사양
| 속성 | 가치 |
| 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) | 40V (Switch) |
| Current-Output | 1.5A (Switch) |
| Frequency-Switching | 100kHz |
| SynchronousRectifier | No |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The MC34063ADR is a versatile DC-DC converter IC designed for low-voltage applications. It is capable of performing step-up, step-down, and inverting functions, making it suitable for a wide range of power management tasks. The device includes an internal temperature-compensated reference, a comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch. This integration simplifies the design process by minimizing the need for external components.
Operating over a wide input voltage range of 3V to 40V, the MC34063ADR can deliver up to 1.5A of output current, depending on the configuration. It can achieve high conversion efficiency due to its adjustable output voltage and frequency capabilities. The IC is packaged in a compact SOIC-8 or DIP-8, making it easy to integrate into small or space-constrained designs. Additionally, it features built-in protection mechanisms, such as current limiting and thermal shutdown, to enhance reliability. Its cost-effectiveness and flexibility make it popular in consumer electronics, automotive, and industrial applications.
Operating over a wide input voltage range of 3V to 40V, the MC34063ADR can deliver up to 1.5A of output current, depending on the configuration. It can achieve high conversion efficiency due to its adjustable output voltage and frequency capabilities. The IC is packaged in a compact SOIC-8 or DIP-8, making it easy to integrate into small or space-constrained designs. Additionally, it features built-in protection mechanisms, such as current limiting and thermal shutdown, to enhance reliability. Its cost-effectiveness and flexibility make it popular in consumer electronics, automotive, and industrial applications.
Equivalent
Equivalent products to the MC34063ADR chip include:
1. NTE966 (NTE Electronics)
2. MC34063A (ON Semiconductor, STMicroelectronics, Texas Instruments)
3. LM2575 (Texas Instruments) - for certain applications
4. LMR62014 (Texas Instruments) - for similar functionalities
5. NCV34063A (ON Semiconductor) - automotive version
These alternatives may vary in specifications like input voltage range and output current, so it's important to check the datasheets to ensure compatibility with your specific application requirements.
1. NTE966 (NTE Electronics)
2. MC34063A (ON Semiconductor, STMicroelectronics, Texas Instruments)
3. LM2575 (Texas Instruments) - for certain applications
4. LMR62014 (Texas Instruments) - for similar functionalities
5. NCV34063A (ON Semiconductor) - automotive version
These alternatives may vary in specifications like input voltage range and output current, so it's important to check the datasheets to ensure compatibility with your specific application requirements.
Features
The MC34063ADR is a versatile DC-DC converter IC that provides efficient power conversion in various applications. Its key features include:
1. Input Voltage Range: Operates over a wide input voltage range, typically 3V to 40V, accommodating a variety of power sources.
2. Output Voltage: Capable of step-up, step-down, or inverting configurations, allowing flexible output voltage options.
3. Switching Frequency: Operates at a switching frequency of up to 100 kHz, which helps in reducing the size of external components.
4. Output Switch Current: Provides up to 1.5A of output switch current, suitable for moderate power applications.
5. Efficiency: Offers high efficiency, making it ideal for battery-powered applications.
6. Internal Oscillator: Features a built-in oscillator for frequency control.
7. Current Limiting: Includes internal current limiting circuitry for protection against overload conditions.
8. Adjustable Output: Allows for easy adjustment of output voltage using external resistors.
9. Temperature Range: Designed to operate in a wide temperature range, suitable for various environmental conditions.
Overall, the MC34063ADR is a cost-effective solution for implementing efficient, flexible power conversion in a wide range of applications.
1. Input Voltage Range: Operates over a wide input voltage range, typically 3V to 40V, accommodating a variety of power sources.
2. Output Voltage: Capable of step-up, step-down, or inverting configurations, allowing flexible output voltage options.
3. Switching Frequency: Operates at a switching frequency of up to 100 kHz, which helps in reducing the size of external components.
4. Output Switch Current: Provides up to 1.5A of output switch current, suitable for moderate power applications.
5. Efficiency: Offers high efficiency, making it ideal for battery-powered applications.
6. Internal Oscillator: Features a built-in oscillator for frequency control.
7. Current Limiting: Includes internal current limiting circuitry for protection against overload conditions.
8. Adjustable Output: Allows for easy adjustment of output voltage using external resistors.
9. Temperature Range: Designed to operate in a wide temperature range, suitable for various environmental conditions.
Overall, the MC34063ADR is a cost-effective solution for implementing efficient, flexible power conversion in a wide range of applications.
Pinout
The MC34063ADR is a DC-DC converter IC commonly used for step-up, step-down, and inverting voltage applications. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief description of its pin functions:
1. Pin 1 - Switch Collector (SWC): Connects to the inductor and freewheeling diode.
2. Pin 2 - Switch Emitter (SWE): Connected to the switching transistor's emitter; typically grounded.
3. Pin 3 - Timing Capacitor (TC): Determines the oscillator frequency.
4. Pin 4 - Ground (GND): Reference point for the circuit, connected to the system ground.
5. Pin 5 - Comparator Inverting Input (IN-): Receives feedback voltage for regulation.
6. Pin 6 - Voltage Reference Output (VREF): Provides a reference voltage, typically 1.25V.
7. Pin 7 - Ipk Sense: Current sense input for limiting peak current.
8. Pin 8 - VCC: Supply voltage for the device.
These pins allow the MC34063ADR to perform voltage regulation tasks by switching currents through an inductor, thereby stepping up, stepping down, or inverting the input voltage based on the configuration.
1. Pin 1 - Switch Collector (SWC): Connects to the inductor and freewheeling diode.
2. Pin 2 - Switch Emitter (SWE): Connected to the switching transistor's emitter; typically grounded.
3. Pin 3 - Timing Capacitor (TC): Determines the oscillator frequency.
4. Pin 4 - Ground (GND): Reference point for the circuit, connected to the system ground.
5. Pin 5 - Comparator Inverting Input (IN-): Receives feedback voltage for regulation.
6. Pin 6 - Voltage Reference Output (VREF): Provides a reference voltage, typically 1.25V.
7. Pin 7 - Ipk Sense: Current sense input for limiting peak current.
8. Pin 8 - VCC: Supply voltage for the device.
These pins allow the MC34063ADR to perform voltage regulation tasks by switching currents through an inductor, thereby stepping up, stepping down, or inverting the input voltage based on the configuration.
Manufacturer
The MC34063ADR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices globally. TI is known for its innovation in the field of electronics and is one of the largest semiconductor manufacturers in the world. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments' products are critical in facilitating advanced electronics and technology solutions.
Application
The MC34063ADR is a versatile DC-DC converter IC used in various applications. Its primary areas include step-up (boost) converters, step-down (buck) converters, and inverting configurations, making it suitable for voltage regulation in battery-powered devices. It's commonly used in power supply circuits for consumer electronics, automotive applications, and industrial equipment. The IC's ability to operate over a wide input voltage range and provide adjustable output voltage makes it ideal for generating stable power supplies in microcontroller-based systems, LED drivers, and communication devices. Its built-in frequency compensation and current limiting features enhance reliability and performance in compact and cost-sensitive designs.
Package
The MC34063ADR is typically available in an SOIC-8 package, which is a small outline integrated circuit with 8 pins. This package type is suitable for surface mount technology (SMT) applications, offering a compact footprint for efficient use in various electronic circuits, such as DC-DC converters.
