ADP1712AUJZ-3.3-R7 Integrated Circuits (ICs)

Current - Output:	300mA
Base Part Number:	ADP1712
Supplier Device Package:	TSOT-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable, Soft Start
PSRR:	65dB (1kHz)
Current - Supply (Max):	420µA
Current - Quiescent (Iq):	70µA
Series:	--
Voltage Dropout (Max):	0.23V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ADP1712AUJZ-3.3-R7 is a voltage regulator designed and manufactured by Analog Devices, Inc. It belongs to the family of PMIC products, more specifically to the Voltage Regulators category, with Linear components.

Overview

This part specifically is a Linear LDO (Low Drop Out) sense-capable regulator. It features low quiescent current and low noise, and also offers load regulation, thermal protection and over-current protection. It\'s capable of operating over a wide current range, and of storing a full spectrum of regulator powers ranging from 300mA to 4A.It also enables excellent performance with wide input voltage ranges from 2.5V to 14V, and the output voltage ranges from 2.5V to 5V. It has excellent high frequency noise performance, with a very small noise of 5uV at 400kHz, and an excellent PSRR (Power-Supply Rejection Ratio) of –81dB at 200kHz.

Application Fields

The ADP1712 is well-suited to applications in which extremely low operating voltage and ripple are required. It is useful for powering precision integrated circuits, processors, ASICs, FPGAs, and any other sensitive application which require very low noise and very stable power supply. The low dropout voltage and quiescent current of the ADP1712 make it an ideal choice for portable products and embedded systems. It is also suitable for automotive, computer, and industrial applications.

Working Principle

The linear regulator is an electronic device that helps maintain a constant voltage across its output terminals, even when the input voltage increases or decreases. This regulator is applied in such a way that it acts as a buffer between the input and the output voltage, allowing only a fraction of the output voltage to pass through. The ADP1712 works on the basis of the difference between the input and output voltages. When the output voltage drops, the regulator automatically increases the amount of current it allows to pass through, thus adjusting the input voltage to compensate. As the output voltage increases, the regulator reduces the amount of current it allows to pass. This allows the output voltage to stay constant and level.

Conclusion

The ADP1712AUJZ-3.3-R7 part is an ideal choice for powering precision integrated circuits, processors, ASICs, as well as any other sensitive application which require very low noise and very stable power supply. Its low dropout voltage and ultra-low quiescent current make it a great choice for portable and embedded systems. The part is suitable for a variety of applications such as automotive, computer, and industrial applications. Its excellent high frequency noise performance, wide input voltage and output voltage ranges, and excellent PSRR make it ideal for use in precision products.

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