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KA78R05CTU

Name: KA78R05CTU
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 1A TO220F-4L

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規格

Part Status	Obsolete
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	35V
Voltage - Output (Min/Fixed)	5V
Voltage Dropout (Max)	0.5V @ 1A
Current - Output	1A
Current - Quiescent (Iq)	10 mA
Control Features	Enable
Protection Features	Over Current, Over Temperature, Over Voltage, Short Circuit
Operating Temperature	-20°C ~ 80°C
Mounting Type	Through Hole
Package / Case	TO-220-4 Full Pack
Supplier Device Package	TO-220F-4L
Base Product Number	KA78R05

概述

Description

The KA78R05CTU is a voltage regulator from the KA78R series, designed to provide a stable output voltage of 5V. It is a low dropout (LDO) linear regulator, making it suitable for applications where the input voltage is only slightly higher than the output voltage. This device can handle a maximum output current of up to 1A, making it ideal for powering low to moderate power devices.
Key features include thermal overload protection, short-circuit protection, and the ability to operate over a wide input voltage range, typically from 7V to 30V. The package is often in a TO-220 or similar form factor, allowing for easy heat dissipation.
The KA78R05CTU is commonly used in consumer electronics, microcontroller circuits, and other applications where a reliable 5V power supply is needed. It is valued for its simplicity, reliability, and efficiency in providing regulated power.

Features

The KA78R05CTU is a voltage regulator designed to provide a stable 5V output from a higher input voltage. Key features include:
1. Input Voltage Range: Typically accepts input voltages from 7V to 25V.
2. Output Current: Capable of delivering up to 1A of output current.
3. Thermal Overload Protection: Includes built-in thermal protection to prevent overheating.
4. Short Circuit Protection: Features internal short-circuit protection to safeguard against excessive current.
5. Low Dropout Voltage: Provides a low dropout voltage, enhancing efficiency especially when the input voltage is close to the output voltage.
6. Ease of Use: Simple to implement in circuits with minimal external components required.
7. TO-220 Package: Comes in a TO-220 package, allowing for easy heat sinking and management.
These features make the KA78R05CTU ideal for various applications, including power supply circuits, embedded systems, and consumer electronics.

Package

The KA78R05CTU is typically packaged in a TO-220 package type. This is a metal can package that provides efficient heat dissipation and is commonly used for voltage regulator applications.

Pinout

The KA78R05CTU is a voltage regulator with a pin count of 3. Its primary function is to provide a regulated output voltage of 5V from a higher input voltage. The pins are designated as follows:
1. Input (Vin): This pin receives the unregulated input voltage, which should be higher than the output voltage (typically between 7V to 35V).
2. Ground (GND): This pin is connected to the ground or negative side of the circuit.
3. Output (Vout): This pin delivers the regulated output voltage of 5V.
The KA78R05CTU is designed for applications that require a stable voltage supply, such as in power supplies for ICs or other electronic components. It features thermal overload protection and short-circuit protection, enhancing its reliability in various applications.

Manufacturer

The KA78R05CTU is manufactured by ON Semiconductor, a global semiconductor company. ON Semiconductor specializes in the design and manufacture of a wide range of electronic components, including analog, discrete, and power management devices. The company serves various markets, including automotive, industrial, communications, and consumer electronics. Founded in 1999, ON Semiconductor has grown through acquisitions and innovation, focusing on energy-efficient solutions and advanced semiconductor technologies. It is headquartered in Phoenix, Arizona, and is recognized for its commitment to sustainability and technology advancement in the semiconductor industry.

Application

The KA78R05CTU is a voltage regulator primarily used in electronic circuits to provide a stable 5V output from a higher voltage input. Its application areas include powering microcontrollers, sensors, and communication devices in automotive, industrial, and consumer electronics. Additionally, it's used in power supply systems, battery chargers, and low-power applications where regulated voltage is essential for performance and reliability.

Equivalent

The KA78R05CTU is a voltage regulator that provides a fixed output of 5V. Equivalent products include the LM7805, LM1117-5.0, MCP1700-5002E, L78S05, and AMS1117-5.0. Always check specifications and thermal performance to ensure compatibility in your application.