Overview
The MC33375ST-2.5T3G is a micropower low dropout voltage regulator produced by onsemi. This device is part of the MC33375 series, which is available in various output voltages and packages, including SOT-223 and SOP-8. The MC33375ST-2.5T3G is specifically designed to provide a fixed output voltage of 2.5V. It features a very low quiescent current and is capable of supplying 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 Voltage (2.5V Suffix) | VO | 2.450 | 2.500 | 2.550 | Vdc |
| Output Current | IO | 300 | mA | ||
| Dropout Voltage (IO = 10 mA) | Vin - VO | 25 | mV | ||
| Dropout Voltage (IO = 300 mA) | Vin - VO | 260 | mV | ||
| Line Regulation | Regline | 10 | mV | ||
| Load Regulation | Regload | 25 | mV | ||
| Maximum Junction Temperature | TJ | 150 | °C | ||
| Thermal Resistance, Junction-to-Ambient (SOT-223) | RθJA | 245 | °C/W | ||
| Thermal Resistance, Junction-to-Case (SOT-223) | 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.
- 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 output to be turned on or off using a logic level signal.
- Pb-Free Devices: Compliant with lead-free 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 (or greater) capacitance for stability.
Applications
The MC33375ST-2.5T3G is ideally suited for battery-powered devices, including computers, consumer electronics, and industrial equipment. Its low quiescent current and low dropout voltage make it particularly useful in applications where extending battery life is a priority.
It is also suitable for use in automotive and other applications that require AEC-Q100 qualification and PPAP capability.
Q & A
- What is the maximum output current of the MC33375ST-2.5T3G?
The maximum output current is 300 mA.
- 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 quiescent current in OFF mode?
The quiescent current in OFF mode is 0.3 µA.
- What is the quiescent current in ON mode?
The quiescent current in ON mode is 125 µA.
- What type of packages are available for the MC33375 series?
The MC33375 series is available in SOT-223 and SOP-8 packages.
- What is the maximum junction temperature for the MC33375ST-2.5T3G?
The maximum junction temperature is 150°C.
- Does the MC33375ST-2.5T3G have internal protection features?
Yes, it has internal current limiting and thermal shutdown protection.
- What is the recommended output capacitance for stability?
The recommended output capacitance is 0.33 µF or greater.
- Can the MC33375ST-2.5T3G be controlled using a logic level signal?
Yes, it has a logic level ON/OFF control pin.
- Is the MC33375ST-2.5T3G AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified and PPAP capable.
