Overview
The MC33269T-012 is a low dropout, medium current, fixed output voltage regulator from onsemi. This device is part of the MC33269/NCV33269 series, which are specifically designed for use in low input voltage applications. The regulator offers an economical solution for precision voltage regulation while minimizing power losses. It features a 1.0 V dropout composite PNP-NPN pass transistor, current limiting, and thermal shutdown, making it suitable for a variety of applications requiring stable and efficient voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (Iout = 10 mA, TA = 25°C) | VO | 11.88 | 12.00 | 12.12 | V |
| Dropout Voltage (Iout = 500 mA) | Vin - Vout | 1.0 | 1.1 | 1.25 | V |
| Output Current | Iout | - | - | 800 | mA |
| Thermal Resistance, Junction-to-Ambient (TO-220) | θJA | - | - | 65 | °C/W |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature | Tstg | -55 | - | 150 | °C |
| Electrostatic Discharge Sensitivity (HBM) | ESD | - | - | 4000 | V |
Key Features
- Fixed output voltage of 12 V
- 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
- Space-saving DPAK, SO-8, and SOT-223 power packages
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
Applications
The MC33269T-012 is suitable for various applications that require stable and efficient voltage regulation, including:
- Low input voltage applications
- Automotive systems (NCV prefix versions)
- Battery-backed power supplies
- Digitally controlled voltage regulators
- General-purpose voltage regulation in industrial and consumer electronics
Q & A
- What is the output voltage of the MC33269T-012?
The output voltage of the MC33269T-012 is 12 V.
- What is the maximum output current of the MC33269T-012?
The maximum output current is in excess of 800 mA.
- What is the dropout voltage of the MC33269T-012?
The dropout voltage is approximately 1.0 V.
- Does the MC33269T-012 have thermal protection?
- What are the available package types for the MC33269T-012?
The device is available in DPAK, SO-8, and SOT-223 power packages.
- Is the MC33269T-012 suitable for automotive applications?
- What is the operating ambient temperature range of the MC33269T-012?
The operating ambient temperature range is from -40°C to +125°C.
- Does the MC33269T-012 require external capacitors for stability?
- Is the MC33269T-012 Pb-free?
- What is the storage temperature range for the MC33269T-012?
The storage temperature range is from -55°C to +150°C.
