Overview
The MC33275DT-5.0G is a micropower low dropout voltage regulator produced by onsemi. This device is part of the MC33275 series, which offers a wide range of output voltages and package options, including SOT-223, SOP-8, DPAK, and DFN 4x4 surface mount packages. The MC33275DT-5.0G is specifically designed to provide a fixed output voltage of 5.0V and is capable of supplying output currents up to 300 mA. It features a very low quiescent current, 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 |
|---|---|---|---|---|---|
| Output Voltage (IO = 0 mA to 250 mA) | VO | 4.900 | 5.00 | 5.100 | V |
| Input Voltage | VCC | - | - | 13 | Vdc |
| Output Current | IO | - | - | 300 | mA |
| Dropout Voltage (IO = 300 mA) | VDO | - | - | 260 | mV |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Output Capacitance for Stability | CL | 0.22 | - | - | μF |
Key Features
- Low Input-to-Output Voltage Differential of 25 mV at IO = 10 mA and 260 mV at IO = 300 mA.
- Extremely tight line and load regulation.
- Internal current limiting and thermal shutdown protection.
- Very low quiescent current.
- Stable with output capacitance of only 0.22 μF for 5.0 V output voltage.
- Available in various packages including DPAK, SOP-8, and DFN 4x4.
Applications
The MC33275DT-5.0G is ideally suited for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is desirable. It is also suitable for applications requiring low dropout voltage and high current output, such as portable electronics, medical devices, and automotive systems.
Q & A
- What is the maximum output current of the MC33275DT-5.0G? The maximum output current is 300 mA.
- What is the typical dropout voltage at 300 mA output current? The typical dropout voltage is less than 260 mV.
- What are the available package options for the MC33275 series? The available packages include SOT-223, SOP-8, DPAK, and DFN 4x4 surface mount packages.
- What is the recommended output capacitance for stability? For the 5.0 V output voltage, a minimum of 0.22 μF capacitance is recommended.
- Does the MC33275DT-5.0G have built-in protection features? Yes, it includes internal current limiting and thermal shutdown protection.
- What is the operating ambient temperature range of the MC33275DT-5.0G? The operating ambient temperature range is from -40°C to +125°C.
- What is the maximum junction temperature of the MC33275DT-5.0G? The maximum junction temperature is 150°C.
- Is the MC33275DT-5.0G suitable for battery-powered devices? Yes, it is designed to extend the useful battery life in battery-powered devices.
- What is the input voltage range for the MC33275DT-5.0G? The input voltage range is up to 13 Vdc.
- How should the output capacitor be mounted for stability? The output capacitor should be mounted as close as possible to the MC33275. If it must be mounted further than two centimeters away, a larger value of output capacitor may be required.
