BD3572FP-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Output Configuration:	Positive
Output Type:	Adjustable
Number of Regulators:	1
Voltage - Input (Max):	36V
Voltage - Output (Min/Fixed):	2.8V
Voltage - Output (Max):	12V
Voltage Dropout (Max):	0.48V @ 200mA
Current - Output:	500mA
Current - Quiescent (Iq):	30µA
Current - Supply (Max):	50µA
PSRR:	55dB (120Hz)
Control Features:	Enable
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-5, DPak (4 Leads + Tab), TO-252AD
Supplier Device Package:	TO-252-5
Base Part Number:	BD3572

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IntroductionThe BD3572FP-E2 is a linear voltage regulator used for power management in a variety of applications. It is available in a TO-252-3 (DPAK) fully isolated package and has a wide input voltage range from 3V to 36V the typical output voltage of 5V with a maximum current of 1.2A.ApplicationsThe BD3572FP-E2 is used in a variety of applications because of its wide input voltage range, high accuracy and high stability performance, making it suitable for use in automotive, industrial and consumer electronics.In particular, this voltage regulator is suitable for point of load (POL) supplies such as 12/24V auxiliary sensors, lead acid battery chargers, DC-DC converters, CPUs and controllers, peripheral processors, fuel pumps, AdBlue systems, lighting, USB chargers and 4WD ATV motors. Its low dropout voltage characteristics make it a good choice for low voltage circuits, where a stable output voltage is required in order to maintain a clean signal free of noise and ripple.FeaturesThe BD3572FP-E2 comes in a TO-252-3 (DPAK) package and has a wide input voltage range from 3V to 36V. Its typical output voltage is 5V with a maximum current of 1.2A and a high efficiency of up to 92%.This regulator has a number of features and benefits, such as an adjustable output voltage of up to 12V ± 0.02%, and is protected against over-current and under-voltage. It also has a built-in Thermal Shut Down (TSD) feature and over-temperature protection.The BD3572FP-E2 is highly reliable and offers a high level of accuracy and stability performance, making it suitable for use in a range of industrial and consumer applications.Working PrincipleThe BD3572FP-E2 is essentially a linear voltage regulator that works by regulating the output voltage to a stable level, delivering a clean and ripple-free voltage output. It does this by using a negative feedback loop which compares the input and output voltages and adjusts the output voltage in order to maintain the stability of the output voltage.This regulator consists of a series of transistors and resistors that form an error amplifier and feedback loop, allowing the regulator to be stable when the input voltage varies and providing a higher accuracy output voltage. This regulator also includes a voltage reference, which is used to set the output voltage and regulate the current flow.ConclusionThe BD3572FP-E2 is a linear voltage regulator suitable for a variety of applications, ranging from automotive to consumer electronics. Its wide input voltage range, high efficiency and high accuracy performance make it a popular choice for powering precision circuitry and endurance circuits. The unique features of this linear regulator such as its adjustable output voltage, low dropout and over-temperature protection all contribute to its reliability, safety and performance.

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