사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 1 mA |
| Current - Supply (Max) | 30 mA |
| PSRR | 90dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
개요
Description
The LM2931AD-5.0R2G is a low-dropout voltage regulator specifically designed to provide a stable 5.0V output from a range of input voltages. It is part of the LM2931 series known for its low quiescent current and excellent load and line regulation. Key features include a low dropout voltage of about 0.4V at 100mA, making it efficient for battery-powered applications. The device offers a maximum output current of 100mA and includes built-in protection features such as overcurrent and thermal shutdown to safeguard against excessive load or temperature conditions.
The LM2931AD-5.0R2G is typically encased in a surface-mount package, making it suitable for compact circuit board designs. Its operating temperature range spans from -40°C to +125°C, allowing for reliable performance in various environmental conditions. This regulator is commonly used in automotive, industrial, and consumer electronics applications where a precise and stable voltage is essential. Its robust design and protective features make it a reliable choice for engineers looking to ensure the longevity and efficiency of their electronic devices.
The LM2931AD-5.0R2G is typically encased in a surface-mount package, making it suitable for compact circuit board designs. Its operating temperature range spans from -40°C to +125°C, allowing for reliable performance in various environmental conditions. This regulator is commonly used in automotive, industrial, and consumer electronics applications where a precise and stable voltage is essential. Its robust design and protective features make it a reliable choice for engineers looking to ensure the longevity and efficiency of their electronic devices.
Equivalent
The LM2931AD-5.0R2G is a low dropout voltage regulator. Equivalent products include:
1. MIC29300-5.0WT - from Microchip Technology
2. AMS1117-5.0 - from Advanced Monolithic Systems
3. KA78R05 - from ON Semiconductor
4. UA78M05 - from Texas Instruments
These alternatives have similar specifications but always confirm the exact parameters and pin configurations to ensure compatibility.
1. MIC29300-5.0WT - from Microchip Technology
2. AMS1117-5.0 - from Advanced Monolithic Systems
3. KA78R05 - from ON Semiconductor
4. UA78M05 - from Texas Instruments
These alternatives have similar specifications but always confirm the exact parameters and pin configurations to ensure compatibility.
Features
The LM2931AD-5.0R2G is a low dropout voltage regulator designed for applications needing a stable 5.0V output. Key features include:
1. Low Dropout Voltage: It offers a low dropout voltage, making it efficient in battery-powered devices.
2. Output Current: Capable of delivering up to 100 mA of output current.
3. Stability: Provides stable operation with a range of output capacitors, enhancing system reliability.
4. Wide Input Voltage Range: Supports a wide input voltage range, improving versatility in various applications.
5. Low Quiescent Current: It has a low quiescent current, which is beneficial for energy-efficient designs.
6. Protection Features: Includes internal current limiting and thermal shutdown for protection against overload and overheating.
7. Reverse Polarity Protection: Guards against damage from incorrect power supply connections.
8. Compact Package: Available in small, space-saving packages suitable for compact electronic devices.
These features make the LM2931AD-5.0R2G suitable for use in automotive, industrial, and consumer electronics where a regulated 5.0V power source is required.
1. Low Dropout Voltage: It offers a low dropout voltage, making it efficient in battery-powered devices.
2. Output Current: Capable of delivering up to 100 mA of output current.
3. Stability: Provides stable operation with a range of output capacitors, enhancing system reliability.
4. Wide Input Voltage Range: Supports a wide input voltage range, improving versatility in various applications.
5. Low Quiescent Current: It has a low quiescent current, which is beneficial for energy-efficient designs.
6. Protection Features: Includes internal current limiting and thermal shutdown for protection against overload and overheating.
7. Reverse Polarity Protection: Guards against damage from incorrect power supply connections.
8. Compact Package: Available in small, space-saving packages suitable for compact electronic devices.
These features make the LM2931AD-5.0R2G suitable for use in automotive, industrial, and consumer electronics where a regulated 5.0V power source is required.
Pinout
The LM2931AD-5.0R2G is a low dropout voltage regulator. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. For this specific device, the pin count is 8.
Here's a brief overview of its functions:
1. Input Pin: Receives the input voltage which is regulated to a stable output.
2. Ground Pin(s): Provides a ground connection.
3. Output Pin: Supplies the regulated voltage output.
4. Bypass/Noise-Reduction Pin: Allows an external capacitor to be connected for reducing output noise.
5. Enable/Shutdown Pin: Used to enable or disable the voltage regulator.
6. Feedback/Adjust Pin: Used for adjusting the output voltage in adjustable versions, not typically used in fixed-output versions like the 5.0V model.
The LM2931AD-5.0R2G is specifically designed to provide a fixed 5.0V output with low dropout voltage and is typically used in battery-powered applications due to its efficient power usage and compact size.
Here's a brief overview of its functions:
1. Input Pin: Receives the input voltage which is regulated to a stable output.
2. Ground Pin(s): Provides a ground connection.
3. Output Pin: Supplies the regulated voltage output.
4. Bypass/Noise-Reduction Pin: Allows an external capacitor to be connected for reducing output noise.
5. Enable/Shutdown Pin: Used to enable or disable the voltage regulator.
6. Feedback/Adjust Pin: Used for adjusting the output voltage in adjustable versions, not typically used in fixed-output versions like the 5.0V model.
The LM2931AD-5.0R2G is specifically designed to provide a fixed 5.0V output with low dropout voltage and is typically used in battery-powered applications due to its efficient power usage and compact size.
Manufacturer
The LM2931AD-5.0R2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a company that specializes in semiconductor manufacturing. It provides a wide range of products including power management, analog, sensors, logic, timing, connectivity, discrete, SoC (system-on-chip), and custom devices. onsemi serves various sectors such as automotive, industrial, cloud power, and the Internet of Things (IoT). The company focuses on energy-efficient innovations and solutions to address electronics design challenges and to deliver sustainable outcomes.
Application
The LM2931AD-5.0R2G is a low-dropout voltage regulator commonly used in various applications. Its application areas include:
1. Automotive Electronics: Provides stable voltage for automotive systems.
2. Battery-Powered Devices: Ensures efficient power management in portable electronics.
3. Industrial Automation: Supports reliable operation of sensors and control systems.
4. Consumer Electronics: Powers small devices like radios and portable gadgets.
5. Embedded Systems: Supplies microcontrollers and digital circuits with regulated voltage.
6. Telecommunications: Maintains stability in communication equipment.
7. Power Supply Systems: Acts as a post-regulator for switch-mode power supplies.
These areas benefit from the LM2931AD-5.0R2G's low quiescent current and high efficiency.
1. Automotive Electronics: Provides stable voltage for automotive systems.
2. Battery-Powered Devices: Ensures efficient power management in portable electronics.
3. Industrial Automation: Supports reliable operation of sensors and control systems.
4. Consumer Electronics: Powers small devices like radios and portable gadgets.
5. Embedded Systems: Supplies microcontrollers and digital circuits with regulated voltage.
6. Telecommunications: Maintains stability in communication equipment.
7. Power Supply Systems: Acts as a post-regulator for switch-mode power supplies.
These areas benefit from the LM2931AD-5.0R2G's low quiescent current and high efficiency.
Package
The LM2931AD-5.0R2G is a low dropout voltage regulator packaged in a surface-mount SOIC-8 (Small Outline Integrated Circuit 8-lead) package. It provides a fixed output voltage of 5.0V and is designed for use in battery-powered applications due to its low quiescent current and dropout voltage.