Overview
The MC33063ADR2G is a versatile switching regulator from onsemi, designed to serve as a monolithic control circuit for DC-to-DC converters. This device is part of the MC33063A series and is capable of operating in step-up, step-down, and voltage-inverting configurations. It features an internal temperature-compensated reference, comparator, controlled duty cycle oscillator, active current limit circuit, driver, and a high current output switch. This regulator is particularly useful in applications requiring a wide input voltage range and adjustable output voltage with minimal external components.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | onsemi |
| Part Number | MC33063ADR2G |
| Topology | Buck/Boost/Inverting |
| Input Voltage | 3V to 40V |
| Output Current-Max | 1.5A |
| Output Type | Adjustable |
| Switching Frequency-Max | 100kHz |
| Operating Temp Range | -40°C to +85°C |
| Efficiency | 87.7% |
| No. of Outputs | 1 |
| Storage Temperature Range | -65°C to +150°C |
| Load Regulation | 10mV |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
Key Features
- Operation from 3.0 V to 40 V Input
- Low Standby Current
- Current Limiting
- Output Switch Current to 1.5 A
- Output Voltage Adjustable
- Frequency Operation to 100 kHz
- Precision 2% Reference
- Pb-Free Packages are Available
- Exposed pad package for higher output current and improved thermal performance
Applications
- DC-DC Power Supply
- Fan Controller
- Cigarette Lighter Adapter (CLA)
- Power Supply
- Step-down (Buck), Step-up (Boost), and Voltage-Inverting applications
Q & A
- What is the input voltage range of the MC33063ADR2G?
The input voltage range is from 3V to 40V. - What is the maximum output current of the MC33063ADR2G?
The maximum output current is 1.5A. - What are the operating temperature ranges for the MC33063ADR2G?
The operating temperature range is -40°C to +85°C. - What is the switching frequency of the MC33063ADR2G?
The switching frequency can operate up to 100 kHz. - Is the output voltage of the MC33063ADR2G adjustable?
Yes, the output voltage is adjustable. - What is the package style of the MC33063ADR2G?
The package style is SOIC-8. - What are some common applications of the MC33063ADR2G?
Common applications include DC-DC power supplies, fan controllers, and cigarette lighter adapters. - Does the MC33063ADR2G have current limiting features?
Yes, it has current limiting features. - Is the MC33063ADR2G available in Pb-Free packages?
Yes, Pb-Free packages are available. - What is the efficiency of the MC33063ADR2G?
The efficiency is up to 87.7%.
