Overview
The MC33275D-3.3R2G is a micropower low dropout (LDO) linear voltage regulator produced by onsemi. This device is part of the MC33275 series, which is available in various output voltages and packages, including SOT-223, SOP-8, and DPAK. The MC33275D-3.3R2G is specifically configured to provide a fixed output voltage of 3.3V and can supply output currents up to 300 mA. It features a very low quiescent current, making it ideal for battery-powered consumer, computer, and industrial equipment where extending battery life is crucial.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | Up to 300 | mA |
| Input Voltage | Up to 13 | Vdc |
| Quiescent Current (ON Mode) | 125 - 200 | μA |
| Dropout Voltage (IO = 300 mA) | 260 | mV |
| Line Regulation | -2.0 to 10 | mV |
| Load Regulation | -5.0 to 25 | mV |
| Maximum Junction Temperature | 150 | °C |
| Operating Ambient Temperature Range | -40 to +125 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Package Type | SOIC-8 |
Key Features
- Low input-to-output voltage differential of 25 mV at IO = 10 mA and 260 mV at IO = 300 mA
- Extremely tight line and load regulation
- Stable with output capacitance of only 0.33 μF for 2.5 V output voltage
- Internal current and thermal limiting protection
- Low quiescent current of 125 μA
- Pb-free and AEC-Q100 qualified for automotive and other applications requiring unique site and control change requirements
Applications
- Battery-powered consumer products
- Hand-held instruments
- Camcorders and cameras
- Industrial equipment where low power consumption is essential
Q & A
- What is the maximum output current of the MC33275D-3.3R2G?
The maximum output current is up to 300 mA. - What is the typical dropout voltage at 300 mA output current?
The typical dropout voltage is 260 mV. - What are the available package types for the MC33275 series?
The available package types include SOT-223, SOP-8, DPAK, and DFN 4x4. - What is the operating ambient temperature range for the MC33275D-3.3R2G?
The operating ambient temperature range is -40°C to +125°C. - Is the MC33275D-3.3R2G Pb-free?
Yes, the MC33275D-3.3R2G is Pb-free. - What is the recommended output capacitor value for stability?
The recommended output capacitor value is at least 0.33 μF for 2.5 V output voltage and 0.22 μF for 5.0 V output voltage. - Does the MC33275D-3.3R2G have internal protective features?
Yes, it includes internal current and thermal limiting protection. - What is the quiescent current of the MC33275D-3.3R2G in ON mode?
The quiescent current is between 125 μA and 200 μA. - Is the MC33275D-3.3R2G 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 maximum junction temperature for the MC33275D-3.3R2G?
The maximum junction temperature is 150°C.
