MC7808CDTRKG Integrated Circuits (ICs)

Current - Output:	1A
Base Part Number:	MC7808
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	62dB (120Hz)
Current - Quiescent (Iq):	8mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	8V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MC7808CDTRKG is a linear voltage regulator from Texas Instruments. It is a three-terminal device that provides a constant output voltage of 5V. It has the ability to regulate output voltages down to 0.5V and up to 6.5V with a maximum output voltage ripple of 0.1V. The device is mainly used for power supply applications, and typically when either a bidirectional current or low output voltage is required.

Features

The MC7808CDTRKG has a wide range of features. Here are some of the main features:

• Low voltage operation: With a minimum operating voltage down to 0.5V, the MC7808CDTRKG can be used in a variety of low voltage applications.
• High ripple rejection: The device has a high ripple rejection of 91dB.
• Low noise: The device has both low input and output noise.
• Low standby current:The device has a low standby current of only 20μA.
• SSO-8 packaging: The device is provided in an SSO-8 package, which makes it easy to integrate into PCBs.

Applications

The MC7808CDTRKG is mainly used in power supply applications, such as:

• System power supplies: The MC7808CDTRKG can be used in system power supply applications, where it can provide a smooth and regulated output voltage.
• Battery-powered devices: The MC7808CDTRKG can be used in battery-powered devices, such as mobile phones or tablets, for efficient power supply management.
• Portable medical equipment: The MC7808CDTRKG can be used in portable medical equipment, such as portable ultrasound scanners or monitors.
• Industrial control systems: The device can be used for providing power to industrial control systems, such as PLCs, for smooth and reliable operation.

Working Principle

The MC7808CDTRKG operates using a linear regulator circuit, which is a type of control system used to regulate the output voltage of a power supply. The main elements of a linear regulator are the input voltage, the error amplifier, and the voltage reference.The input voltage is supplied to the device, and the error amplifier compares this voltage with the voltage reference. If the two voltages are not equal, the error amplifier will adjust the output voltage of the device in order to make them equal. This process is repeated until the output voltage reaches the desired level.

Conclusion

The MC7808CDTRKG is a three-terminal linear voltage regulator from Texas Instruments. It is mainly used in power supply applications, such as system power supplies, battery-powered devices, portable medical equipment, and industrial control systems. The device operates using a linear regulator circuit, which is composed of an input voltage, an error amplifier, and a voltage reference. Overall, the MC7808CDTRKG is a versatile, low noise regulator that is suitable for a wide variety of applications.

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