Overview
The MC33275DT-3.3RKG is a micropower low dropout voltage regulator produced by onsemi. This device is part of the MC33275 series, which is available in various output voltages and package types, including DPAK, SOIC-8, and DFN-8. The MC33275DT-3.3RKG specifically provides a fixed output voltage of 3.3V and is designed for applications requiring low input-to-output voltage differential and minimal quiescent current, making it ideal for battery-powered consumer products, hand-held instruments, and industrial equipment.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Input Voltage | Up to 13 | Vdc |
| Maximum Output Current | 300 | mA |
| Dropout Voltage | 260 | mV at IO = 300 mA |
| Line Regulation | 2.0 | mV |
| Load Regulation | 5.0 | mV |
| Quiescent Current (ON Mode) | 125-200 | μA |
| Maximum Junction Temperature | 150 | °C |
| Operating Ambient Temperature Range | -40 to +125 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Package Type | DPAK (Pb-Free) |
Key Features
- Low input-to-output voltage differential of 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
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- Pb-Free device
- Internal thermal shutdown circuit to protect against overheating
Applications
- Battery-powered consumer products
- Hand-held instruments
- Camcorders and cameras
- Industrial equipment where extended battery life is desirable
Q & A
- What is the output voltage of the MC33275DT-3.3RKG?
The output voltage is 3.3V. - What is the maximum output current of the MC33275DT-3.3RKG?
The maximum output current is 300 mA. - What is the dropout voltage at 300 mA output current?
The dropout voltage is 260 mV at IO = 300 mA. - What are the key protective features of the MC33275DT-3.3RKG?
The device features internal current limiting and thermal shutdown protection. - What is the operating ambient temperature range of the MC33275DT-3.3RKG?
The operating ambient temperature range is -40°C to +125°C. - Is the MC33275DT-3.3RKG suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable. - What type of package does the MC33275DT-3.3RKG come in?
The device comes in a DPAK (Pb-Free) package. - What is the recommended output capacitance for stability?
The recommended output capacitance is 0.33 μF or greater. - Does the MC33275DT-3.3RKG require an input bypass capacitor?
An input bypass capacitor is recommended to improve transient response, especially with long wire lengths. - What is the maximum junction temperature of the MC33275DT-3.3RKG?
The maximum junction temperature is 150°C.
