintain the output voltage. The output voltage is regulated by a differential amplifier. This amplifier compares the measured output voltage with a reference voltage, and adjusts the MOSFET current accordingly.The device is designed to provide very low dropout voltage, ensuring that the input and output voltages do not differ by more than 1V. It also has a very low quiescent current, meaning it consumes very little power when in use.The device also features protection against over-current and reverse current, as well as thermal overload protection. The over-current protection will shut down the device if the output current exceeds the specified maximum. The reverse current protection will limit the current flowing in the wrong direction, which can damage the device. The thermal overload protection will shut down the device if the temperature exceeds a safe level.

Conclusion

The AZ1117CD-1.2TRG1 is a low-dropout linear voltage regulator, ideal for applications requiring low power consumption and high reliability. It has been designed to provide a constant, pre-set output voltage of 1.2V, with low dropout voltage and low quiescent current. The device also features protection against over-current, reverse current and thermal overload.

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