Overview
The MC33275DT-5.0RKG 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-5.0RKG specifically provides 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 the useful 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 | Vdc |
| Line Regulation (Vin = [VO + 1] V to 12 V, IO = 250 mA) | Regline | - | 2.0 | 10 | mV |
| Load Regulation (Vin = [VO + 1] V, IO = 0 mA to 250 mA) | Regload | - | 5.0 | 25 | mV |
| Dropout Voltage (IO = 10 mA, 100 mA, 250 mA, 300 mA) | Vin - VO | - | 25, 115, 220, 260 | - | mV |
| Ripple Rejection (120 Hz) | - | - | 65, 75 | - | dB |
| Input Voltage | VCC | - | - | 13 | Vdc |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
Key Features
- 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 0.22 μF for 5.0 V output.
- Internal current limiting and thermal shutdown protection.
- Very low quiescent current, suitable for battery-powered devices.
- Available in various packages: SOT-223, SOP-8, DPAK, and DFN 4x4 surface mount packages.
Applications
The MC33275DT-5.0RKG 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 capability, such as:
- Battery-powered devices.
- Consumer electronics.
- Industrial control systems.
- Portable electronics.
Q & A
- What is the maximum output current of the MC33275DT-5.0RKG?
The maximum output current is 300 mA.
- What is the typical dropout voltage at 300 mA?
The typical dropout voltage at 300 mA is 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?
The recommended output capacitance is at least 0.22 μF for 5.0 V output.
- Does the MC33275DT-5.0RKG have internal protection features?
Yes, it has internal current limiting and thermal shutdown protection.
- What is the maximum input voltage for the MC33275DT-5.0RKG?
The maximum input voltage is 13 Vdc.
- What is the operating ambient temperature range for the MC33275DT-5.0RKG?
The operating ambient temperature range is from -40°C to +125°C.
- Is the MC33275DT-5.0RKG suitable for automotive applications?
The NCV prefix version is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the ripple rejection at 120 Hz?
The ripple rejection at 120 Hz is typically 65 to 75 dB.
- How does the MC33275DT-5.0RKG help in extending battery life?
It helps by featuring a very low quiescent current and low input-to-output voltage differential, which reduces power consumption and extends battery life.
