BD3005HFP-TR

Current - Output:	500mA
Base Part Number:	BD300*
Supplier Device Package:	HRP7
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Reset, Watchdog
PSRR:	55dB (120Hz)
Current - Supply (Max):	130µA
Current - Quiescent (Iq):	0.8mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	36V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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BD3005HFP-TR Application Field and Working Principle

BD3005HFP-TR is a popular voltage regulator that belongs to the PMIC (Power Management IC) family, a specific type of integrated circuits specifically designed to manage power on an electronic device. It belongs to the Linear Voltage Regulators sub-category and its main purpose is to maintain a constant output voltage, despite any changes in load current, input voltages, and external environmental conditions.

Description

BD3005HFP-TR is a 30V, 5A voltage regulator, based on the conventional linear regulator topology. Integrating a drain-inverted P-channel MOSFET, a voltage detection circuit (comparator) and integrated current limiting and thermal-shutdown functions, this regulator is capable of handling high-current, high-voltage systems. Moreover, its low dropout voltage (60mV typical) enables it to operate in high performance, high accuracy applications and its low quiescent current makes it suitable for portables and battery-powered applications.

Working Principle

Linear voltage regulators, such as BD3005HFP-TR, work by comparing the output voltage with the reference voltage and then manipulating the amount of current being allowed to flow from the input to the output. This is achieved by employing a voltage drop across a series pass element. In a linear voltage regulator, this element is typically a transistor. When the input voltage is applied, current begins to flow from the input, through the pass element and out to the output. The voltage at the input pin is compared with an internal reference voltage and if the input voltage is higher than the reference voltage, the regulator will not allow the current to flow and so the output voltage remains constant. On the other hand, if the input voltage is lower than the reference voltage, the linear voltage regulator will allow current to flow freely in order to bring the output voltage up to the desired level.

Applications

BD3005HFP-TR is widely used in communications, instrumentation and medical devices, with its most common applications ranging from mobile phones, portable media players and laptop computers to DC motor control systems, embedded systems and power conversion.Thanks to its wide input voltage range (6V to 30V) and its high efficiency, it is particularly suitable for power-hungry and noise-sensitive applications, such as VoIP communications and audio & video systems. It is also well suited to automotive applications, because of its high temperature range (operating from -40°C to 125°C) and compact construction.

Conclusion

BD3005HFP-TR is a popular voltage regulator that belongs to the PMIC (Power Management IC) family and which is specifically designed to maintain a constant output voltage despite changes in load current, input voltages and external environmental conditions. Its wide input voltage range, low dropout voltage, integrated current limiting, thermal-shutdown integrated functions and high temperature range make it suitable for a wide range of applications, ranging from embedded systems to automotive.

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