Overview
The MC33375ST-3.0T3 is a micropower low dropout voltage regulator from onsemi, designed to provide efficient voltage regulation in a variety of applications. This device is part of the MC33375 series, which is available in multiple output voltages and package types, including SOT-223 and SOP-8. The MC33375ST-3.0T3 specifically offers a fixed output voltage of 3.0 V. It features a very low quiescent current, making it ideal for battery-powered devices where extending battery life is crucial.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | VCC | 13 | Vdc | ||
| Output Voltage (3.0 V Suffix) | VO | 2.940 | 3.000 | 3.060 | V |
| Output Current | IO | 300 | mA | ||
| Maximum Junction Temperature | TJ | 150 | °C | ||
| Operating Ambient Temperature Range | TA | -40 | 125 | °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.
- On/Off Control: A control pin allows a logic level signal to turn-off or turn-on the regulator output.
- Internal Protection: Current limiting and thermal shutdown protection.
- Output Capacitance: Requires only a 0.33 µF (or greater) capacitance between the output and ground for stability.
- Package Options: Available in SOT-223 and SOP-8 packages.
Applications
The MC33375ST-3.0T3 is ideally suited for battery-powered computer, consumer, and industrial equipment where an extension of useful battery life is desirable. Its low quiescent current and low input-to-output voltage differential make it particularly useful in applications requiring efficient power management.
Q & A
- What is the maximum output current of the MC33375ST-3.0T3? The maximum output current is 300 mA.
- What is the typical dropout voltage of the MC33375ST-3.0T3? The typical dropout voltage is less than 260 mV.
- What are the package options for the MC33375 series? The MC33375 series is available in SOT-223 and SOP-8 packages.
- How does the on/off control work on the MC33375ST-3.0T3? The on/off control is managed through a control pin that allows a logic level signal to turn-off or turn-on the regulator output.
- What is the operating ambient temperature range for the MC33375ST-3.0T3? The operating ambient temperature range is from -40°C to +125°C.
- What kind of internal protection does the MC33375ST-3.0T3 have? The device features internal current limiting and thermal shutdown protection.
- How much capacitance is required for stability between the output and ground? A capacitance of 0.33 µF (or greater) is required between the output and ground for stability.
- What is the maximum junction temperature for the MC33375ST-3.0T3? The maximum junction temperature is 150°C.
- How does the thermal protection work on the MC33375ST-3.0T3? The thermal protection disables the output when the junction temperature exceeds 150°C and re-enables it once the temperature drops below this threshold.
- What are some typical applications for the MC33375ST-3.0T3? Typical applications include battery-powered computer, consumer, and industrial equipment where efficient power management is necessary.
