MC34063ABD

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MC34063ABD

IC REG BUCK BST ADJ 1.5A 8SO

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Spécifications

Package Tube
ProductStatus Obsolete
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 ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The MC34063ABD is a versatile DC-DC converter IC designed for step-up, step-down, and inverting applications. Manufactured by various semiconductor companies, it integrates key components needed for switching power supply designs, simplifying the design process for engineers. The IC operates over a wide input voltage range of 3V to 40V, making it suitable for a variety of applications.
Key features of the MC34063ABD include an internal temperature-compensated reference, a comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch. These features support efficient conversion processes with output currents up to 1.5A. It also incorporates protective features such as current limiting and thermal shutdown to prevent damage under fault conditions.
The MC34063ABD offers flexibility in design, allowing users to configure it for different topologies such as buck, boost, or inverting circuits. Engineers can adjust switching frequency and output voltage by selecting appropriate external components like inductors, capacitors, and resistors.
Overall, the MC34063ABD is favored for its simplicity, cost-effectiveness, and versatility in power management applications across consumer electronics, automotive, and industrial sectors.

Features

The MC34063ABD is a versatile DC-DC converter IC that features a range of functionalities suitable for various power supply applications. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 40V, making it suitable for a variety of input sources.

2. Output Switch Current: Capable of delivering up to 1.5A switch current for driving loads.
3. Adjustable Output Voltage: Allows flexibility in setting output voltage levels through external resistor configurations.
4. Low Standby Current: Ensures efficiency with minimal power consumption in standby mode.
5. Current Limiting: Features an internal current limiting mechanism to protect against overload conditions.
6. Thermal Shutdown: Includes thermal protection to prevent damage due to overheating.
7. Oscillator Frequency: Adjustable between 100 Hz to 100 kHz, providing flexibility in frequency selection.
8. Ease of Use: Requires a minimal number of external components, simplifying the design process.
9. Cost-Effective: Offers a balance of performance and cost, making it suitable for budget-conscious projects.
These features make the MC34063ABD ideal for applications such as step-up (boost), step-down (buck), and voltage-inverting converter designs.

Package

The MC34063ABD is typically available in an SOIC-8 package. This is a surface-mount package with 8 pins, commonly used for integrated circuits like voltage regulators and DC-DC converters.

Pinout

The MC34063ABD is a DC-DC converter IC designed for step-up, step-down, and inverting applications. It typically comes in an 8-pin package. Here is a brief description of its pin functions:
1. Switch Collector (SWC): This is the collector of the internal NPN transistor, connected to the output inductor.
2. Switch Emitter (SWE): The emitter of the internal NPN transistor, usually connected to ground.
3. Timing Capacitor (CT): A capacitor connected to this pin sets the oscillator frequency.
4. Ground (GND): Common ground reference for the IC.
5. Comparator Inverting Input (CII): The inverting input to the comparator, used for setting the output voltage.
6. VCC: Supply voltage for the IC.
7. Ipk Sense (IPK): Used to limit the peak switch current.
8. Driver Collector (DRC): The collector of the internal driver transistor, used with an external current limiting resistor.
This IC is versatile and can be configured for various voltage conversion applications.

Manufacturer

The MC34063ABD is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs and manufactures a broad range of semiconductor and electronic components. It operates in various markets, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation and development of technologies that are integral to both consumer and industrial applications. As a leading player in the semiconductor industry, STMicroelectronics focuses on delivering sustainable and efficient solutions.

Application

The MC34063ABD is a versatile DC-DC converter IC commonly used in power supply applications. Its main application areas include step-up (boost), step-down (buck), and inverting (buck-boost) converters. It is widely used in consumer electronics, automotive, and industrial applications for voltage regulation, battery charging, and powering microcontrollers. Its ability to handle a wide input voltage range and deliver up to 1.5A of output current makes it suitable for various low to medium power applications.

Equivalent

The MC34063ABD is a DC-DC converter IC. Equivalent products include the LM2575, LM2576, and NCP3063, which offer similar functionalities for step-up, step-down, and inverting voltage applications. These alternatives vary in specifications like output current capacity and efficiency, so it's important to verify compatibility with your specific application requirements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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