사양
| 속성 | 가치 |
| Package / Case | Bulk,Bulk |
| Part Status | Obsolete |
| 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 | Through Hole |
개요
Description
The LM2931AZ-5.0 is a low dropout voltage regulator designed to provide a stable 5.0V output from a wide input voltage range, typically between 5.5V and 26V. It is a member of the LM2931 series, known for its low quiescent current and ability to maintain output regulation with a minimal voltage drop across the regulator, making it ideal for battery-powered applications.
The device features a typical dropout voltage of 0.2V at 100mA, allowing efficient operation even when the input voltage is close to the output voltage. It also includes several protective features, such as current limiting and thermal shutdown, enhancing its reliability in various applications. The LM2931AZ-5.0 is designed to deliver up to 100mA of output current, suitable for powering microcontrollers and other low-power devices.
The regulator is available in various package types, such as TO-92, TO-220, and surface-mount options, to accommodate different design requirements. Its versatility and efficient performance make it a popular choice in automotive, industrial, and consumer electronics applications.
The device features a typical dropout voltage of 0.2V at 100mA, allowing efficient operation even when the input voltage is close to the output voltage. It also includes several protective features, such as current limiting and thermal shutdown, enhancing its reliability in various applications. The LM2931AZ-5.0 is designed to deliver up to 100mA of output current, suitable for powering microcontrollers and other low-power devices.
The regulator is available in various package types, such as TO-92, TO-220, and surface-mount options, to accommodate different design requirements. Its versatility and efficient performance make it a popular choice in automotive, industrial, and consumer electronics applications.
Equivalent
The LM2931AZ-5.0 is a low-dropout voltage regulator. Equivalent products include:
1. LM2937ET-5.0 by Texas Instruments - It's a similar LDO regulator with comparable specifications.
2. MC7805 by ON Semiconductor - Another fixed-voltage regulator option.
3. LM7805 by STMicroelectronics - A standard 5V regulator suitable for similar applications.
4. AMS1117-5.0 by Advanced Monolithic Systems - Offers similar voltage regulation features.
Ensure compatibility in terms of current, package type, and specific application requirements before substituting.
1. LM2937ET-5.0 by Texas Instruments - It's a similar LDO regulator with comparable specifications.
2. MC7805 by ON Semiconductor - Another fixed-voltage regulator option.
3. LM7805 by STMicroelectronics - A standard 5V regulator suitable for similar applications.
4. AMS1117-5.0 by Advanced Monolithic Systems - Offers similar voltage regulation features.
Ensure compatibility in terms of current, package type, and specific application requirements before substituting.
Features
The LM2931AZ-5.0 is a voltage regulator designed for a wide range of applications. Here are its key features:
1. Output Voltage: Fixed at 5.0V, making it suitable for 5V systems.
2. Input Voltage Range: Operates with input voltages up to 26V.
3. Low Dropout Voltage: Typically around 0.2V at a 100 mA load, ensuring efficiency even when the difference between input and output voltage is small.
4. Maximum Output Current: Provides up to 100 mA, which is sufficient for many low to medium power applications.
5. Low Quiescent Current: Consumes minimal current (typically around 1mA) when not under load, enhancing battery life in portable devices.
6. Current Limiting and Thermal Protection: Built-in safety features to prevent damage from overcurrent and overheating conditions.
7. Line Regulation: Offers good stability with varying input voltages.
8. Load Regulation: Maintains consistent output voltage despite changes in load current.
9. Reverse Polarity Protection: Protects the regulator from damage if the input voltage is reversed.
These features make the LM2931AZ-5.0 an efficient and reliable choice for regulating voltage in various electronic circuits.
1. Output Voltage: Fixed at 5.0V, making it suitable for 5V systems.
2. Input Voltage Range: Operates with input voltages up to 26V.
3. Low Dropout Voltage: Typically around 0.2V at a 100 mA load, ensuring efficiency even when the difference between input and output voltage is small.
4. Maximum Output Current: Provides up to 100 mA, which is sufficient for many low to medium power applications.
5. Low Quiescent Current: Consumes minimal current (typically around 1mA) when not under load, enhancing battery life in portable devices.
6. Current Limiting and Thermal Protection: Built-in safety features to prevent damage from overcurrent and overheating conditions.
7. Line Regulation: Offers good stability with varying input voltages.
8. Load Regulation: Maintains consistent output voltage despite changes in load current.
9. Reverse Polarity Protection: Protects the regulator from damage if the input voltage is reversed.
These features make the LM2931AZ-5.0 an efficient and reliable choice for regulating voltage in various electronic circuits.
Manufacturer
The LM2931AZ-5.0 is a low dropout voltage regulator manufactured by ON Semiconductor. ON Semiconductor is a leading supplier in the semiconductor industry, providing a broad range of products including power and signal management, logic, discrete, and custom devices for various electronic applications. Headquartered in Phoenix, Arizona, the company serves markets such as automotive, industrial, cloud power, and IoT. Its focus is on energy-efficient innovations that help customers reduce global energy use.
Application
The LM2931AZ-5.0 is a low dropout voltage regulator designed for applications requiring stable 5V output with low input voltage. Key application areas include automotive systems, where it can regulate voltage in varying input conditions, portable devices requiring efficient power usage, and battery-powered equipment due to its low quiescent current. It's suitable for use in microcontroller power supplies, telecommunications equipment, and industrial controls where stability and reliability are crucial. Additionally, its protection features against overcurrent and thermal shutdown make it ideal for environments with fluctuating power demands.
Package
The LM2931AZ-5.0 is a voltage regulator that typically comes in a TO-92 package. This package type is a small, three-lead, through-hole design commonly used for transistors and linear ICs, suitable for low-power applications.
