MC34063ACD-TR

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MC34063ACD-TR

+BOM

IC REG BUCK BST ADJ 1.5A 8SO

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Specifications

Attribute Value
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 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The MC34063ACD-TR is a versatile, monolithic switching regulator designed for DC-DC conversion applications. It is capable of step-up, step-down, and inverting voltage applications, making it highly adaptable for various power supply needs. The device incorporates a temperature-compensated reference, a comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch, all in a compact package.
Key features of the MC34063ACD-TR include its wide input voltage range, usually from 3V to 40V, and its ability to deliver output currents up to 1.5A. It offers a switching frequency of up to 100 kHz, which can be adjusted using external timing components. The IC also includes built-in protection features such as current limiting and thermal shutdown to ensure reliability and safety.
Common applications for the MC34063ACD-TR include battery-powered devices, automotive electronics, and general-purpose DC-DC conversion tasks, making it an essential component for engineers and designers working with power supply circuits.

Equivalent

The MC34063ACD-TR is a DC-DC converter IC. Equivalent products include:
1. LM2575 - A step-down voltage regulator.
2. LM2596 - Another step-down regulator with a higher current rating.
3. NCP3063 - A versatile step-up, step-down, or inverting switching regulator.
4. XL6009 - A boost converter for higher output voltages.
5. L4971 - A step-down switching regulator.
These alternatives offer similar functionalities and can vary in terms of efficiency, output current, and features. Always check the datasheets for compatibility with your specific requirements.

Features

The MC34063ACD-TR is a monolithic DC-DC converter IC designed for step-up, step-down, and inverting applications. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 40V, suitable for various power supply requirements.
2. Adjustable Output Voltage: Allows tailoring to specific application needs.
3. Output Switch Current: Capable of delivering up to 1.5A, making it versatile for different load conditions.
4. Switching Frequency: Operates at a typical frequency of 100 kHz, aiding in efficient power conversion.
5. Internal Current Limiting: Provides protection against overload conditions.
6. Thermal Shutdown: Enhances reliability by preventing damage due to excessive heat.
7. Short-Circuit Protection: Increases durability by safeguarding against circuit faults.
8. Low Standby Current: Helps to minimize power consumption in standby mode.
These features make the MC34063ACD-TR a flexible solution for implementing efficient and reliable DC-DC conversion in a variety of electronic applications.

Pinout

The MC34063ACD-TR is a DC-DC converter IC commonly used for step-up, step-down, and inverting applications. It comes in an 8-pin package. Here's a brief overview of its pin functions:
1. Switch Collector (Pin 1): Connected to the inductor and supplies energy to the load.
2. Switch Emitter (Pin 2): Connects to the emitter of the internal switch transistor.
3. Timing Capacitor (Pin 3): Sets the oscillator frequency.
4. Ground (Pin 4): Common ground for the device.
5. Comparator Inverting Input (Pin 5): Receives the feedback voltage used to control the output voltage.
6. Voltage Reference (Pin 6): Provides a reference voltage for regulation.
7. VCC (Pin 7): Power supply input for the device.
8. Ipk Sense (Pin 8): Sets the peak current for the internal switch.
This IC is versatile and widely used in power management applications due to its simplicity and effectiveness in managing different voltage levels.

Manufacturer

The MC34063ACD-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. The company is known for its innovation in the fields of microelectronics and is involved in various sectors, including automotive, industrial, personal electronics, and communication equipment. STMicroelectronics is headquartered in Geneva, Switzerland, and operates worldwide, providing a broad portfolio of products from discrete and analog devices to microcontrollers and integrated circuits.

Application

The MC34063ACD-TR is a versatile DC-DC converter IC commonly used in power management applications. Its primary application areas include step-up (boost) converters, step-down (buck) converters, and voltage inverting applications. It is suitable for powering microprocessors, LED drivers, battery chargers, and other electronic devices requiring efficient voltage regulation. The IC is often used in consumer electronics, automotive systems, telecommunication equipment, and industrial control systems due to its ability to operate over a wide range of input voltages. Additionally, its integration of control circuitry makes it ideal for compact and cost-effective power supply designs.

Package

The MC34063ACD-TR is typically available in a SOIC-8 package, which is an 8-pin Small Outline Integrated Circuit package. This package type is commonly used for surface-mount devices.

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