BA78M18CP-E2

Current - Output:	500mA
Base Part Number:	BA78M
Supplier Device Package:	TO-220CP-3
Package / Case:	TO-220-3 Cropped Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	58dB (120Hz)
Current - Supply (Max):	6mA
Current - Quiescent (Iq):	4.5mA
Series:	--
Voltage Dropout (Max):	2V @ 500mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	18V
Voltage - Input (Max):	33V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

BA78M18CP-E2 is a linear voltage regulator developed by Unisonic Technologies. It provides a low drop-out voltage, wide input voltage range and low power consumption, making it ideal for use in various applications. This voltage regulator has several advantages over other linear regulators, such as low quiescent current, low power consumption, high current capability, a wide range of input voltage, output short circuit protection, and fast response to line transients. Additionally, the BA78M18CP-E2 also has a low power dissipation, making it an ideal choice for low power applications.

Application field

The BA78M18CP-E2 is a perfect choice for applications where low power consumption and efficiency are needed, including battery operated products, portable equipment, microprocessor-based systems, and low-noise systems.The BA78M18CP-E2 can be used in many different applications such as power filtering, load sharing, and load balancing. It is also suitable for regulating signals for supervisory circuits, optical systems, and audio signals.

Benefits of BA78M18CP-E2

The BA78M18CP-E2 is an ideal choice for a variety of applications. Its wide input voltage range makes it suitable for use in portable equipment, microprocessor-based systems, and low-noise systems. Additionally, its low quiescent current and low power dissipation make it perfect for low power applications. It also provides excellent output short circuit protection and fast response to line transients.

Working principle

The working principle of the BA78M18CP-E2 is simple. It utilizes a pass transistor that regulates the output voltage by varying its resistance. The pass transistor acts as a variable resistor, which varies according to the input voltage, so that the output voltage stays regulated.When the voltage drops, the transistor resistance increases, causing the output voltage to rise proportionally. As the voltage rises, the resistance of the pass transistor decreases and the output voltage drops accordingly. This ensures that the output voltage stays within the desired range no matter what the input voltage may be.

Conclusion

The BA78M18CP-E2 is an ideal linear voltage regulator for low power applications. It has many advantages over other linear regulators, such as low power consumption, wide input voltage range, low quiescent current, and fast response to line transients. Additionally, it is also suitable for use in a variety of different applications, such as power filtering, load sharing, and load balancing.

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