KA78L05AMTF

Current - Output:	100mA
Base Part Number:	KA78L05
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	80dB (120Hz)
Current - Quiescent (Iq):	5.5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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KA78L05AMTF Application Field and Working Principle

The KA78L05AMTF is a three-terminal voltage regulator, classified as a linear voltage regulator. It is a low dropout (LDO) resistor that offers reliability, stability and low noise levels. The KA78L05AMTF is also a low-noise voltage regulator, since it eliminates the need for external noise-reducing capacitors.The KA78L05AMTF has an input voltage range of 4.75 to 15V and an output voltage range of +5.0V ±1%. It contains three pins, including an input pin, an output pin, and an enable pin. It supports an output current of up to 100mA and has thermal overload protection, which helps protect the device from sudden temperature rises. Moreover, its short circuit protection feature helps protect the device against short circuit faults. In addition, it contains a reverse current flow which prevents any reverse current from flowing back into the system.The main application of the KA78L05AMTF is in voltage regulation circuits, where it offers a cost-effective solution to system voltage regulation. It is commonly used in computers, PDAs, modems, instrumentation systems, batteries, portable electronic devices, and automotive electronics. It is also used in equipment such as digital cameras, camcorders, mobile phones, video games consoles, and audio systems.The KA78L05AMTF works by using a reference voltage (Vref) to control the voltage output through an internal voltage divider. When the input voltage is below Vref, the output voltage rises, and when the input voltage is above Vref, the output voltage decreases. The output voltage is then monitored using an op-amp and feedback loop, which regulates the output voltage. The KA78L05AMTF also includes a thermal shutdown circuit that can be used to shut down the device in the event of an over-temperature situation.In conclusion, the KA78L05AMTF is a three-terminal voltage regulator, classified as a linear voltage regulator. It is a low dropout (LDO) resistor that offers reliability, stability and low noise levels. The main application of the KA78L05AMTF is in voltage regulation circuits, where it offers a cost-effective solution to system voltage regulation. The KA78L05AMTF works by using a reference voltage (Vref) to control the voltage output through an internal voltage divider and a feedback loop. Additionally, it contains a thermal shutdown circuit that can be used to shut down the device in the event of an over-temperature situation.

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