規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 0.45V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 12 mA |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The LP2950CDT-5.0RKG is a low-dropout (LDO) voltage regulator designed to provide a steady 5.0V output voltage from a higher input voltage, typically ranging from slightly above 5V to 30V. Manufactured by ON Semiconductor, it is part of the LP2950 series known for its low quiescent current and high efficiency, making it suitable for battery-powered applications.
Key features of the LP2950CDT-5.0RKG include:
1. Low Dropout Voltage: It ensures efficient regulation with minimal voltage drop between input and output, making it ideal for low-voltage applications.
2. Output Current: It can supply up to 100 mA of output current, sufficient for many low-power devices.
3. Thermal and Current Limiting: Built-in features protect the device and connected circuits from overheating and overcurrent conditions.
4. Package: Often available in a TO-252 (DPAK) package, which facilitates heat dissipation.
This regulator is widely used in portable electronics, microcontroller applications, and other scenarios where a stable 5V supply is essential.
Key features of the LP2950CDT-5.0RKG include:
1. Low Dropout Voltage: It ensures efficient regulation with minimal voltage drop between input and output, making it ideal for low-voltage applications.
2. Output Current: It can supply up to 100 mA of output current, sufficient for many low-power devices.
3. Thermal and Current Limiting: Built-in features protect the device and connected circuits from overheating and overcurrent conditions.
4. Package: Often available in a TO-252 (DPAK) package, which facilitates heat dissipation.
This regulator is widely used in portable electronics, microcontroller applications, and other scenarios where a stable 5V supply is essential.
Equivalent
The LP2950CDT-5.0RKG is a voltage regulator with a 5V output. Equivalent products include the LM7805 series from various manufacturers like Texas Instruments or ON Semiconductor, the MIC5205-5.0 from Microchip, and the UA78L05ACD from Texas Instruments. These are low-dropout voltage regulators that can provide similar functionality but always check the specific electrical characteristics and pin configurations to ensure compatibility.
Features
The LP2950CDT-5.0RKG is a low-dropout (LDO) voltage regulator designed for efficient power management. Key features include:
1. Output Voltage: Fixed at 5.0V, suitable for a range of electronic applications.
2. Low Dropout Voltage: Allows the regulator to provide a stable output voltage with a minimal difference between input and output voltages, improving efficiency.
3. Output Current: Supports up to 100 mA, sufficient for powering small to medium-sized circuits.
4. Low Quiescent Current: Consumes minimal current when not driving a load, which is beneficial for battery-powered devices.
5. High Accuracy: Offers precise voltage regulation, typically within ±0.5% of the specified value.
6. Thermal Overload Protection: Safeguards the device from overheating, ensuring reliability.
7. Short Circuit Protection: Protects against output short circuits.
8. Package Type: Available in a surface-mount TO-252-3 package, suitable for compact designs.
9. Wide Operating Temperature Range: Functions effectively in temperatures ranging from -40°C to 125°C, making it versatile for various environments.
These features make the LP2950CDT-5.0RKG ideal for applications requiring reliable and efficient voltage regulation.
1. Output Voltage: Fixed at 5.0V, suitable for a range of electronic applications.
2. Low Dropout Voltage: Allows the regulator to provide a stable output voltage with a minimal difference between input and output voltages, improving efficiency.
3. Output Current: Supports up to 100 mA, sufficient for powering small to medium-sized circuits.
4. Low Quiescent Current: Consumes minimal current when not driving a load, which is beneficial for battery-powered devices.
5. High Accuracy: Offers precise voltage regulation, typically within ±0.5% of the specified value.
6. Thermal Overload Protection: Safeguards the device from overheating, ensuring reliability.
7. Short Circuit Protection: Protects against output short circuits.
8. Package Type: Available in a surface-mount TO-252-3 package, suitable for compact designs.
9. Wide Operating Temperature Range: Functions effectively in temperatures ranging from -40°C to 125°C, making it versatile for various environments.
These features make the LP2950CDT-5.0RKG ideal for applications requiring reliable and efficient voltage regulation.
Pinout
The LP2950CDT-5.0RKG is a three-terminal voltage regulator. It has a fixed output voltage of 5.0 volts. The device comes in various package options, but typically, in a TO-252 package which is common for the "CDT" suffix, it features three pins.
Here is a brief overview of the pin functions:
1. Input (Vin): This pin is where the unregulated input voltage is supplied. The LP2950 can accept a higher voltage input and regulate it down to the fixed output voltage.
2. Ground (GND): This pin is the ground reference for the regulator. It is connected to the negative side of the input voltage and the load.
3. Output (Vout): This pin provides the regulated output voltage. In this specific model, the output is fixed at 5.0 volts. The output should be connected to the load that requires regulation.
These voltage regulators are typically used in applications where a stable and specific output voltage is required, such as in microcontrollers and other digital circuits.
Here is a brief overview of the pin functions:
1. Input (Vin): This pin is where the unregulated input voltage is supplied. The LP2950 can accept a higher voltage input and regulate it down to the fixed output voltage.
2. Ground (GND): This pin is the ground reference for the regulator. It is connected to the negative side of the input voltage and the load.
3. Output (Vout): This pin provides the regulated output voltage. In this specific model, the output is fixed at 5.0 volts. The output should be connected to the load that requires regulation.
These voltage regulators are typically used in applications where a stable and specific output voltage is required, such as in microcontrollers and other digital circuits.
Manufacturer
The LP2950CDT-5.0RKG is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a global company specializing in semiconductor manufacturing. They produce a wide range of products, including power and signal management, logic, discrete, and custom devices for various applications. Onsemi's products are used in sectors such as automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, and military/aerospace. The company is known for its focus on energy-efficient solutions, supporting applications that require power efficiency and reliability.
Application
The LP2950CDT-5.0RKG is a low-dropout voltage regulator commonly used in various applications requiring stable voltage output. Key application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and cameras for efficient power management.
2. Industrial Equipment: Provides reliable voltage regulation in control systems and instrumentation.
3. Automotive Systems: Powers microcontrollers and sensors within vehicles.
4. Networking Devices: Ensures stable operation in routers, switches, and modems.
5. Communications Equipment: Supports consistent performance in radios and transmitters.
6. Battery-Powered Devices: Extends battery life in portable gadgets by minimizing power consumption.
These applications benefit from its low dropout voltage, thermal stability, and low quiescent current.
1. Consumer Electronics: Used in devices like smartphones, tablets, and cameras for efficient power management.
2. Industrial Equipment: Provides reliable voltage regulation in control systems and instrumentation.
3. Automotive Systems: Powers microcontrollers and sensors within vehicles.
4. Networking Devices: Ensures stable operation in routers, switches, and modems.
5. Communications Equipment: Supports consistent performance in radios and transmitters.
6. Battery-Powered Devices: Extends battery life in portable gadgets by minimizing power consumption.
These applications benefit from its low dropout voltage, thermal stability, and low quiescent current.
Package
The LP2950CDT-5.0RKG is a linear voltage regulator in a TO-252 (DPAK) package. This type of package is known for its surface-mount design, which is suitable for applications requiring efficient heat dissipation in a compact form factor. The "5.0" indicates that the output voltage is 5.0 volts.
