Overview
The MC33063AQDRQ1 is a versatile and highly integrated DC-DC converter IC produced by Texas Instruments. This device is designed to support a wide range of DC-DC conversion topologies, including boost, buck, and inverting configurations. It is characterized by its ease of use, requiring minimal external components to build functional converters. The MC33063AQDRQ1 is AEC-Q100 qualified, ensuring its reliability and suitability for automotive and other demanding applications. It operates over a temperature range of –40°C to 125°C, making it robust for various environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Supply Voltage | 3 to 40 | V |
| Output Switch Current | Up to 1.5 | A |
| Oscillator Frequency | Up to 100 | kHz |
| Internal Reference Voltage | 1.25 ± 2% | V |
| Operating Temperature Range | –40 to 125 | °C |
| Package Type | SOIC-8 | |
| Junction-to-Ambient Thermal Resistance | 121.9 | °C/W |
| Supply Current (Typical) | 4 | mA |
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, suitable for applications requiring significant current handling.
- Precision Internal Reference: 1.25 V with ±2% accuracy, ensuring stable output voltages.
- Oscillator Frequency: Adjustable up to 100 kHz, allowing for flexible design options.
- Active Peak-Current Limiting: Prevents overcurrent conditions and protects the device.
- Low Standby Current: Minimizes power consumption in standby modes.
- AEC-Q100 Qualified: Suitable for automotive and other high-reliability applications.
Applications
- Automotive Systems: Ideal for buck, boost, and inverting DC-DC converter topologies in automotive applications.
- Industrial Power Supplies: Used in various industrial power supply designs requiring high reliability and flexibility.
- Consumer Electronics: Suitable for power management in consumer electronic devices where compact and efficient DC-DC conversion is needed.
- Step-Up and Step-Down Converters: Can be configured for both step-up and step-down conversion, making it a versatile component for different power requirements.
Q & A
- What is the input voltage range of the MC33063AQDRQ1?
The input voltage range is from 3 V to 40 V.
- What is the maximum output switch current of the MC33063AQDRQ1?
The maximum output switch current is up to 1.5 A.
- What is the internal reference voltage of the MC33063AQDRQ1?
The internal reference voltage is 1.25 V with ±2% accuracy.
- What is the operating temperature range of the MC33063AQDRQ1?
The operating temperature range is from –40°C to 125°C.
- What package type is the MC33063AQDRQ1 available in?
The MC33063AQDRQ1 is available in an SOIC-8 package.
- What is the typical supply current of the MC33063AQDRQ1?
The typical supply current is 4 mA.
- Is the MC33063AQDRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive and other high-reliability applications.
- Can the MC33063AQDRQ1 be used for both step-up and step-down conversions?
Yes, it can be configured for both step-up and step-down DC-DC conversions.
- What is the purpose of the oscillator in the MC33063AQDRQ1?
The oscillator controls the switching frequency of the device, which can be adjusted up to 100 kHz.
- How does the MC33063AQDRQ1 protect against overcurrent conditions?
The device includes active peak-current limiting to prevent overcurrent conditions.
