Overview
The MC33269D-3.3G is a low dropout, medium current, fixed output 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 regulator 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 | 3.23 | 3.3 | 3.37 | V |
| Output Voltage (Line, Load and Temperature) | VO | 3.23 | 3.3 | 3.37 | V |
| Dropout Voltage (Iout = 500 mA) | Vin - Vout | - | 1.0 | 1.1 | V |
| Current Limit (Vin - Vout = 10 V) | ILimit | - | - | 800 | mA |
| Quiescent Current (Fixed Output) | IQ | - | - | 5.5 | mA |
| 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 3.3 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
- Pb-free devices
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
Applications
The MC33269D-3.3G is suitable for various applications including:
- Low input voltage systems
- Automotive systems (NCV prefix models)
- Battery-backed power supplies
- Digitally controlled voltage regulators
- Current regulators
Q & A
- What is the output voltage of the MC33269D-3.3G?
The output voltage of the MC33269D-3.3G is 3.3 V.
- What is the maximum output current of the MC33269D-3.3G?
The maximum output current is in excess of 800 mA.
- What is the dropout voltage of the MC33269D-3.3G?
The dropout voltage is typically 1.0 V.
- Does the MC33269D-3.3G have thermal protection?
Yes, it features thermal protection and short circuit protection.
- What are the available package types for the MC33269D-3.3G?
The device is available in DPAK, SO-8, and SOT-223 power packages.
- Is the MC33269D-3.3G Pb-free?
Yes, the device is Pb-free.
- What is the operating ambient temperature range of the MC33269D-3.3G?
The operating ambient temperature range is from -40°C to 125°C.
- Does the MC33269D-3.3G require an external output capacitor for stability?
Yes, an external output capacitor of at least 10 μF with an ESR of less than 10 Ω is required for stability.
- Is the MC33269D-3.3G suitable for automotive applications?
Yes, the NCV prefix models are AEC-Q100 qualified and PPAP capable, making them suitable for automotive and other demanding applications.
- What is the quiescent current of the MC33269D-3.3G?
The quiescent current is typically 5.5 mA.
