Overview
The MC33269T-3.3G is a low dropout, medium current, fixed output linear voltage regulator produced by onsemi. This regulator is part of the MC33269 series, which is designed for use in low input voltage applications, offering an economical solution for precision voltage regulation while minimizing power losses. The device is available in a TO-220-3 package and is suitable for a variety of applications requiring stable voltage regulation.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage - Max | 20 V |
| Output Voltage - Fixed | 3.3 V |
| Dropout Voltage - Max | 1.35 V (at 800 mA) |
| Output Current - Max | 800 mA |
| Tolerance (%) | ±1% |
| Operating Temperature Range | -40°C to +125°C |
| Regulator Topology | Fixed |
| Quiescent Current | 20 mA |
| Number of Outputs | Single |
| Load Regulation (%) | 0.5% |
| Line Regulation (%) | 0.3% |
| Package Style | TO-220-3 (TO-220AB) |
| Mounting Method | Flange Mount |
Key Features
- 3.3 V fixed output voltage with adjustable versions available in other models of the series.
- Low dropout voltage of 1.0 V.
- Output current in excess of 800 mA.
- Thermal protection and short circuit protection.
- Output trimmed to 1.0% tolerance.
- Pb-free packages available.
- NCV prefix for automotive and other applications requiring unique site and control change requirements.
- Space-saving DPAK, SO-8, and SOT-223 power packages available in other models of the series.
Applications
The MC33269T-3.3G is suitable for a wide range of applications that require stable and efficient voltage regulation. These include:
- Low input voltage applications where minimal power loss is crucial.
- Automotive systems, especially those requiring AEC-Q100 qualification and PPAP capability.
- Industrial control systems and power supplies.
- Consumer electronics requiring stable voltage regulation.
- Telecommunication equipment and networking devices.
Q & A
- What is the maximum input voltage for the MC33269T-3.3G?
The maximum input voltage is 20 V.
- What is the fixed output voltage of the MC33269T-3.3G?
The fixed output voltage is 3.3 V.
- What is the maximum output current of the MC33269T-3.3G?
The maximum output current is 800 mA.
- What is the dropout voltage of the MC33269T-3.3G at maximum output current?
The dropout voltage at 800 mA is 1.35 V.
- Does the MC33269T-3.3G have thermal protection?
Yes, it includes thermal protection and short circuit protection.
- What is the tolerance of the output voltage?
The output voltage is trimmed to 1.0% tolerance.
- What package style is the MC33269T-3.3G available in?
The device is available in a TO-220-3 (TO-220AB) package.
- What is the operating temperature range of the MC33269T-3.3G?
The operating temperature range is -40°C to +125°C.
- Is the MC33269T-3.3G Pb-free?
Yes, Pb-free packages are available.
- What type of protection does the MC33269T-3.3G have against overcurrent conditions?
The device includes current limiting and short circuit protection.
