사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 1.235V (5V) |
| Voltage - Output (Max) | 30V |
| Voltage Dropout (Max) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 14 mA |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LP2951-50QDRGRQ1 is a low-dropout (LDO) voltage regulator designed for various applications requiring precise voltage regulation. It is part of Texas Instruments' LP2951 series and is qualified for automotive applications, adhering to AEC-Q100 standards for high reliability. This device offers an output voltage of 5.0V and can deliver up to 100 mA of output current. It features low quiescent current and low dropout voltage, making it suitable for battery-powered systems.
The regulator includes several key features to enhance performance and reliability, such as thermal shutdown, current limiting, and reverse battery protection. The LP2951-50QDRGRQ1 also has programmable output voltage, a feature enabled by external resistors, and includes error detection circuitry for under-voltage conditions. Its small package size allows for flexibility in compact designs, while its wide operating temperature range makes it suitable for harsh environments. This device is commonly used in automotive, industrial, and consumer electronics applications, providing reliable and efficient power management solutions.
The regulator includes several key features to enhance performance and reliability, such as thermal shutdown, current limiting, and reverse battery protection. The LP2951-50QDRGRQ1 also has programmable output voltage, a feature enabled by external resistors, and includes error detection circuitry for under-voltage conditions. Its small package size allows for flexibility in compact designs, while its wide operating temperature range makes it suitable for harsh environments. This device is commonly used in automotive, industrial, and consumer electronics applications, providing reliable and efficient power management solutions.
Equivalent
The LP2951-50QDRGRQ1 is a low-dropout voltage regulator. Equivalent products include:
1. MIC5205 Series by Microchip
2. LT1761 Series by Analog Devices
3. NCP512 by ON Semiconductor
4. TS2951 by STMicroelectronics
5. MCP1703 Series by Microchip
These equivalents have similar voltage regulation features but always verify specifications like output voltage, current capabilities, and package type for compatibility.
1. MIC5205 Series by Microchip
2. LT1761 Series by Analog Devices
3. NCP512 by ON Semiconductor
4. TS2951 by STMicroelectronics
5. MCP1703 Series by Microchip
These equivalents have similar voltage regulation features but always verify specifications like output voltage, current capabilities, and package type for compatibility.
Features
The LP2951-50QDRGRQ1 is a precision voltage regulator from Texas Instruments, designed primarily for automotive applications. Key features include:
1. Low Dropout Voltage: It offers a low dropout voltage, which is beneficial for prolonging battery life.
2. Output Voltage: The device provides a fixed output voltage of 5V.
3. Wide Input Voltage Range: It supports a wide input voltage range, enhancing its versatility in different applications.
4. Low Quiescent Current: Designed to consume minimal power when in a quiescent state, making it energy-efficient.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
6. Current Limiting: Features short-circuit current limiting for reliability under fault conditions.
7. Temperature Stability: Offers good temperature stability suitable for automotive environments.
8. Package: Available in an 8-pin SOIC package, suitable for space-constrained designs.
9. Qualification: Automotive-grade qualified, meeting AEC-Q100 standards for reliability.
These features make the LP2951-50QDRGRQ1 highly suitable for reliable voltage regulation in automotive and other demanding applications.
1. Low Dropout Voltage: It offers a low dropout voltage, which is beneficial for prolonging battery life.
2. Output Voltage: The device provides a fixed output voltage of 5V.
3. Wide Input Voltage Range: It supports a wide input voltage range, enhancing its versatility in different applications.
4. Low Quiescent Current: Designed to consume minimal power when in a quiescent state, making it energy-efficient.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
6. Current Limiting: Features short-circuit current limiting for reliability under fault conditions.
7. Temperature Stability: Offers good temperature stability suitable for automotive environments.
8. Package: Available in an 8-pin SOIC package, suitable for space-constrained designs.
9. Qualification: Automotive-grade qualified, meeting AEC-Q100 standards for reliability.
These features make the LP2951-50QDRGRQ1 highly suitable for reliable voltage regulation in automotive and other demanding applications.
Pinout
The LP2951-50QDRGRQ1 is a low-dropout voltage regulator with a total pin count of 8. It is part of the LP2951 series and is designed for automotive applications, meeting the AEC-Q100 qualification standards.
Key functions of the LP2951-50QDRGRQ1 include:
1. Voltage Regulation: It provides a fixed output voltage of 5.0V, which is regulated with high accuracy.
2. Low Dropout: It offers low dropout voltage, making it efficient for battery-powered and low-voltage applications.
3. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
4. Short Circuit Protection: Protects against output short circuits for enhanced reliability.
5. Error Flag: It has an error flag feature that indicates when the output voltage falls out of regulation.
6. Adjustable Output: Some variants allow for output voltage adjustment using external resistors.
The LP2951-50QDRGRQ1 is typically used in automotive, industrial, and consumer electronics where reliable voltage regulation is critical.
Key functions of the LP2951-50QDRGRQ1 include:
1. Voltage Regulation: It provides a fixed output voltage of 5.0V, which is regulated with high accuracy.
2. Low Dropout: It offers low dropout voltage, making it efficient for battery-powered and low-voltage applications.
3. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
4. Short Circuit Protection: Protects against output short circuits for enhanced reliability.
5. Error Flag: It has an error flag feature that indicates when the output voltage falls out of regulation.
6. Adjustable Output: Some variants allow for output voltage adjustment using external resistors.
The LP2951-50QDRGRQ1 is typically used in automotive, industrial, and consumer electronics where reliable voltage regulation is critical.
Manufacturer
The LP2951-50QDRGRQ1 is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a range of electronic components, including integrated circuits, microcontrollers, and sensors. Known for its innovation and quality, the company serves various industries, including automotive, industrial, and consumer electronics.
Application
The LP2951-50QDRGRQ1 is a low-dropout voltage regulator designed for applications requiring precise voltage regulation and low noise. Common application areas include:
1. Automotive Systems: Suitable for use in automotive electronics due to its AEC-Q100 qualification.
2. Battery-Powered Devices: Ideal for battery-operated equipment due to its low quiescent current.
3. Consumer Electronics: Used in gadgets requiring stable voltage supply.
4. Industrial Controls: Provides reliable voltage regulation in industrial environments.
5. Microcontroller Power: Supplies stable power to microcontrollers and other digital logic circuits.
These applications benefit from its low dropout voltage, wide input voltage range, and high precision.
1. Automotive Systems: Suitable for use in automotive electronics due to its AEC-Q100 qualification.
2. Battery-Powered Devices: Ideal for battery-operated equipment due to its low quiescent current.
3. Consumer Electronics: Used in gadgets requiring stable voltage supply.
4. Industrial Controls: Provides reliable voltage regulation in industrial environments.
5. Microcontroller Power: Supplies stable power to microcontrollers and other digital logic circuits.
These applications benefit from its low dropout voltage, wide input voltage range, and high precision.
Package
The LP2951-50QDRGRQ1 is a low-dropout voltage regulator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
