KA278R12CYDTU

Current - Output:	2A
Base Part Number:	KA278R12
Supplier Device Package:	TO-220F-4L (Forming)
Package / Case:	TO-220-4 Full Pack (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	-20°C ~ 80°C
Protection Features:	Over Current, Over Temperature, Over Voltage, Short Circuit
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	0.5V @ 2A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	12V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Last Time Buy
Packaging:	Tube

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result.html KA278R12CYDTU is a positive linear voltage regulator belongs to PMIC - Voltage Regulators - Linear. KA278R12CYDTU series of voltage regulators provide a highly accurate and reliable output voltage at up to 1.5A with features like under voltage lockout, over-temperature protection, short circuit protection and thermal shutdown protection. It is designed to meet the challenging requirements of modern system applications like portable computers, smart phones, tablets and embedded applications.

Features

• Operating Input Voltage Range: 8V to 28V
• Output Voltage Range: 1.245V to 14V
• Output Accuracy: ±2%
• Output Current: 2.2A (maximum)
• Under-Voltage Lockout (UVLO): 7.5V
• Thermal Shutdown: 160℃
• ESD protection : 500V

Applications

• Portable Computers
• Smart phones
• Tablets
• Embedded Applications
• Smart Meters
• Industrial Automation
• Industrial Control & Automation

Working Principle

KA278R12CYDTU is a positive linear voltage regulator based on the basic regulation principle of the Zener diode. It has on-chip over-voltage protection, under voltage protection, over-temperature protection and short-circuit protection. The KA278R12CYDTU series uses a control circuit to ensure that the voltage is regulated and stable.The KA278R12CYDTU consists of two main components: an input voltage regulator and an output voltage regulator. The input regulator regulates the input voltage to the desired level, while the output regulator converts the input voltage to the desired output voltage using a series of resistors.The input voltage is first regulated by the on-chip over-voltage protection circuit, which limits the maximum voltage of the input voltage to the absolute maximum rating of the KA278R12CYDTU. The regulated input voltage is then fed to the output regulator, which consists of a series of resistors. The output voltage is regulated by the output regulator and is kept constant even when the input voltage changes.Finally, the output voltage is regulated again by the over-temperature protection circuit and the short-circuit protection circuit. The over-temperature protection circuit detects when the output voltage exceeds its absolute maximum rating, and it shuts down the KA278R12CYDTU before the output voltage can cause any damage to the device. The short-circuit protection circuit detects when the output voltage is too high, and it shuts down the KA278R12CYDTU before the output voltage can cause any damage to the device.Overall, the KA278R12CYDTU series of voltage regulators is an effective and reliable solution for voltage regulation applications. It provides a highly accurate and reliable output voltage at up to 1.5A with features like under voltage lockout, over-temperature protection, short circuit protection and thermal shutdown protection. It is also easy to use and requires minimal external components, making it a great choice for a wide range of applications.

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