Allicdata Part #: | KA78R12CTUFS-ND |
Manufacturer Part#: |
KA78R12CTU |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG LINEAR 12V 1A TO220F-4L |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | KA78R12CTU Datasheet/PDF |
Quantity: | 431 |
Specifications
Current - Output: | 1A |
Base Part Number: | KA78R12 |
Supplier Device Package: | TO-220F-4L |
Package / Case: | TO-220-4 Full Pack |
Mounting Type: | Through Hole |
Operating Temperature: | -20°C ~ 80°C |
Protection Features: | Over Current, Over Temperature, Over Voltage, Short Circuit |
Control Features: | Enable |
PSRR: | -- |
Current - Quiescent (Iq): | 10mA |
Series: | -- |
Voltage Dropout (Max): | 0.5V @ 1A |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 12V |
Voltage - Input (Max): | 35V |
Number of Regulators: | 1 |
Output Type: | Fixed |
Output Configuration: | Positive |
Part Status: | Obsolete |
Packaging: | Tube |
Description
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PMIC - Voltage Regulators - Linear
KA78R12CTU is a three-terminal, positive-voltage linear regulator with short-circuit protection and available with adjustable outputs. This device is designed to provide a regulated output voltage of 12 V from an input voltage of up to 30 V.The device dimensions are low, making it suitable for applications where a compact solution is required. It has an output current of up to 500 mA, making it suitable for powering digital devices, microcontrollers and other types of loads.The application fields of KA78R12CTU are in many functional circuits, such as the DC-DC converters, the UPS systems, the battery chargers, or the portable and other systems where small footprint and high efficiency are of primary importance. Additionally, the device can be used as a power supply in many fields, including the mobile electronics, portable chargers, medical equipment and automotive electronics.The working principle of KA78R12CTU is quite simple. It is based on the Zener diode principle and the device features an integrated power transistor which is used to regulate the output voltage of the regulator. The main components of this regulator are the voltage reference, an internal power transistor, a current limiting resistor and an integrated thermal protection circuitry.The voltage reference is the reference voltage at which the output of the regulator is regulated. It is responsible for the precision of the output voltage. The internal power transistor acts as the switch that connects or disconnects the output voltage based on the reference voltage. The current limiting resistor is used to limit the peak and steady state current. Lastly, the thermal protection circuitry ensures that the regulator does not overheat.In standard operation, the voltage reference will be compared to the output voltage and the power transistor will be adjusted accordingly to maintain the regulation between the reference voltage and the output voltage. In the event of a short-circuit, the current limiting resistor will limit the current flow to the maximum safe level to protect the device from damage.KA78R12CTU linear regulator is a highly reliable and efficient regulator and it is widely used in various devices and systems. Due to its features such as its small size, high efficiency and short-circuit protections, it is a cost-effective and reliable device for many applications.The specific data is subject to PDF, and the above content is for reference
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