Overview
The onsemi MC33269T-5.0G is a low dropout (LDO) linear voltage regulator designed for precision voltage regulation in various applications. This device is part of the MC33269/NCV33269 series, which offers fixed and adjustable output voltage options. The MC33269T-5.0G specifically provides a fixed output voltage of 5 V and is capable of delivering up to 800 mA of output current. It is housed in a TO-220 package, making it suitable for through-hole mounting. This regulator is particularly useful in low input voltage applications and is known for its high accuracy, low quiescent current, and robust protective features such as thermal and short circuit protection.
Key Specifications
| Attribute | Value |
|---|---|
| Regulator Type | Low Dropout Voltage |
| Maximum Output Current | 800 mA |
| Output Voltage | 5 V |
| Number of Outputs | 1 |
| Line Regulation | 0.3 % |
| Load Regulation | 0.5 % |
| Accuracy | ±1% |
| Polarity | Positive |
| Mounting Type | Through Hole |
| Package Type | TO-220 |
| Quiescent Current | 20 mA |
| Pin Count | 3 |
| Output Type | Fixed |
| Dimensions | 10.28 x 4.82 x 15.75 mm |
| Maximum Input Voltage | 20 V |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -40 °C |
Key Features
- Low dropout voltage of 1.0 V, allowing for efficient operation in low input voltage applications.
- Output current in excess of 800 mA, making it suitable for medium current requirements.
- Thermal protection and short circuit protection for enhanced reliability.
- Output trimmed to 1.0% tolerance for high accuracy voltage regulation.
- Pb-free and RoHS compliant, ensuring environmental sustainability.
- Space-saving packages including DPAK, SO-8, and SOT-223, in addition to the TO-220 package for this specific model.
- NCV prefix versions available for automotive and other applications requiring AEC-Q100 qualification and PPAP capability.
Applications
The onsemi MC33269T-5.0G is versatile and can be used in a variety of applications, including:
- Power supply systems requiring precise voltage regulation.
- Automotive systems, especially with the NCV prefix versions that meet AEC-Q100 standards.
- Industrial control systems where reliable and stable voltage regulation is crucial.
- Consumer electronics that demand low noise and high PSRR (Power Supply Rejection Ratio).
- Medical devices and equipment that require stable and accurate voltage supply.
Q & A
- What is the output voltage of the MC33269T-5.0G?
The output voltage of the MC33269T-5.0G is 5 V.
- What is the maximum output current of the MC33269T-5.0G?
The maximum output current is 800 mA.
- What type of package does the MC33269T-5.0G come in?
The MC33269T-5.0G comes in a TO-220 package.
- Does the MC33269T-5.0G have thermal protection?
Yes, it includes thermal protection and short circuit protection.
- What is the quiescent current of the MC33269T-5.0G?
The quiescent current is 20 mA.
- Is the MC33269T-5.0G Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What is the operating temperature range of the MC33269T-5.0G?
The operating temperature range is from -40 °C to +125 °C.
- Does the MC33269T-5.0G require an external output capacitor for stability?
Yes, an external output capacitor is required for stability, typically at least 10 μF with an ESR of less than 10 Ω but greater than 0.2 Ω.
- Are there other package options available for the MC33269 series?
Yes, other package options include DPAK, SO-8, and SOT-223.
- Is the MC33269T-5.0G suitable for automotive applications?
Yes, especially with the NCV prefix versions that meet AEC-Q100 standards.
