MC78PC25NTRG

Voltage Dropout (Max):	0.35V @ 100mA
Base Part Number:	MC78PC
Supplier Device Package:	5-TSOP
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Output:	150mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	8V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The MC78PC25NTRG is a Linear voltage regulator specifically designed for application in a wide range of consumer electronics such as TVs, computers and portable devices. It is a simple, cost-effective and highly efficient solution for regulating and stabilising input voltages in various consumer electronic systems.

Application Field

The MC78PC25NTRG is designed for use in consumer applications with a wide range of operating voltages. It can be used to regulate input voltages from 5V to 60V and has a maximum output voltage of 25V. It is well-suited for use in consumer systems with multiple output rails such as automotive and industrial applications.It has been designed with a low dropout voltage of just 2V making it an ideal solution for low voltage applications. It also provides excellent thermal performance, with a maximum power dissipation of 650mW.

Working Principle

The MC78PC25NTRG is a Linear voltage regulator which relies on a simple principle of operation to regulate voltage. It consists of two components: an adjustable reference voltage network, which provides the voltage reference, and a power stage which delivers the output voltage.The reference voltage network monitors the input voltage and provides the regulator with a reference voltage. This reference voltage is then used as the reference point for the power stage. The power stage consists of a pass element (transistor) which is used to control the flow of current. When the input voltage is higher than the reference voltage, the pass element is switched on and allows current to pass from the input voltage to the output voltage. When the input voltage is lower than the reference voltage, the pass element is switched off and current is prevented from flowing from the input to the output.The regulator is also equipped with protection features such as soft start and over-current protection. The soft start prevents large current spikes at start-up and the over-current protection will shut down the regulator if its current limit is exceeded.

Conclusion

The MC78PC25NTRG is a Linear voltage regulator specifically designed for consumer applications. It utilises a simple operating principle to regulate voltage and provide excellent thermal performance. It is also equipped with protection features such as soft start and over-current protection to increase its reliability and safety.

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