Overview
The MC33063AVDG is a monolithic control circuit designed for DC-to-DC converters, produced by onsemi. This device is part of the MC34063A series, which includes the MC33063A, SC33063A, and NCV33063A. It is specifically designed for Step-Down (Buck), Step-Up (Boost), and Voltage-Inverting applications, requiring a minimal number of external components. The MC33063AVDG operates over a wide input voltage range from 3.0 V to 40 V and is characterized for operation from -40°C to +125°C, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 3.0 | - | 40 | V |
| Output Switch Current | - | - | 1.5 | A |
| Switching Frequency | - | - | 100 | kHz |
| Operating Temperature Range | -40 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| Package Type | - | - | SOIC-8 | - |
| Thermal Resistance (RJA) | - | - | 160 | °C/W |
| Power Dissipation (PD) | - | - | 625 mW | - |
Key Features
- Internal temperature-compensated reference, comparator, and controlled duty cycle oscillator with an active current limit circuit.
- High current output switch capable of handling up to 1.5 A.
- Low standby current and short-circuit current limiting.
- Output voltage adjustable and precision 2% reference.
- Operation from 3.0 V to 40 V input voltage range.
- Available in SOIC-8 and PDIP-8 packages, with a 4x4mm DFN package option.
Applications
- DC-DC power supplies.
- Cigarette lighter adapters (CLA).
- Fan controllers.
- Portable devices, such as blood gas analyzers and cable solutions.
- Human Machine Interfaces (HMIs) and telecommunications equipment.
- Consumer and computing devices.
- Test and measurement equipment).
Q & A
- What is the operating temperature range of the MC33063AVDG?
The MC33063AVDG operates from -40°C to +125°C).
- What is the maximum output switch current of the MC33063AVDG?
The maximum output switch current is 1.5 A).
- What are the typical applications of the MC33063AVDG?
Typical applications include DC-DC power supplies, fan controllers, portable devices, HMIs, telecommunications equipment, and test and measurement equipment).
- What is the input voltage range of the MC33063AVDG?
The input voltage range is from 3.0 V to 40 V).
- What package types are available for the MC33063AVDG?
The device is available in SOIC-8 and PDIP-8 packages, with a 4x4mm DFN package option).
- Does the MC33063AVDG have built-in current limiting?
- What is the switching frequency range of the MC33063AVDG?
The switching frequency can operate up to 100 kHz).
- Is the MC33063AVDG suitable for automotive applications?
- What is the thermal resistance (RJA) of the SOIC-8 package?
The thermal resistance (RJA) for the SOIC-8 package is 160 °C/W).
- Does the MC33063AVDG have ESD protection?
