ADP3335ARM-3.3-RL7

Current - Output:	500mA
Base Part Number:	ADP3335
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	10mA
Current - Quiescent (Iq):	110µA
Series:	anyCAP®
Voltage Dropout (Max):	0.37V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	12V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Cut Tape (CT)

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ADP3335ARM-3.3-RL7 Application Field and Working Principle
Introduction:
ADP3335ARM-3.3-RL7 is a linear voltage regulator that is used in multiple electronic applications. It is an “Ultra Low Noise” linear regulator that operates at an output voltage ranging from 3.3V to 7V. This voltage regulator is within the PMIC (Power Management Integrated Circuit) class, more precisely within its Voltage Regulator service. The ADP3335ARM-3.3-RL7 is intended for applications that demand ultra low noise within a high current output. It provides a steady output voltage with a wide range of input voltages, typically ranging from 2.1V to 8V.

Characteristics:
The ADP3335ARM-3.3-RL7is based around a few main features, namely:

• Ultra low output voltage noise (20µVRMS)
• A low quiescent current (3.3 mA max)
• High output current of 2.5A
• Guaranteed Stability over temperature

Additionally, the voltage regulator provides a wide range of protections, such as output overvoltage, input undervoltage, and output current limit protections. It also consists of a logic controlled enable pin, which allows the user to turn the voltage regulator on and off, while also allowing it to operate in auto-mode, where the regulator enables itself when needed. The design is completely integrated, meaning an external protection circuitry is not necessary. The ADP3335ARM-3.3-RL7 operates over a wide temperature range of -40oC to 125 oC, which allows it to be used in harsher environmental conditions.
What are the advantages of ADP3335ARM-3.3-RL7?
ADP3335ARM-3.3-RL7 has several advantages over other linear voltage regulators. These include:

• Low output voltage noise
• High current output
• Input voltage range
• Wide temperature range
• Enable pin
• Wide range of protection

These features make it a preferred choice for applications demanding ultra low noise, with high current output and wide input voltage. It is also compatible with most low power and battery operated devices, as well as automotive applications.
Application Field:
The ADP3335ARM-3.3-RL7 can be employed in various electronic applications. It is commonly used in components running a wide range of power sources, such as medical and automotive electronics, as well as communication, computer and consumer electronics.

• Medical electronics: This voltage regulator can be used to provide a low noise and constant output voltage, while preserving battery life.
• Automotive electronics: It can be used to provide a reliable and stable power source for various components.
• Communication, computer and consumer electronics: This voltage regulator is suitable for use in low power and battery operated devices, such as watches, PDAs and cell phones.

Working Principle:
The working principle behind the ADP3335ARM-3.3-RL7 is the basic operation of Linear Voltage Regulation - controlling the output voltage by dropping the excess voltage in an external resistor. The ADP3335ARM-3.3-RL7 utilizes an Adjustable Output (AO) voltage control terminal to regulate the output voltage. When the input voltage is high, more current is bypassed and the output voltage is lowered. When the input voltage is low, less current is bypassed and the output voltage is increased. Additionally, the voltage regulator has a logic controlled enable pin, which allows the user to control the on/off state of the regulator and set it to auto-mode for self-enabling when needed. This controller is essential to the accuracy and stability of the voltage regulator.
Conclusion:
In conclusion, the ADP3335ARM-3.3-RL7 is a linear voltage regulator that provides an ultra low noise output with high current, suitable for applications that demand performance and reliability. This voltage regulator is employed in a multitude of electronic applications, ranging from medical electronics to consumer electronics. It is based on the basic operation of linear voltage regulation, employing an adjustable output voltage control terminal to monitor and regulate the output voltage. Additionally, it is equipped with a wide range of protections as well as a logic controlled enable pin. Thus, making it the preferred choice for many electronic applications.

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