Overview
The MC33269T-3.3G is a low dropout, medium current, fixed positive linear voltage regulator from onsemi. This device is specifically designed for use in low input voltage applications, offering an economical solution for precision voltage regulation while minimizing power losses. The MC33269T-3.3G is part of the MC33269 series, which includes fixed and adjustable output voltage versions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (Iout = 10 mA, TA = 25°C) | VO | 3.27 | 3.33 | 3.39 | V |
| Dropout Voltage (Iout = 800 mA) | Vin - Vout | - | 1.1 | 1.25 | V |
| Output Current | Iout | - | 800 | - | mA |
| Thermal Protection | - | - | - | - | - |
| Short Circuit Protection | - | - | - | - | - |
| Output Tolerance | - | - | 1.0% | - | - |
| Package Type | - | - | TO-220-3 | - | - |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature | Tstg | -55 | - | 150 | °C |
Key Features
- Low dropout voltage of 1.1 V at 800 mA output current
- Output current in excess of 800 mA
- Thermal protection and short circuit protection
- Output voltage trimmed to 1.0% tolerance
- Space-saving DPAK, SO-8, and SOT-223 power packages (TO-220-3 for this specific model)
- Pb-Free packages available
- Ripple rejection of 55 dB at 120 Hz sinewave with Iout = 500 mA
- Quiescent current of 5.5 mA (typical) for fixed output voltage
Applications
- Low input voltage applications
- Industrial control systems
- Automotive systems (NCV prefix versions)
- Battery-backed power supplies
- Digitally controlled voltage regulators
- General-purpose voltage regulation in various electronic devices
Q & A
- What is the output voltage of the MC33269T-3.3G?
The output voltage of the MC33269T-3.3G is 3.3 V.
- What is the maximum output current of the MC33269T-3.3G?
The maximum output current is in excess of 800 mA.
- What is the dropout voltage of the MC33269T-3.3G at 800 mA output current?
The dropout voltage is approximately 1.1 V at 800 mA output current.
- Does the MC33269T-3.3G have thermal protection?
- What is the package type of the MC33269T-3.3G?
The package type is TO-220-3.
- Is the MC33269T-3.3G Pb-Free?
- What is the operating ambient temperature range of the MC33269T-3.3G?
The operating ambient temperature range is from -40°C to +125°C.
- What is the storage temperature range of the MC33269T-3.3G?
The storage temperature range is from -55°C to +150°C.
- Does the MC33269T-3.3G have short circuit protection?
- What is the ripple rejection of the MC33269T-3.3G?
The ripple rejection is 55 dB at 120 Hz sinewave with Iout = 500 mA.
