Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| 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) |
Tổng quan
Description
The MC34063ADG is a versatile DC-DC converter IC used for step-up, step-down, or inverting voltage applications. It is widely utilized due to its flexibility, low cost, and ease of use. Key features include a switching frequency of up to 100 kHz, a wide input voltage range of 3V to 40V, and an adjustable output voltage. The IC includes an internal temperature-compensated reference, a high-gain comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch.
Its functional blocks enable the design of efficient power supply circuits with minimal external components. The device can deliver output currents up to 1.5A, making it suitable for various applications, including battery chargers, power management in portable devices, and general-purpose DC-DC converters. The MC34063ADG requires external inductors, diodes, and capacitors to complete its circuits, providing flexibility in design. Its simple configuration and robust performance make it a popular choice for engineers in designing power supplies.
Its functional blocks enable the design of efficient power supply circuits with minimal external components. The device can deliver output currents up to 1.5A, making it suitable for various applications, including battery chargers, power management in portable devices, and general-purpose DC-DC converters. The MC34063ADG requires external inductors, diodes, and capacitors to complete its circuits, providing flexibility in design. Its simple configuration and robust performance make it a popular choice for engineers in designing power supplies.
Equivalent
The MC34063ADG is a versatile DC-DC converter IC. Its equivalent products include:
1. MC34063A
2. MC33063A
3. NJM2360
4. LMC34063
5. NE5560
These ICs provide similar functionality for step-up, step-down, and inverting converter applications. Always check the specific datasheet for pin compatibility and electrical characteristics before substitution.
1. MC34063A
2. MC33063A
3. NJM2360
4. LMC34063
5. NE5560
These ICs provide similar functionality for step-up, step-down, and inverting converter applications. Always check the specific datasheet for pin compatibility and electrical characteristics before substitution.
Features
The MC34063ADG is a versatile DC-DC converter IC designed for a variety of power supply applications. Key features include:
1. Wide Input Voltage Range: It operates over a range of 3V to 40V, making it suitable for a broad array of input sources.
2. Switching Frequency: The device allows a user-adjustable switching frequency up to 100 kHz, facilitating design flexibility for different applications.
3. Output Voltage Adjustability: It supports step-up, step-down, and inverting configurations, providing flexibility in output voltage settings.
4. Current Limiting: Features internal current limiting with a maximum output current of 1.5A, which helps protect against overload conditions.
5. On-Chip Voltage Reference: The IC includes a 1.25V voltage reference for precise output voltage regulation.
6. Short Circuit Protection: Ensures safety and reliability by protecting against output short circuits.
7. Temperature Range: Designed to operate within a temperature range of -40°C to 85°C, suitable for various applications.
These features make the MC34063ADG ideal for efficient power conversion in consumer electronics, automotive, and industrial applications.
1. Wide Input Voltage Range: It operates over a range of 3V to 40V, making it suitable for a broad array of input sources.
2. Switching Frequency: The device allows a user-adjustable switching frequency up to 100 kHz, facilitating design flexibility for different applications.
3. Output Voltage Adjustability: It supports step-up, step-down, and inverting configurations, providing flexibility in output voltage settings.
4. Current Limiting: Features internal current limiting with a maximum output current of 1.5A, which helps protect against overload conditions.
5. On-Chip Voltage Reference: The IC includes a 1.25V voltage reference for precise output voltage regulation.
6. Short Circuit Protection: Ensures safety and reliability by protecting against output short circuits.
7. Temperature Range: Designed to operate within a temperature range of -40°C to 85°C, suitable for various applications.
These features make the MC34063ADG ideal for efficient power conversion in consumer electronics, automotive, and industrial applications.
Pinout
The MC34063ADG is an integrated circuit designed for DC-DC conversion applications. It typically comes in an 8-pin package. Here is a brief overview of its pin functions:
1. Switch Collector (Pin 1): This is the collector of the internal transistor switch.
2. Switch Emitter (Pin 2): This is the emitter of the internal transistor switch, usually connected to the inductor.
3. Timing Capacitor (Pin 3): A capacitor connected to this pin is used to set the switching frequency.
4. Ground (Pin 4): This is the common ground pin for the device.
5. Comparator Inverting Input (Pin 5): This is the inverting input to the internal voltage comparator.
6. VCC (Pin 6): This is the supply voltage input for the IC.
7. Ipk Sense (Pin 7): This pin senses the current limit.
8. Driver Collector (Pin 8): Connected to the base of the internal switching transistor.
This IC is widely used for step-up, step-down, and inverting voltage applications, offering flexibility for various power supply designs.
1. Switch Collector (Pin 1): This is the collector of the internal transistor switch.
2. Switch Emitter (Pin 2): This is the emitter of the internal transistor switch, usually connected to the inductor.
3. Timing Capacitor (Pin 3): A capacitor connected to this pin is used to set the switching frequency.
4. Ground (Pin 4): This is the common ground pin for the device.
5. Comparator Inverting Input (Pin 5): This is the inverting input to the internal voltage comparator.
6. VCC (Pin 6): This is the supply voltage input for the IC.
7. Ipk Sense (Pin 7): This pin senses the current limit.
8. Driver Collector (Pin 8): Connected to the base of the internal switching transistor.
This IC is widely used for step-up, step-down, and inverting voltage applications, offering flexibility for various power supply designs.
Manufacturer
The MC34063ADG is manufactured by ON Semiconductor, now known as onsemi. Onsemi is a leading provider of semiconductor solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, discrete, and custom devices. The company focuses on automotive, industrial, cloud, and IoT sectors, providing high-performance products that enable smart and sustainable solutions for various applications.
Application
The MC34063ADG is a versatile DC-DC converter IC commonly used for step-up, step-down, and inverting power supply applications. Its application areas include battery-powered devices, consumer electronics, automotive systems, telecommunications equipment, and industrial control systems. It is suitable for use in adjustable power supplies, LED drivers, power management in portable devices, and on-board point-of-load converters. Its ability to operate over a wide input voltage range and provide a regulated output makes it ideal for various power management tasks.
Package
The MC34063ADG is typically available in an SOIC-8 (Small Outline Integrated Circuit) package, which is a surface-mount package.
