KA79L05AZTA Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-30V
Voltage - Output (Min/Fixed):	-5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	100mA
Current - Quiescent (Iq):	5.5mA
Current - Supply (Max):	6mA
PSRR:	60dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	KA79L05

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IntroductionThe KA79L05AZTA is a low dropout linear voltage regulator manufactured by Texas Instruments. It is part of the the Linear Voltage Regulator range within the Power Management IC product category. It is designed to stay within a specified operating voltage, and to regulate the output voltage by varying the output current. This voltage regulator features a low quiescent current, wide operating temperature range and high-accuracy output voltage. It is also characterized by low dropout, low noise and fast transient response. Application FieldsThe KA79L05AZTA Linear Voltage Regulator is suitable for a wide range of applications. It is an ideal solution for controlling voltage in battery-powered systems, automotive and industrial systems, and other similar mobile applications. It is especially suited for applications where space and power efficiency are of great importance, such as portable applications, automotive equipment and battery-powered systems. It is also suitable for intelligent illumination applications like LED lighting and alarms, where voltage accuracy is essential. FeaturesSome of the key features of the KA79L05AZTA Voltage Regulator are its wide output voltage range, low dropout voltage and low quiescent current. It is fitted with a shutdown shutdown feature which allows users to shut down the device when not in use and reduce power dissipation. The regulator is also designed to provide fast transient response, low output noise and low output voltage ripple.Working PrincipleThe KA79L05AZTA Linear Voltage Regulator is designed to regulate voltage by varying the output current. Its key components include a power transistor, an error amplifier and a reference voltage source. The power transistor is used to supply current to the load. The error amplifier monitors the output voltage and compares it to the reference voltage. When the output voltage is higher than the reference voltage, the error amplifier outputs a signal that tells the power transistor to reduce its conductance and current output. When the output voltage is lower than the reference voltage, the error amplifier signals the power transistor to increase its conductance and output current. The output voltage will thus be regulated to the reference voltage.ConclusionThe KA79L05AZTA Linear Voltage Regulator offers a wide variety of features that make it ideal for controlling voltage in battery-powered systems and other applications where space and power efficiency are important. It features low quiescent current, wide operating temperature range and high accuracy output voltage. It also provides low-dropout, low noise and fast transient response. The voltage regulator operates by varying the output current in order to regulate the output voltage. This makes it a great solution for applications requiring precise voltage regulation.

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