MC34063A

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MC34063A

+БОМ

1.5A STEP DOWN 2% 180KHZ 3V-36V

  • ПроизводительШэньчжэнь Slkormicro Semicon Co., Ltd.

  • Мфр. Часть #MC34063A

  • В наличии29231

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Part Status Active

Обзор

Description

The MC34063A is a versatile DC-DC converter IC widely used for step-up, step-down, and inverting applications. It operates with an input voltage range of 3V to 40V and provides efficient power conversion for a variety of electronic devices. The IC incorporates a temperature-compensated reference, a comparator, a controlled duty cycle oscillator with an active current limit circuit, and a high-current output switch, making it suitable for low to medium power applications.
Key features include a switching frequency of up to 100 kHz, adjustable output voltage, and current limiting. With a simple external configuration, the MC34063A can deliver output currents up to 1.5A, depending on the configuration and external components used. It is particularly valued for its low cost and flexibility, often employed in battery-powered devices, automotive applications, and small power supplies. Its ease of use makes it popular among hobbyists and engineers for prototyping and development in various electronic circuits.

Equivalent

Equivalent products to the MC34063A chip, which is a DC-DC converter IC, include:
1. LM2575
2. LM2596
3. LMC7660
4. NCP3063
5. MC33063A
These alternatives generally serve similar functions in converting voltage levels, though specifications such as input voltage range, output current, and efficiency may vary. Always verify the datasheet for compatibility with your specific application.

Features

The MC34063A is a versatile DC-DC converter IC designed for step-up, step-down, and inverting applications. Key features include:
1. Wide Input Voltage Range: Operates from 3.0V to 40V, making it suitable for various applications.
2. Output Switch Current: Capable of delivering up to 1.5A of output switch current.
3. Adjustable Output Voltage: Allows users to achieve desired output voltage through external components.
4. Internal Frequency Oscillator: Features a 100 kHz oscillator, which can be adjusted with external timing capacitors.
5. Current Limiting: Includes internal current limiting to protect the circuit from overload conditions.
6. Output Voltage Regulation: Offers good line and load regulation, enhancing performance stability.
7. Protection Features: Thermal shutdown and current limiting enhance reliability and safety.
These features make the MC34063A a cost-effective solution for power supply designs, particularly in battery-powered and automotive applications. Its flexibility and efficiency simplify the design process for engineers requiring DC-DC conversion.

Pinout

The MC34063A is a versatile DC-DC converter IC that can be used for step-up, step-down, and inverting applications. It is an 8-pin device with the following pin functions:
1. Switch Collector (SWC): Connects to the inductor and the diode for switching applications.
2. Switch Emitter (SWE): Connects to the ground, serving as the ground return for the switch.
3. Timing Capacitor (TCAP): Used to set the oscillator frequency by connecting a capacitor between this pin and ground.
4. Ground (GND): Ground reference for the IC.
5. Comparator Inverting Input (CMP-): Receives the feedback voltage from the output.
6. VCC: Power supply input for the IC.
7. Ipk Sense (IPK): Used to limit the peak current through the switch by sensing the voltage across an external resistor.
8. Driver Collector (DC): Provides drive to the external transistor's base.
This IC is widely used due to its simplicity, low cost, and the minimal number of external components required.

Manufacturer

The MC34063A is a DC-DC converter IC originally designed by Motorola. Over time, it has been manufactured by various semiconductor companies, including Texas Instruments, ON Semiconductor (now onsemi), STMicroelectronics, and others. These companies are leading players in the semiconductor industry, specializing in the design and manufacturing of electronic components and integrated circuits. They serve a broad range of markets, including consumer electronics, automotive, industrial, communications, and computing. These companies are known for their innovation, quality, and extensive product portfolios that cater to numerous applications involving power management, analog and mixed-signal processing, and more.

Application

The MC34063A is a versatile DC-DC converter IC used in various applications. It is commonly used for step-up (boost), step-down (buck), and inverting power supply configurations. Key application areas include battery-powered devices, automotive electronics, consumer electronics, and industrial equipment. It's suitable for developing efficient power supplies for microcontrollers, sensors, and communication equipment. The MC34063A is valued for its simplicity, low cost, and ability to handle moderate power levels, making it ideal for projects that require basic voltage regulation and conversion. Additionally, it is often used in training and educational projects due to its straightforward design and ease of use.

Package

The MC34063A is typically available in several package types, including the 8-pin Dual In-line Package (DIP), 8-pin Surface-Mount Small Outline Integrated Circuit (SOIC), and occasionally in other variations like the TSSOP. These packages accommodate various applications and space requirements for voltage regulator and DC-DC converter designs.

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