Overview
The MC33269DTRK-3.3G is a fixed and adjustable low dropout positive voltage regulator produced by onsemi. This regulator is designed to provide a medium current of 800 mA and is available in a TO-252-3 (DPAK) package. It is specifically tailored for use in low input voltage applications, offering an economical solution for precision voltage regulation while minimizing power losses. The device features a 1.0 V dropout composite PNP−NPN pass transistor, along with current limiting and thermal shutdown mechanisms.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage - Max | 20 V |
| Output Voltage Fixed | 3.3 V |
| Dropout Voltage - Max | 1.35 V |
| Output Current - Max | 800 mA |
| Tolerance (%) | ±1% |
| Operating Temp Range | -55°C to +150°C |
| Regulator Topology | Fixed |
| Quiescent Current | 20 mA (typical), 5.5 mA (minimum) |
| No. of Outputs | Single |
| Load Regulation (%) | 0.5% |
| Line Regulation (%) | 0.3% |
| Package Style | TO-252-3 (DPAK) |
| Mounting Method | Surface Mount |
Key Features
- 3.3 V, 5.0 V, 12 V, and adjustable versions available
- Space-saving DPAK, SO-8, and SOT-223 power packages
- 1.0 V dropout voltage
- 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; AEC-Q100 qualified and PPAP capable
Applications
The MC33269DTRK-3.3G is suitable for a variety of applications, including:
- Low input voltage applications where precision voltage regulation is required
- Automotive systems due to its AEC-Q100 qualification and PPAP capability
- Battery-backed power supplies and digitally controlled voltage regulators
- General-purpose voltage regulation in electronic devices where a stable and efficient power supply is necessary
Q & A
- What is the maximum output current of the MC33269DTRK-3.3G? The maximum output current is 800 mA.
- What is the output voltage of the MC33269DTRK-3.3G? The output voltage is fixed at 3.3 V.
- What is the maximum dropout voltage of the MC33269DTRK-3.3G? The maximum dropout voltage is 1.35 V.
- What are the operating temperature ranges for the MC33269DTRK-3.3G? The operating temperature range is from -55°C to +150°C.
- Does the MC33269DTRK-3.3G have thermal protection? Yes, it includes thermal protection and short circuit protection.
- What package styles are available for the MC33269DTRK-3.3G? It is available in TO-252-3 (DPAK), SO-8, and SOT-223 packages.
- Is the MC33269DTRK-3.3G Pb-free? Yes, Pb-free packages are available.
- What is the quiescent current of the MC33269DTRK-3.3G? The quiescent current is typically 20 mA, with a minimum of 5.5 mA.
- Is the MC33269DTRK-3.3G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the tolerance of the output voltage? The output voltage is trimmed to 1.0% tolerance.
