Voltage Dropout (Max):	1.3V @ 1A (Typ)
Base Part Number:	MC79
Supplier Device Package:	D2PAK
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB (120Hz)
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-15V
Voltage - Input (Max):	-35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Obsolete
Packaging:	Tube

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Introduction

MC7915BD2T is an adjustable voltage regulator in a TO-3 package. It is part of a family of linear voltage regulators designed to provide a well regulated output voltage in a wide range of applications. It is a two-terminal device typically used in applications that require low output voltages.

Application Field

MC7915BD2T is primarily used as an adjustable voltage regulator in a wide range of applications. It is typically used in data acquisition applications, motor control, power supply, and other applications that require low output voltages. It can be used to provide adjustable voltages from 1.2V to 15V with an operating current of up to 1A. In addition to its application as an adjustable voltage regulator, MC7915BD2T can also be used as a variable load for testing the efficiency of power supplies, converters, and other equipment. It can provide adjustable current loads within the range of 0-1A.

Working Principle

MC7915BD2T is a two-terminal voltage regulator designed to provide a well-regulated output voltage in the range of 1.2V to 15V with an operating current of up to 1A. It is based on a series of diodes in a linear array connected in parallel with the output circuit.In order to maintain a constant output voltage, the regulator works by balancing the currents at the output terminals. The current flow between these two terminals is monitored in order to maintain a constant output voltage regardless of the variations in load. The output voltage is controlled by an adjustable potentiometer connected to the output current sense terminal. By adjusting the potentiometer, the output voltage can be varied from 1.2V to 15V.Another benefit of the MC7915BD2T is its ability to dissipate heat efficiently. By using a large heat sink designed specifically for this purpose, the regulator can dissipate heat more quickly, thus increasing its efficiency and extending its lifespan.

Conclusion

MC7915BD2T is an adjustable voltage regulator designed to provide a well regulated output voltage in a wide range of applications. It is a two-terminal device typically used in applications that require low output voltages and can be used to provide adjustable voltages from 1.2V to 15V with an operating current of up to 1A. It is also suitable for use as a variable load for testing the efficiency of power supplies, converters, and other equipment. The output voltage is controlled by an adjustable potentiometer connected to the output current sense terminal. By using a large heat sink designed specifically for this purpose, the regulator can dissipate heat more quickly, thus increasing its efficiency and extending its lifespan.

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