BDJ0GA5WEFJ-E2

Current - Output:	500mA
Base Part Number:	BDJ0G
Supplier Device Package:	8-HTSOP-J
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	900µA
Current - Quiescent (Iq):	0.6mA
Series:	--
Voltage Dropout (Max):	0.9V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	10V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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BDJ0GA5WEFJ-E2 Application Field and Working Principle

IntroductionBDJ0GA5WEFJ-E2 is a type of Linear Voltage Regulator and it is normally used in power management integrated circuit (PMIC). In many electronic circuits and systems, it is important to ensure that the voltage remains stable and within a specified range, especially when the current varies. A Linear Voltage Regulator offers a simple, yet effective way to do this.Application Field and FeaturesBDJ0GA5WEFJ-E2 is a voltage regulator in a SOT-25 package, with an output voltage range of 1.3V to 5.5V. It is most commonly used to provide a regulated output from an input voltage ranging from 2.5V to 7V.BDJ0GA5WEFJ-E2 features a built-in current-limiting circuitry and a thermal-shutdown system for over-temperature protection. It has a low dropout voltage and a high-precision output voltage.BDJ0GA5WEFJ-E2 is well suited for a wide variety of applications such as digital routers, power supplies, battery chargers, and measurement equipment. It is also particularly suitable for LCD screen power supply, level adjustment, and output applications.Working PrincipleAt the heart of the BDJ0GA5WEFJ-E2 is a voltage-regulating IC, which is more formally known as an adjustable three-terminal linear regulator. It acts as a low-impedance buffer between the input and output to maintain a stable voltage.The current is directly proportional to the voltage difference between the input and output, so the output voltage is regulated by adjusting the current flow. This is done by means of a circuit involving a power transistor, resistors, and capacitors.The transistor is utilized as a constant-current source, and a negative feedback loop controls the output voltage. The feedback loop is connected to the output and compares the output voltage with a reference voltage, which it then uses to control the current.In BDJ0GA5WEFJ-E2, the current-limiting circuitry and thermal-shutdown system provide both over-current and over-temperature protection.ConclusionBDJ0GA5WEFJ-E2 is a type of Linear Voltage Regulator, which can be used in a wide variety of applications such as digital routers, power supplies, battery chargers, and measurement equipment. It has a low dropout voltage and a high-precision output voltage, making it an ideal choice for settling a stable, accurate output voltage. Its working principle is based on a wide range of components, including a voltage-regulating IC, a power transistor, resistors, and capacitors. This makes it a reliable and consistent choice for any PMIC application.

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