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MC34063EBN
+Lista de MateriaisIC REG BUCK BOOST ADJ 1.5A 8DIP
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FabricanteSTMicroeletrônica
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Peça do Fabricante #MC34063EBN
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Ficha Técnica MC34063EBN DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | 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 | Through Hole |
| Package/Case | 8-DIP (0.300", 7.62mm) |
| SupplierDevicePackage | 8-DIP |
| BaseProductNumber | MC34063 |
Visão Geral
Description
The MC34063EBN is a versatile DC-DC converter IC, primarily used for step-up (boost), step-down (buck), and inverting (buck-boost) power supply applications. It is part of the MC34063 series, which is known for its adaptability and ease of use in various power management tasks. The device operates in a wide input voltage range from 3V to 40V and can deliver up to 1.5A output current, making it suitable for battery-powered and other electronic circuits.
Key features include a temperature-compensated reference, a high-gain error amplifier, a current limiting circuit, and a controlled duty cycle oscillator. Its switching frequency can be adjusted with external components, providing flexibility for different applications. The MC34063EBN is packaged in a compact form, often a DIP (Dual In-line Package), which simplifies integration into circuit designs. It is widely used in consumer electronics, automotive systems, and other applications requiring efficient voltage regulation. The IC is favored for its affordability and reliability, making it a popular choice among engineers and hobbyists alike.
Key features include a temperature-compensated reference, a high-gain error amplifier, a current limiting circuit, and a controlled duty cycle oscillator. Its switching frequency can be adjusted with external components, providing flexibility for different applications. The MC34063EBN is packaged in a compact form, often a DIP (Dual In-line Package), which simplifies integration into circuit designs. It is widely used in consumer electronics, automotive systems, and other applications requiring efficient voltage regulation. The IC is favored for its affordability and reliability, making it a popular choice among engineers and hobbyists alike.
Equivalent
Equivalent products to the MC34063EBN chip, which is a DC-DC converter IC, include:
1. LM2575 from Texas Instruments
2. LM2576 from Texas Instruments
3. LM2596 from Texas Instruments
4. NCP3063 from ON Semiconductor
5. LMR14206 from Texas Instruments
6. L4971 from STMicroelectronics
7. L7805 from STMicroelectronics
These products vary in specifications like output current and voltage range, so ensure compatibility with your specific requirements.
1. LM2575 from Texas Instruments
2. LM2576 from Texas Instruments
3. LM2596 from Texas Instruments
4. NCP3063 from ON Semiconductor
5. LMR14206 from Texas Instruments
6. L4971 from STMicroelectronics
7. L7805 from STMicroelectronics
These products vary in specifications like output current and voltage range, so ensure compatibility with your specific requirements.
Features
The MC34063EBN is a versatile DC-DC converter IC designed for power supply applications. It features:
1. Wide Input Voltage Range: Operates from 3V to 40V, making it suitable for a variety of applications.
2. Output Switch Current: Capable of delivering up to 1.5A, supporting moderate power requirements.
3. Adjustable Output Voltage: Can be configured for step-up, step-down, or inverting applications.
4. Switching Frequency: Typically operates at 100 kHz, but this can be adjusted with external components.
5. Built-in Frequency Compensation: Simplifies circuit design by handling stability concerns internally.
6. Current Limiting: Features built-in current limiting to protect the circuit from overcurrent conditions.
7. Thermal Shutdown: Includes thermal protection to prevent overheating issues.
8. Low Standby Current: Minimizes power consumption when the device is not active.
9. Versatile Design: Supports a wide range of applications, from battery-operated devices to power management systems.
These features make the MC34063EBN a popular choice for cost-effective and efficient power management solutions.
1. Wide Input Voltage Range: Operates from 3V to 40V, making it suitable for a variety of applications.
2. Output Switch Current: Capable of delivering up to 1.5A, supporting moderate power requirements.
3. Adjustable Output Voltage: Can be configured for step-up, step-down, or inverting applications.
4. Switching Frequency: Typically operates at 100 kHz, but this can be adjusted with external components.
5. Built-in Frequency Compensation: Simplifies circuit design by handling stability concerns internally.
6. Current Limiting: Features built-in current limiting to protect the circuit from overcurrent conditions.
7. Thermal Shutdown: Includes thermal protection to prevent overheating issues.
8. Low Standby Current: Minimizes power consumption when the device is not active.
9. Versatile Design: Supports a wide range of applications, from battery-operated devices to power management systems.
These features make the MC34063EBN a popular choice for cost-effective and efficient power management solutions.
Pinout
The MC34063EBN is an integrated circuit used for DC-DC conversion, featuring a monolithic control chip designed for step-up, step-down, or inverting switching regulators. It typically comes in an 8-pin package. Here's a brief explanation of the pin functions:
1. Pin 1 (Switch Collector): Connected to the collector of the internal NPN switch.
2. Pin 2 (Switch Emitter): Connected to the emitter of the internal switch. Used for switch current sensing.
3. Pin 3 (Timing Capacitor): Connect a capacitor here to set the oscillator frequency.
4. Pin 4 (Ground): Ground reference for the circuit.
5. Pin 5 (Comparator Inverting Input): Used for voltage feedback. Connect to the output voltage divider.
6. Pin 6 (VCC): Input voltage supply for the IC.
7. Pin 7 (Ipk Sense): Connect a resistor from this pin to ground to set the peak current threshold.
8. Pin 8 (Driver Collector): Connect to the base of an external transistor for current amplification or additional switching.
This IC is versatile and widely used in various power supply applications due to its simplicity and efficiency.
1. Pin 1 (Switch Collector): Connected to the collector of the internal NPN switch.
2. Pin 2 (Switch Emitter): Connected to the emitter of the internal switch. Used for switch current sensing.
3. Pin 3 (Timing Capacitor): Connect a capacitor here to set the oscillator frequency.
4. Pin 4 (Ground): Ground reference for the circuit.
5. Pin 5 (Comparator Inverting Input): Used for voltage feedback. Connect to the output voltage divider.
6. Pin 6 (VCC): Input voltage supply for the IC.
7. Pin 7 (Ipk Sense): Connect a resistor from this pin to ground to set the peak current threshold.
8. Pin 8 (Driver Collector): Connect to the base of an external transistor for current amplification or additional switching.
This IC is versatile and widely used in various power supply applications due to its simplicity and efficiency.
Manufacturer
The MC34063EBN is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading semiconductor manufacturer that specializes in a wide range of products including power and signal management, logic, discrete, and custom devices. The company focuses on providing energy-efficient electronics that are used in numerous applications, including automotive, industrial, cloud power, and Internet of Things (IoT). onsemi is headquartered in Phoenix, Arizona, and has a global presence, serving various industries with its semiconductor solutions.
Application
The MC34063EBN is a versatile DC-DC converter IC used in various applications. Its main application areas include step-up (boost), step-down (buck), and inverting power conversion. It is commonly used in battery-powered devices, automotive electronics, and consumer electronics for voltage regulation. It is also employed in power supply designs for networking equipment and industrial controls. Its integrated features, such as current limiting, adjustable output voltage, and switching frequency, make it suitable for creating efficient power supplies for portable devices, LED drivers, and small power systems. Its robustness and ease of use make it a popular choice for engineers designing compact, cost-effective power solutions.
Package
The MC34063EBN is a DC-DC converter IC that typically comes in a DIP-8 (Dual In-line Package with 8 pins) configuration. This package type is suitable for through-hole mounting on printed circuit boards.
