KA78RH33RTM

Current - Output:	800mA
Base Part Number:	KA78RH33
Supplier Device Package:	TO-252-3
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	55dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1.4V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	15V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction: KA78RH33RTM

KA78RH33RTM is a linear voltage regulator (LVR) available as a TO-92 package. KA78RH33RTM is a 1A monolithic integrated circuit with guaranteed thermal stability over extended operating temperatures, and with low output noise levels. It was designed to solve the demanding requirements of low noise and high power in the TO-92 form factor. KA78RH33RTM is a perfect fit for high-sensitivity applications such as those found in audio, lighting, and instrumentation.

The Application Field of KA78RH33RTM

KA78RH33RTM is most commonly used in applications that require a reliable low-noise, adjustable/variable power supply. This device provides stable and accurate output voltage over a wide input voltage range. This makes it an ideal choice for sensitive instrumentation, audio-visual equipment and general purpose voltage regulation applications. KA78RH33RTM offers a wide range of output current from 1A to 5A, which makes it well suited for a wide range of general purpose power supply applications. It is especially suitable for high-speed and vibration-resistant applications that require highly reliable voltages in environments where environmental conditions can be severe.

The Working Principle of KA78RH33RTM

KA78RH33RTM is a linear voltage regulator with a unique, proprietary architecture. The device operates by comparing the internal reference voltage (Vref) with an externally applied voltage. The internal control circuitry then translates the difference between these two voltages into a regulation current. This regulation current is then fed to the output, where it adjusts the output voltage to the desired level. The device can be controlled via the control terminals, to output a regulated voltage that is over or below the reference voltage (Vref). A higher output voltage can be achieved by raising the control voltage, while a lower output voltage can be achieved by lowering the control voltage. The output voltage can be adjusted from 3V to 36V with resistors connected to the control terminals. In addition to its basic features, KA78RH33RTM also offers excellent protection against short circuits, over-current, over-temperature and voltage stabilization. The device is equipped with an over-voltage protection circuit which monitors the output voltage and shuts down when it goes above an adjustable threshold.

Conclusion

KA78RH33RTM is a reliable and efficient linear voltage regulator for a wide range of applications. It offers excellent protection features, adjustable output voltage, and low-noise operation. The device is well-suited for a variety of general purpose voltage regulation applications, as well as those requiring precise voltage regulation in demanding environments. KA78RH33RTM is a reliable and cost-effective solution for many demanding applications.

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