Overview
The MC33375ST-3.3T3G is a micropower low dropout voltage regulator produced by onsemi. This device is part of the MC33375 and NCV33375 series, which are available in various output voltages and packages. The MC33375ST-3.3T3G specifically offers a fixed output voltage of 3.3V and is packaged in a SOT-223 case. It is designed to provide a high level of performance with low quiescent current, making it ideal for battery-powered devices and applications where extending battery life is crucial.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Voltage | VCC | - | - | 13 | Vdc |
| Output Voltage (3.3V Suffix) | VO | 3.234 | 3.3 | 3.366 | Vdc |
| Output Current | IO | - | - | 300 | mA |
| Dropout Voltage (IO = 300 mA) | Vin - VO | - | - | 260 | mV |
| Line Regulation | Regline | - | 2.0 | 10 | mV |
| Load Regulation | Regload | - | 5.0 | 25 | mV |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
Key Features
- Low Quiescent Current: 0.3 µA in OFF mode and 125 µA in ON mode.
- Low Input-to-Output Voltage Differential: 25 mV at IO = 10 mA and 260 mV at IO = 300 mA.
- Tight Line and Load Regulation: Ensures stable output voltage across various input and load conditions.
- Internal Current and Thermal Limiting: Protects the device from overcurrent and overheating.
- Logic Level ON/OFF Control: Allows the regulator to be turned on or off using a logic level signal.
- Pb-Free Devices: Compliant with lead-free packaging requirements.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Stable with Low Output Capacitance: Requires only 0.33 µF output capacitance for stability.
Applications
The MC33375ST-3.3T3G is ideally suited for a variety of applications, including:
- Battery-powered computers and consumer electronics.
- Industrial equipment where low power consumption and extended battery life are essential.
- Automotive systems that require AEC-Q100 qualified components.
- Any application requiring a low dropout voltage regulator with high stability and protection features.
Q & A
- What is the output voltage of the MC33375ST-3.3T3G?
The output voltage of the MC33375ST-3.3T3G is 3.3V.
- What is the maximum output current of the MC33375ST-3.3T3G?
The maximum output current is 300 mA.
- What is the dropout voltage at 300 mA output current?
The dropout voltage at 300 mA output current is typically 260 mV.
- Does the MC33375ST-3.3T3G have internal protection features?
Yes, it has internal current limiting and thermal shutdown protection.
- What is the operating ambient temperature range of the MC33375ST-3.3T3G?
The operating ambient temperature range is -40°C to +125°C.
- Is the MC33375ST-3.3T3G Pb-free?
Yes, it is a Pb-free device.
- What type of capacitors are recommended for stability?
Aluminum, tantalum, or multilayer ceramic capacitors are recommended for stability.
- How much output capacitance is required for stability?
A minimum of 0.33 µF output capacitance is required for stability.
- Can the MC33375ST-3.3T3G be controlled using a logic level signal?
Yes, it has a logic level ON/OFF control pin.
- Is the MC33375ST-3.3T3G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications.
