KA78L15AZBU

Current - Output:	100mA
Base Part Number:	KA78L15
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	60dB (120Hz)
Current - Quiescent (Iq):	6mA
Series:	--
Voltage Dropout (Max):	--
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Part Status:	Obsolete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:	Bulk

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Overview

The KA78L15AZBU is a linear voltage regulator, which is commonly used in a variety of applications. It is a simple two-pin device that helps to maintain a stable voltage supply. This makes it ideal for products operating at very low currents, where it is important to maintain a consistent supply of electricity.

Features

The KA78L15AZBU features a wide input voltage range (2 to 36V DC) and a regulated output of 5V DC at up to 1.5A. It has excellent thermal stability, a very low dropout voltage and minimal voltage ripple. The device is designed for use in electronic systems that require a stable output voltage with minimal fluctuations.

Application Fields

The KA78L15AZBU is ideal for applications that require a consistent output voltage, such as digital cameras, audio amplifiers and digital signal processors. This device is also suitable for microcontrollers and memory chips, which require a steady and reliable supply of electricity. Additionally, this device can be used in embedded systems, such as in motor control, automotive and industrial automation.

Working Principle

The KA78L15AZBU is a linear regulator, meaning it converts an input voltage to a lower, fixed output voltage while dissipating the excess power. Simply put, it reduces the input voltage to a stable output voltage, while also eliminating any transients and noise.The regulator works by using two elements: a voltage reference and a pass element. The voltage reference sets the output voltage, while the pass element (which is usually a MOSFET) allows for current to flow if the input voltage is high enough. When the input voltage drops, the regulator will try to maintain the output voltage by pulling more current from the pass element. This reduces the input voltage and increases the current draw from the power source, which minimizes the voltage drop.

Conclusion

The KA78L15AZBU is a popular linear voltage regulator, with a wide input range and excellent thermal stability. This device is ideal for applications that require minimal ripple and a steady output voltage, such as digital cameras, audio amplifiers, microcontrollers and embedded systems. It works by using a voltage reference and a pass element to regulate the input voltage, resulting in an efficient and reliable power supply.

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