Overview
The MC33269D-5.0G, produced by onsemi, is a low dropout, medium current, positive voltage regulator designed for use in low input voltage applications. This device offers an economical solution for precision voltage regulation while minimizing power losses. It is part of the MC33269/NCV33269 series, which includes fixed and adjustable output versions. 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 voltage regulation.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (Iout = 10 mA, TA = 25°C) | 4.95 | 5.0 | 5.05 | V |
| Dropout Voltage (Iout = 500 mA) | - | 1.0 | 1.1 | V |
| Dropout Voltage (Iout = 800 mA) | - | - | 1.25 | V |
| Ripple Rejection (10 Vpp, 120 Hz Sinewave; Iout = 500 mA) | 55 | - | - | dB |
| Current Limit (Vin - Vout = 10 V) | 800 | - | - | mA |
| Quiescent Current (Fixed Output) | - | 5.5 | 8.0 | mA |
| Minimum Required Load Current | - | - | 0 | mA |
| Adjustment Pin Current | - | - | 120 μA | - |
| Operating Ambient Temperature Range | -40 | - | 125 | °C |
| Storage Temperature | -55 | - | 150 | °C |
Key Features
- Fixed and adjustable output versions available, including 3.3 V, 5.0 V, and 12 V options.
- Space-saving DPAK, SO-8, and SOT-223 power packages.
- 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.
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable.
- Pb-free devices.
Applications
The MC33269D-5.0G is suitable for various applications requiring stable and efficient voltage regulation, such as:
- 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 maximum output current of the MC33269D-5.0G?
The maximum output current is in excess of 800 mA. - What are the available output voltage options for the MC33269 series?
The available output voltage options include 3.3 V, 5.0 V, and 12 V, as well as adjustable versions. - What is the dropout voltage of the MC33269D-5.0G?
The dropout voltage is 1.0 V for an output current of 500 mA and up to 1.25 V for an output current of 800 mA. - Does the MC33269D-5.0G have thermal protection?
Yes, it includes thermal protection and short circuit protection. - What are the package options for the MC33269D-5.0G?
The device is available in DPAK, SO-8, and SOT-223 power packages. - Is the MC33269D-5.0G suitable for automotive applications?
Yes, the NCV prefix versions are AEC-Q100 qualified and PPAP capable, making them suitable for automotive and other demanding applications. - What is the operating ambient temperature range of the MC33269D-5.0G?
The operating ambient temperature range is from -40°C to +125°C. - What is the storage temperature range for the MC33269D-5.0G?
The storage temperature range is from -55°C to +150°C. - Does the MC33269D-5.0G have ripple rejection capability?
Yes, it has a ripple rejection ratio of 55 dB for a 10 Vpp, 120 Hz sinewave at an output current of 500 mA. - What is the quiescent current of the MC33269D-5.0G?
The quiescent current is typically 5.5 mA to 8.0 mA for fixed output versions.
