Overview
The LM2931ADT-5.0RKG is a low dropout (LDO) linear voltage regulator produced by onsemi. This component is designed to provide a stable 5V output with a maximum current of 100mA. It is particularly suited for applications requiring low quiescent current and high reliability, such as in automotive, industrial, and consumer electronics. The regulator features a very low input-output differential voltage, making it ideal for battery-powered systems where extending battery life is crucial.
Key Specifications
| Attribute | Value | Unit |
|---|---|---|
| Input Voltage - Max | 40 | V |
| Output Voltage Fixed | 5 | V |
| Dropout Voltage - Max | 0.6 | V |
| Output Current - Max | 100 | mA |
| Tolerance | ±3.8% | |
| Operating Temperature Range | -40°C to +125°C | |
| Regulator Topology | Fixed | |
| Number of Outputs | Single | |
| Output Noise | 700µV | |
| Line Regulation | 30mV | |
| Load Regulation | 50mV | |
| Package Style | TO-252-3 (DPAK) | |
| Mounting Method | Surface Mount | |
| Quiescent Current | 0.4mA | |
| Dimensions | 6.73 x 6.22 x 2.38mm |
Key Features
- Low Dropout Voltage: The LM2931ADT-5.0RKG has a maximum dropout voltage of 0.6V, ensuring efficient voltage regulation even with low input voltages.
- Low Quiescent Current: The regulator features a very low quiescent current of 0.4mA, which is beneficial for extending battery life in portable devices.
- High Accuracy: The output voltage has a tolerance of ±3.8%, ensuring stable and reliable operation.
- Protection Features: Includes reverse battery protection, 60V load dump protection, and internal thermal overload protection to safeguard the regulator and the load circuitry.
- Surface Mount Package: The TO-252-3 (DPAK) package is suitable for surface mount applications, offering a compact and efficient design.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments.
Applications
- Automotive Systems: Designed to withstand the harsh conditions of automotive environments, including reverse battery connections and load dump transients.
- Battery-Powered Devices: Ideal for extending the useful life of batteries in portable electronics due to its low quiescent current.
- Industrial and Consumer Electronics: Suitable for various industrial and consumer applications requiring stable and efficient voltage regulation.
- Memory Standby Circuits: Used in memory standby circuits and other low-power processor power supplies.
- CMOS and Low Power Systems: Applicable in CMOS and other low-power systems demanding up to 100mA of output current.
Q & A
- What is the maximum input voltage for the LM2931ADT-5.0RKG?
The maximum input voltage is 40V.
- What is the fixed output voltage of the LM2931ADT-5.0RKG?
The fixed output voltage is 5V with a tolerance of ±3.8%.
- What is the maximum output current of the LM2931ADT-5.0RKG?
The maximum output current is 100mA.
- What is the dropout voltage of the LM2931ADT-5.0RKG?
The maximum dropout voltage is 0.6V.
- What protection features does the LM2931ADT-5.0RKG have?
It includes reverse battery protection, 60V load dump protection, and internal thermal overload protection.
- What is the operating temperature range of the LM2931ADT-5.0RKG?
The operating temperature range is -40°C to +125°C.
- What package type is the LM2931ADT-5.0RKG available in?
The regulator is available in a TO-252-3 (DPAK) surface mount package.
- What is the quiescent current of the LM2931ADT-5.0RKG?
The quiescent current is 0.4mA.
- What are some typical applications of the LM2931ADT-5.0RKG?
Typical applications include automotive systems, battery-powered devices, industrial and consumer electronics, memory standby circuits, and CMOS and low-power systems.
- Does the LM2931ADT-5.0RKG have line and load regulation specifications?
Yes, it has a line regulation of 30mV and a load regulation of 50mV.
