仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Active |
| Function | Step-Up, Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 40V |
| Current - Output | 1.5A (Switch) |
| Frequency - Switching | 100Hz ~ 100kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole |
概要
Description
The KA34063A is a versatile DC-DC converter IC designed for use in step-up (boost), step-down (buck), and voltage-inverting applications. It integrates a variety of components required for switching regulator functions, making it a popular choice for power supply designs. The KA34063A operates over a wide input voltage range of 3V to 40V, making it suitable for automotive and other applications with varying supply voltages.
Key features include an internal switch with a peak current of 1.5A, adjustable output voltage, and a switching frequency up to 100 kHz. The IC also includes a temperature-compensated reference, a comparator, a controlled duty cycle oscillator with an active current limit circuit, and driver.
The KA34063A's flexibility and simplicity make it suitable for use in battery-powered devices, telecommunications equipment, and other applications requiring efficient voltage regulation. Its ability to perform multiple conversion tasks with minimal external components makes it cost-effective and space-saving. Proper design and component selection are necessary to maximize efficiency and performance in the intended application.
Key features include an internal switch with a peak current of 1.5A, adjustable output voltage, and a switching frequency up to 100 kHz. The IC also includes a temperature-compensated reference, a comparator, a controlled duty cycle oscillator with an active current limit circuit, and driver.
The KA34063A's flexibility and simplicity make it suitable for use in battery-powered devices, telecommunications equipment, and other applications requiring efficient voltage regulation. Its ability to perform multiple conversion tasks with minimal external components makes it cost-effective and space-saving. Proper design and component selection are necessary to maximize efficiency and performance in the intended application.
Equivalent
The KA34063A is a DC-DC converter IC. Equivalent products include:
1. MC34063A - by ON Semiconductor or Texas Instruments
2. LM2575 - by Texas Instruments
3. NCP3063 - by ON Semiconductor
4. LMC555 - by Texas Instruments
5. TL497A - by Texas Instruments
These alternatives share similar functionalities for switching regulator applications, but specifications may vary slightly, so it's crucial to check the datasheets for compatibility.
1. MC34063A - by ON Semiconductor or Texas Instruments
2. LM2575 - by Texas Instruments
3. NCP3063 - by ON Semiconductor
4. LMC555 - by Texas Instruments
5. TL497A - by Texas Instruments
These alternatives share similar functionalities for switching regulator applications, but specifications may vary slightly, so it's crucial to check the datasheets for compatibility.
Features
The KA34063A is a versatile DC-DC converter IC that integrates the necessary functions for a variety of power conversion applications, including step-up, step-down, and inverting converter designs. Key features include:
1. Wide Input Voltage Range: Typically supports inputs from 3V to 40V.
2. Output Switching Frequency: Adjustable up to 100 kHz, allowing for flexibility in design and efficiency optimization.
3. Current Limiting: Built-in current limiting for enhanced circuit protection.
4. On-chip Transistor: Includes an internal switching transistor with a 1.5A peak current capability, reducing the need for external components.
5. Efficiency: Capable of achieving high conversion efficiency due to its adjustable frequency and on-chip features.
6. Low Standby Current: Minimizes power consumption when not switching.
7. Thermal Shutdown: Provides over-temperature protection to prevent damage from overheating.
These features make the KA34063A suitable for use in battery-powered devices, automotive applications, and other systems requiring efficient power management.
1. Wide Input Voltage Range: Typically supports inputs from 3V to 40V.
2. Output Switching Frequency: Adjustable up to 100 kHz, allowing for flexibility in design and efficiency optimization.
3. Current Limiting: Built-in current limiting for enhanced circuit protection.
4. On-chip Transistor: Includes an internal switching transistor with a 1.5A peak current capability, reducing the need for external components.
5. Efficiency: Capable of achieving high conversion efficiency due to its adjustable frequency and on-chip features.
6. Low Standby Current: Minimizes power consumption when not switching.
7. Thermal Shutdown: Provides over-temperature protection to prevent damage from overheating.
These features make the KA34063A suitable for use in battery-powered devices, automotive applications, and other systems requiring efficient power management.
Pinout
The KA34063A is a DC-DC converter IC used for step-up, step-down, or inverting applications. It typically has an 8-pin configuration with the following pin functions:
1. Switch Collector (SWC): Connected to the collector of the internal switching transistor.
2. Switch Emitter (SWE): Connected to the emitter of the internal switching transistor.
3. Timing Capacitor (TC): Sets the oscillator frequency with an external capacitor.
4. GND: Ground connection.
5. Comparator Inverting Input (CII): Used for feedback voltage, connected to the output voltage divider.
6. Voltage Reference (VREF): Provides a 1.25V reference voltage.
7. VCC: Supply voltage input.
8. Driver Collector (DRC): Used for external current boost applications.
The KA34063A operates over a wide range of input voltages and is designed to be flexible for various power supply applications.
1. Switch Collector (SWC): Connected to the collector of the internal switching transistor.
2. Switch Emitter (SWE): Connected to the emitter of the internal switching transistor.
3. Timing Capacitor (TC): Sets the oscillator frequency with an external capacitor.
4. GND: Ground connection.
5. Comparator Inverting Input (CII): Used for feedback voltage, connected to the output voltage divider.
6. Voltage Reference (VREF): Provides a 1.25V reference voltage.
7. VCC: Supply voltage input.
8. Driver Collector (DRC): Used for external current boost applications.
The KA34063A operates over a wide range of input voltages and is designed to be flexible for various power supply applications.
Manufacturer
The KA34063A is a DC-DC converter integrated circuit commonly used for power management applications. It was originally manufactured by Fairchild Semiconductor, a company that specialized in the design and production of semiconductors. Fairchild Semiconductor was a pioneer in the semiconductor industry, known for its contributions to the development of integrated circuits and transistors. In 2016, Fairchild Semiconductor was acquired by ON Semiconductor (now called onsemi), a company that focuses on intelligent power and sensing technologies.
ON Semiconductor is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, standard, and custom devices. Its products are widely used in various sectors, including automotive, industrial, consumer electronics, and communications. The company aims to provide solutions that contribute to more sustainable and efficient energy usage worldwide.
ON Semiconductor is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, standard, and custom devices. Its products are widely used in various sectors, including automotive, industrial, consumer electronics, and communications. The company aims to provide solutions that contribute to more sustainable and efficient energy usage worldwide.
Application
The KA34063A is a versatile DC-DC converter IC used primarily in power supply applications. It can be configured as a step-up (boost), step-down (buck), or inverting converter. Common application areas include powering microcontrollers, sensors, and low-power electronics in consumer electronics, automotive, and industrial sectors. It is often used in battery-powered devices to efficiently manage and extend battery life. Additionally, the KA34063A is employed in voltage regulation tasks, where stable voltage output is required despite variations in input voltage or load conditions. Its flexibility and cost-effectiveness make it suitable for a wide range of power management solutions.
Package
The KA34063A is available in an 8-pin DIP (Dual In-line Package) and an 8-pin SOP (Small Outline Package). These packages are commonly used for integrated circuits, providing a compact form factor suitable for various electronic applications.
