MC7815BD2T

Current - Output:	1A
Base Part Number:	MC7815
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 Temperature, Short Circuit
Control Features:	--
PSRR:	80dB (120Hz)
Current - Quiescent (Iq):	8mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	15V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

MC7815BD2T is a linear integrated voltage regulator from ON Semiconductor. It designed to provide fixed and adjustable output voltage from a medium voltage input. This device is based on bipolar technology and offers current limiting, thermal shutdown, and reverse current protection. It operates over an ambient temperature range of -40°C to +125°C and is available in PDIP, TO-220, and TO-263 packages.

Application fields

MC7815BD2T has a wide range of applications in industrial applications, automotive, home appliances, and consumer electronics including:

• Battery-Operated Equipment: MC7815BD2T is used to provide stable supply voltage to power a variety of battery-operated devices such as laptop computers, cellular phones and medical devices.
• Telecom Equipment: MC7815BD2T is frequently deployed in telecom infrastructure equipment where stringent safety and reliability requirements need to be met.
• Industrial Automation and Home Appliances: This device is used to provide a reliable power supply in industrial, household and other end-consumer applications.
• Automotive Electronics: The device is used to step down a higher input voltage from a battery or other DC source to the required supply voltage for operating the devices within a vehicle.
• Consumer Electronics: MC7815BD2T is deployed in various consumer electronics, providing a wide range of power supplies to various devices.

Working Principle

MC7815BD2T uses a linear voltage regulation technology. It operates at low noise and with no switching loss, resulting in a low power dissipation. The output of the device is internally protected with current limiting and thermal shutoff circuit that activates when the temperature of the device exceeds +150°C. It also provides reverse current protection by clamping the input voltage below the output voltage.The device has two independent adjustable linear output regulators. The first regulator is set by a voltage divider connected to the REF pin. The output of the first regulator is used to set the second regulator. The output voltage of the second regulator is adjustable through a control resistor connected to the ADJ pin. The output voltage can be programmed by varying the value of the control resistor.The device is capable of driving 3A of output current with a junction temperature of +125°C. It is available in three different packages: PDIP, TO-220 and TO-263.

Conclusion

MC7815BD2T is an excellent choice for applications that require robust, accurate and reliable power regulations. It is available in three different packages and a wide operating temperature range, making it suitable for a variety of applications. The linear regulation technology results in low noise, no switching loss, and low power dissipation.It also provides current limit protection and adjustable output voltages, providing a flexible and dependable power solution. MC7815BD2T is widely used within the automotive, aerospace, home appliances, and industrial automation industries.

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