Overview
The MC33375ST-3.0T3G is a micropower low dropout voltage regulator produced by onsemi. This device is part of the MC33375 series, which offers a wide range of output voltages and is available in SOT-223 and SOP-8 packages. The MC33375ST-3.0T3G is specifically designed to provide a fixed output voltage of 3.0V with a 2% tolerance over the junction temperature range from -40°C to +125°C. It features a very low quiescent current and can supply output currents up to 300 mA, making it ideal for battery-powered computer, consumer, and industrial equipment where extending battery life is crucial.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | VCC | - | - | 13 | Vdc |
| Output Current | IO | - | - | 300 | mA |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Output Voltage (3.0V Suffix) | VO | 2.940 | 3.000 | 3.060 | Vdc |
| Line Regulation | Regline | - | 2.0 | 10 | mV |
| Load Regulation | Regload | - | 5.0 | 25 | mV |
| Dropout Voltage at IO = 10 mA | Vin - VO | - | - | 25 | mV |
| Dropout Voltage at IO = 300 mA | Vin - VO | - | - | 260 | mV |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 245 | °C/W |
| Thermal Resistance, Junction-to-Case | RθJC | - | - | 15 | °C/W |
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
- 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
- Logic Level ON/OFF Control
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Pb-Free Devices
Applications
The MC33375ST-3.0T3G is ideally suited for battery-powered equipment, including computers, consumer electronics, and industrial devices. Its low input-to-output voltage differential and low quiescent current make it particularly useful for applications where extending battery life is desirable.
Q & A
- What is the maximum output current of the MC33375ST-3.0T3G? The maximum output current is 300 mA.
- What is the output voltage tolerance of the MC33375ST-3.0T3G? The output voltage tolerance is 2% over the junction temperature range from -40°C to +125°C.
- What are the package options for the MC33375 series? The MC33375 series is available in SOT-223 and SOP-8 packages.
- What is the quiescent current in OFF mode? The quiescent current in OFF mode is 0.3 μA.
- Does the MC33375ST-3.0T3G have internal protection features? Yes, it has internal current and thermal limiting protection.
- How is the output of the regulator controlled? The output can be controlled using a logic level signal on the ON/OFF control pin.
- What is the maximum junction temperature for the MC33375ST-3.0T3G? The maximum junction temperature is 150°C.
- Is the MC33375ST-3.0T3G AEC-Q100 qualified? Yes, it is AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- What is the typical dropout voltage at 300 mA output current? The typical dropout voltage at 300 mA output current is 260 mV.
- What is the recommended output capacitance for stability? The recommended output capacitance for stability is 0.33 μF or greater.
