Overview
The MC33063ADR is a versatile and highly integrated DC-DC converter IC produced by Texas Instruments. This device is designed to facilitate the construction of simple DC-DC converters in various topologies, including boost, buck, and inverting configurations. The MC33063ADR is part of the MC33063A series, known for its ease of use and minimal requirement for external components. It features a wide input voltage range, high output switch current, and adjustable output voltage, making it suitable for a broad range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | MC33063ADR | |
| Package | 8-SOIC (0.154, 3.90mm Width) | |
| Number of Pins | 8 | |
| Operating Temperature | -40°C to 85°C | °C |
| Input Voltage Range | 3 V to 40 V | V |
| Output Voltage Range | 1.25 V to 40 V | V |
| Max Output Current | 1.5 A (peak) | A |
| Oscillator Frequency | Up to 100 kHz | kHz |
| Quiescent Current | 4 mA | mA |
| Topology | Buck, Boost, Inverting | |
| Control Mode | Voltage-Mode PWM | |
| Short-Circuit Current Limiting | Yes |
Key Features
- Wide Input Voltage Range: 3 V to 40 V, making it versatile for various power supply configurations.
- High Output Switch Current: Up to 1.5 A peak, suitable for high-current applications.
- Adjustable Output Voltage: Allows for flexible output voltage settings from 1.25 V to 40 V.
- Oscillator Frequency: Up to 100 kHz, enabling efficient switching operations.
- Precision Internal Reference: 2% accuracy, ensuring reliable and stable output voltages.
- Short-Circuit Current Limiting: Protects the device from overcurrent conditions.
- Low Standby Current: Minimizes power consumption when not in active use.
- Minimal External Components: Simplifies the design and implementation of DC-DC converters.
Applications
- Power Supplies: Suitable for building DC-DC converters in various topologies (boost, buck, inverting).
- Industrial Control Systems: Used in control circuits requiring adjustable and reliable power supply.
- Consumer Electronics: Ideal for powering devices in consumer electronics where efficient power management is crucial.
- Automotive Systems: Can be used in automotive applications where a wide input voltage range and high reliability are necessary.
- Medical Devices: Applicable in medical equipment requiring precise and stable power supply.
Q & A
- What is the input voltage range of the MC33063ADR?
The input voltage range is from 3 V to 40 V.
- What are the possible output voltage configurations for the MC33063ADR?
The output voltage can be adjusted from 1.25 V to 40 V.
- What is the maximum output current of the MC33063ADR?
The maximum output current is up to 1.5 A peak.
- What is the operating temperature range of the MC33063ADR?
The operating temperature range is from -40°C to 85°C.
- What are the typical applications of the MC33063ADR?
It is used in power supplies, industrial control systems, consumer electronics, automotive systems, and medical devices.
- What is the oscillator frequency of the MC33063ADR?
The oscillator frequency can be up to 100 kHz.
- Does the MC33063ADR have short-circuit current limiting?
Yes, it has built-in short-circuit current limiting.
- What is the quiescent current of the MC33063ADR?
The quiescent current is 4 mA.
- What package types are available for the MC33063ADR?
It is available in an 8-SOIC package.
- Is the MC33063ADR RoHS compliant?
Yes, it is RoHS3 compliant.
