MC34063ECD

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MC34063ECD

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

Vue d'ensemble

Description

The MC34063ECD is a versatile DC-DC converter integrated circuit (IC) designed for step-up, step-down, or inverting applications. It operates in a wide input voltage range, typically from 3V to 40V, making it suitable for various electronic devices and systems. This IC incorporates a temperature-compensated reference, a comparator, a controlled duty cycle oscillator with an active current limit circuit, a driver, and a high-current output switch.
Capable of delivering up to 1.5A of output current, the MC34063ECD is often used in power supply design due to its efficiency and flexibility. It allows for a simple design with minimal external components, such as resistors, capacitors, and inductors. The device features adjustable output voltage, current limiting, and thermal shutdown for protection.
This IC is commonly used in consumer electronics, automotive applications, and other systems requiring efficient power management under varying input conditions. Its compact form factor and reliability make it a preferred choice for engineers working on projects needing a cost-effective, efficient power conversion solution.

Features

The MC34063ECD is a versatile DC-DC converter IC designed for step-up, step-down, or inverting voltage applications. Key features include:
1. Wide Input Voltage Range: It operates efficiently over a broad input voltage range, typically from 3V to 40V.
2. Output Switch Current: The output switch can handle up to 1.5A, making it suitable for a variety of power management applications.
3. Adjustable Output Voltage: Users can easily adjust the output voltage with external resistors, allowing for flexible design configurations.
4. Switching Frequency: The device supports switching frequencies up to 100 kHz, facilitating efficient power conversion and compact transformer design.
5. Current Limiting: Built-in current limiting enhances protection against potential overcurrent conditions.
6. Low Standby Current: This feature helps to reduce power consumption when the device is inactive, improving overall efficiency.
7. Integrated Oscillator: An internal oscillator simplifies the design process and reduces the need for additional external components.
Overall, the MC34063ECD is a cost-effective solution for power supply designs requiring flexibility, efficiency, and reliability.

Package

The MC34063ECD is typically available in a Small Outline Integrated Circuit (SOIC) package, which is a surface-mounted package type. It usually features eight pins and is designed for use in DC-DC converter applications.

Pinout

The MC34063ECD is a DC-DC converter IC, commonly used for step-up, step-down, and inverting applications. It typically comes in an 8-pin configuration. Here is a brief description of each pin and its function:
1. Pin 1 (Switch Collector): This is the collector of the internal NPN switch. It connects to the inductor for boosting or bucking applications.

2. Pin 2 (Switch Emitter): This is the emitter of the internal NPN switch and usually connected to the ground.
3. Pin 3 (Timing Capacitor): Used to set the oscillator frequency with an external capacitor.
4. Pin 4 (GND): Ground pin for the IC.
5. Pin 5 (Comparator Inverting Input): Input for the voltage feedback to control the output voltage.
6. Pin 6 (VCC): Power supply pin for the IC.
7. Pin 7 (Ipk Sense): This pin sets the peak current limit through an external resistor.
8. Pin 8 (Driver Collector): Connects to the base of the external transistor if used for higher power applications.
Each pin serves specific roles in regulating voltage and current within the circuit.

Manufacturer

The MC34063ECD is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world. TI's products are used in a wide range of electronic devices, including consumer electronics, automotive systems, communications equipment, and industrial applications. The company is known for its innovation and expertise in analog and embedded processing technologies.

Application

The MC34063ECD is a versatile DC-DC converter IC commonly used in various power supply applications. Its primary application areas include step-up (boost), step-down (buck), and inverting (negative output) voltage converters. It is frequently employed in battery-powered devices, automotive electronics, consumer electronics, and general-purpose power management systems due to its wide input voltage range and ease of use. Additionally, its ability to provide a stable output voltage makes it suitable for powering microcontrollers and other sensitive electronics.

Equivalent

The MC34063ECD is a DC-DC converter IC. Equivalent products are those with similar functionalities and specifications. Some equivalents include:
1. LM2575
2. LM2577
3. MC33063
4. LM34063
5. NCP3063
These alternatives provide similar voltage regulation capabilities and are used for buck, boost, and inverting converter applications. Always check the datasheets for exact specifications to ensure compatibility with your circuit design.

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.

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