BD15HA5MEFJ-ME2

Current - Output:	500mA
Supplier Device Package:	8-HTSOP-J
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	900µA
Current - Quiescent (Iq):	0.6mA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	1.2V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	8V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview

BD15HA5MEFJ-ME2 is a low dropout (LDO) linear voltage regulator that contains an ultra-low voltage dropout regulator and PNP transistor integrated circuit. A main feature of this regulator is its low dropout voltage which enables it to provide stable output voltage even during low input voltage conditions. This particular device has a maximum output current of 500mA and an operating temperature range from -40°C to 105°C, making it suitable for various kind of industrial applications.

Application Field

BD15HA5MEFJ-ME2 LDO regulators are used in various industrial applications, where low voltage and current dropouts are required. The low power consumption of the device makes it suitable for applications in systems where low-power consumption is desired. It is typically used in systems requiring regulated voltage, such as medical systems, power supply units, micro-controllers, charging systems and automotive infotainment systems.

Working Principle

The BD15HA5MEFJ-ME2 works by using a low-dropout voltage regulator and PNP transistor to control the voltage of an external circuit. The regulator operates as a linear voltage regulator, where it reduces any input voltage variation to output a stable voltage. The PNP transistor is used to reduce any voltage drop between the input and output. The low dropout voltage of the device ensures that it can provide stable output voltage even during low input voltage conditions.When the regulator is turned on, a voltage head of about 200mV is present between the input and output terminals. When the voltage applied to the input terminal is higher than the set voltage, the output current is limited. When the voltage applied is lower than the set voltage, the output current is increased to compensate for the lower input voltage. The output current can be adjusted from zero up to 500mA thanks to the current limit and current foldback features.

Conclusion

The BD15HA5MEFJ-ME2 is an ultra-low voltage dropout linear voltage regulator. It has a low power consumption and a high output current rating that makes it suitable for various industrial applications. It can be used in medical systems, power supply units, micro-controllers, charging systems and automotive infotainment systems. It ensures a stable output voltage even during low input voltage conditions and can work within a wide temperature range.

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