Overview
The MC33269DTRK-3.3G is a low dropout (LDO) linear voltage regulator produced by onsemi. This device is designed to provide a stable output voltage of 3.3V with a maximum output current of 800 mA. It is particularly suited for applications requiring precision voltage regulation with minimal power losses. The regulator features a 1.0 V dropout composite PNP-NPN pass transistor, along with current limiting and thermal shutdown protection, making it reliable for various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Regulator Type | Low Dropout Voltage |
| Output Voltage | 3.3 V |
| Maximum Output Current | 800 mA |
| Maximum Input Voltage | 20 V |
| Line Regulation | 0.3% |
| Load Regulation | 0.5% |
| Accuracy | ±1% |
| Quiescent Current | 5.5 mA |
| Package Type | TO-252-3 (DPAK) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40°C to 125°C |
| Dimensions | 6.73 x 6.22 x 2.38 mm |
| Dropout Voltage (Max) | 1.35 V @ 800 mA |
| Current Limit | 800 mA |
| Thermal Shutdown Protection | Yes |
| Short Circuit Protection | Yes |
Key Features
- Low dropout voltage of 1.0 V, ensuring efficient voltage regulation.
- Output current in excess of 800 mA, suitable for medium current applications.
- Thermal protection and short circuit protection for enhanced reliability.
- Output trimmed to 1.0% tolerance for high accuracy.
- Space-saving DPAK, SO-8, and SOT-223 power packages available.
- Pb-free packages available, making it environmentally friendly.
- NCV prefix available for automotive and other applications requiring unique site and control change requirements.
Applications
- Low input voltage applications where precision voltage regulation is crucial.
- Battery-backed power supplies and battery-powered devices.
- Digitally controlled voltage regulators and adjustable output voltage applications.
- Automotive and industrial systems requiring reliable and efficient voltage regulation.
- General-purpose power supply circuits in electronic devices.
Q & A
- What is the output voltage of the MC33269DTRK-3.3G?
The output voltage of the MC33269DTRK-3.3G is 3.3 V.
- What is the maximum output current of the MC33269DTRK-3.3G?
The maximum output current is 800 mA.
- What is the maximum input voltage for the MC33269DTRK-3.3G?
The maximum input voltage is 20 V.
- Does the MC33269DTRK-3.3G have thermal shutdown protection?
Yes, it has thermal shutdown protection.
- What is the operating temperature range of the MC33269DTRK-3.3G?
The operating temperature range is -40°C to 125°C.
- What package types are available for the MC33269DTRK-3.3G?
The device is available in TO-252-3 (DPAK), SO-8, and SOT-223 packages.
- Does the MC33269DTRK-3.3G have short circuit protection?
Yes, it has short circuit protection.
- What is the quiescent current of the MC33269DTRK-3.3G?
The quiescent current is 5.5 mA.
- Is the MC33269DTRK-3.3G suitable for automotive applications?
Yes, it is suitable for automotive applications, especially with the NCV prefix.
- What is the dropout voltage of the MC33269DTRK-3.3G at 800 mA?
The dropout voltage at 800 mA is 1.35 V.
