ADP3330ART-3.3-RL7

Series:	anyCAP®
Packaging:	Cut Tape (CT)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	12V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.23V @ 200mA
Current - Output:	200mA
Current - Quiescent (Iq):	50µA
Current - Supply (Max):	4mA
PSRR:	--
Control Features:	Enable
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6
Base Part Number:	ADP3330

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ADP3330ART-3.3-RL7 is a three-terminal, adjustable, linear voltage regulator IC from Analog Devices’s PMIC (Power Management IC) family that can regulate a specific voltage within a certain range. The ADP3330ART-3.3-RL7 specifically provides a regulated output voltage of 3.3V, with an adjustable output voltage ranging from 0.95V to 4.3V.The ADP3330ART-3.3-RL7 offers many features, including a low dropout voltage of 50 mV, a wide input voltage range of 3.0 V to 44 V, a low quiescent current of 20 uA, an operating temperature range of -25°C to +85°C, and a high power supply rejection ratio of up to 65 dB. It also features output voltage accuracy of 3 percent and reverse battery protection.The ADP3330ART-3.3-RL7 Linear Voltage Regulator is designed for various applications, such as portable electronic devices, industrial systems, and automotive solutions. The wide input voltage range and high power supply rejection ratio make this IC ideal for applications that require a stable, regulated output voltage for longer battery life and higher efficiency. For example, it can be used in medical and portable devices that require a constant voltage but demand a low-dropout voltage. It is also useful for automotive applications like engine control units that need to handle both a wide input range and maintain a stable output voltage over a large temperature range.The working principle of the ADP3330ART-3.3-RL7 is based on a common technique in which a variable "error" voltage is compared to a reference voltage. Every time the output voltage deviates from the nominal voltage, an error voltage is generated and compared to a reference voltage. If the output voltage is higher than the reference voltage, then the error voltage causes the current regulator to reduce the output current. On the other hand, if the output voltage is lower than the reference voltage, then the error voltage causes the current regulator to increase the output current. In this way, the current regulator constantly works to maintain the output voltage at the desired level.The output of the ADP3330ART-3.3-RL7 is switchably regulated with a current source that is adjusted by the error voltage. The output of the error amplifier is directly connected to the base of a pass transistor, and the output is simple and dependable. The current source is canceled by the pass transistor, working to decrease the error voltage to 0. This can be seen as the output voltage being held constant through the closed-loop feedback loop formed by the error amplifier, the current source and the pass transistor. The ADP3330ART-3.3-RL7 has protection features that enhance the safety of the system. Reverse battery protection prevents the unit from powering down if an incorrect power supply is used. Short circuit protection helps protect the device from overheating, and thermal shutdown prevents the unit from overheating. This makes it particularly useful for applications that require superior protection against the hazards of reverse polarity, short circuit, over voltage, under voltage and thermal overloads.The ADP3330ART-3.3-RL7 offers excellent performance, precise accuracy and superior protection, making it the ideal solution for a wide range of applications that require a precise, regulated voltage. Its high power supply rejection ratio and adjustable output makes it a reliable and versatile PMIC, and its low quiescent current and wide input voltage range make it an ideal choice for applications where power efficiency is critical.

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