MC34063EBD-TR

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MC34063EBD-TR

+Nomenclature

IC REG BUCK BST ADJ 1.5A 8SO

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up, Step-Down
OutputConfiguration Positive or Negative
Topology Buck, Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.25V
Voltage-Output(Max) 38V
Current-Output 1.5A (Switch)
Frequency-Switching 33kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The MC34063EBD-TR is a monolithic switching regulator sub-system designed for DC-DC conversion applications. It is capable of operating as a step-up, step-down, or inverting converter. Key features of the MC34063EBD-TR include a wide input voltage range, adjustable output voltage, and a built-in switching frequency of 100 kHz, which can be modified by external components. It integrates a temperature-compensated reference, a comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch.
This device is particularly valued for its versatility and cost-effectiveness, making it suitable for battery-powered applications. It supports output currents up to 1.5A with proper external components and is housed in a compact package, facilitating easy integration into various electronic designs. Its efficiency and simplicity make it a popular choice for power management in consumer electronics, automotive, and industrial applications. The "TR" suffix typically denotes a tape and reel packaging, which is ideal for automated assembly processes in manufacturing.

Equivalent

The MC34063EBD-TR is a DC-DC converter IC. Equivalent products with similar functionality include:
1. NCP3063 from ON Semiconductor
2. LM2575 from Texas Instruments
3. LM2576 from Texas Instruments
4. LMR14006 from Texas Instruments
5. MC33063A from ON Semiconductor
These alternatives can vary in specifications such as efficiency, input voltage range, and output current, so it's important to verify compatibility with your specific application requirements.

Features

The MC34063EBD-TR is a monolithic control circuit primarily used for DC-DC converter applications. Key features include:
1. Wide Input Voltage Range: It can operate over a broad range of input voltages, making it versatile for various applications.
2. Output Switch Current: Capable of delivering an output switch current of up to 1.5A, allowing for effective power management.
3. Adjustable Output Voltage: The ability to adjust output voltage enables flexibility in designing power supply systems.
4. Internal Current Limiting: Provides protection against overcurrent conditions, enhancing reliability.
5. Fixed-Frequency Oscillation: The integrated oscillator typically operates at a fixed frequency of around 100 kHz, aiding in stable operation.
6. Low Standby Current: Designed for efficiency with minimal power consumption during standby.
7. Temperature Range: Suitable for a wide range of operating temperatures, ensuring performance in diverse environments.
8. Compact Package: The device is available in a small, surface-mount package (SO-8), optimizing space on printed circuit boards.
These features make the MC34063EBD-TR ideal for use in step-up, step-down, and inverting converter configurations in various power supply applications.

Pinout

The MC34063EBD-TR is a DC-DC converter IC that is often used for step-up, step-down, and inverting applications. It typically comes in an 8-pin package. Here is a brief overview of the pin functions:
1. Switch Collector (SWC): Connects to the inductor and switching transistor.
2. Switch Emitter (SWE): Connects to the emitter of the internal transistor.
3. Timing Capacitor (CT): Used for frequency setting by connecting an external capacitor.
4. Ground (GND): Common ground pin.
5. Comparator Inverting Input (CII): Used to set the voltage reference for comparison.
6. Voltage Feedback (VFB): Connects to the output for voltage regulation feedback.
7. Ipk Sense (Ipk S): Current sense pin for limiting peak current.
8. VCC: Power supply input pin.
The IC's versatility allows it to function effectively in various power supply applications due to its ability to convert different voltage levels efficiently. Always refer to the datasheet for detailed specifications and application guidelines.

Manufacturer

The MC34063EBD-TR is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland. It is one of the largest semiconductor companies in the world and focuses on designing and producing a wide range of products, including microcontrollers, sensors, power management devices, analog devices, and digital integrated circuits. The company serves various industries, such as automotive, industrial, personal electronics, communication equipment, and computer peripherals, providing solutions that enable smarter mobility, efficient power management, and vast interconnectivity.

Application

The MC34063EBD-TR is a DC-DC converter IC used in various power management applications. Its primary application areas include step-up (boost), step-down (buck), and inverting power conversion. It's typically employed in low to medium power applications due to its versatility and cost-effectiveness. Common uses include powering microcontrollers, sensors, and communication devices, as well as battery-operated equipment where efficient voltage regulation is needed. Its ability to operate over a wide range of input voltages makes it suitable for automotive, industrial, and consumer electronics where voltage conversion is required.

Package

The MC34063EBD-TR is typically provided in a SOIC-8 (Small Outline Integrated Circuit) package. This type of package is suitable for surface mounting on a PCB, allowing for compact circuit designs and efficient thermal performance.

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