사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 0.45V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 120 µA |
| Current-Supply(Max) | 12 mA |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
개요
Description
The LP2950CDT-5.0G is a low-dropout (LDO) voltage regulator designed to provide a stable 5.0V output. It is part of the LP2950 series, known for its low quiescent current and high efficiency, making it ideal for battery-powered applications. This regulator features a low dropout voltage, typically around 0.5V at 100mA load current, which allows it to maintain regulation even with a minimal difference between input and output voltages.
Key features include short-circuit protection, thermal overload protection, and a precision output voltage with a tolerance of typically ±0.5%. The device is available in a TO-252-3 package, which is suitable for applications requiring moderate power dissipation.
The LP2950CDT-5.0G is widely used in portable devices, microcontroller power supplies, and other precision voltage applications where power efficiency and reliability are crucial. Its ease of use and robust protection features make it a favored choice for engineers designing power management circuits.
Key features include short-circuit protection, thermal overload protection, and a precision output voltage with a tolerance of typically ±0.5%. The device is available in a TO-252-3 package, which is suitable for applications requiring moderate power dissipation.
The LP2950CDT-5.0G is widely used in portable devices, microcontroller power supplies, and other precision voltage applications where power efficiency and reliability are crucial. Its ease of use and robust protection features make it a favored choice for engineers designing power management circuits.
Equivalent
The LP2950CDT-5.0G is a low-dropout voltage regulator. Equivalent products include:
1. LM7805 by Texas Instruments and other manufacturers.
2. LD1117-5.0 by STMicroelectronics.
3. MIC5205-5.0 by Microchip Technology.
4. NCP1117-5.0 by ON Semiconductor.
5. KA7805 by Fairchild Semiconductor.
These alternatives offer similar voltage regulation and output characteristics, although specific features and performance may vary slightly. Always verify compatibility with your application requirements before substitution.
1. LM7805 by Texas Instruments and other manufacturers.
2. LD1117-5.0 by STMicroelectronics.
3. MIC5205-5.0 by Microchip Technology.
4. NCP1117-5.0 by ON Semiconductor.
5. KA7805 by Fairchild Semiconductor.
These alternatives offer similar voltage regulation and output characteristics, although specific features and performance may vary slightly. Always verify compatibility with your application requirements before substitution.
Features
The LP2950CDT-5.0G is a low dropout (LDO) voltage regulator designed for applications requiring a stable 5.0V output. Key features include:
1. Low Dropout Voltage: Typically 50mV at light loads and 380mV at 100mA, making it efficient for battery-powered devices.
2. Output Current: Capable of providing up to 100mA of output current.
3. High Accuracy: Output voltage accuracy is typically within ±0.5% to ±1% over temperature, load, and line variations.
4. Low Quiescent Current: Consumes minimal power with a typical quiescent current of 75µA, enhancing battery life.
5. Thermal and Short-Circuit Protection: Built-in features protect the device from overheating and excessive current.
6. Reverse Polarity Protection: Ensures safety against reverse connection of input voltage.
7. Temperature Range: Operates efficiently in a wide temperature range from -40°C to +125°C.
8. Package Type: Available in various packages, including TO-252 (DPAK), which is compact and easy to integrate into designs.
These features make the LP2950CDT-5.0G suitable for use in microcontroller, battery-powered, and sensitive analog circuitry applications.
1. Low Dropout Voltage: Typically 50mV at light loads and 380mV at 100mA, making it efficient for battery-powered devices.
2. Output Current: Capable of providing up to 100mA of output current.
3. High Accuracy: Output voltage accuracy is typically within ±0.5% to ±1% over temperature, load, and line variations.
4. Low Quiescent Current: Consumes minimal power with a typical quiescent current of 75µA, enhancing battery life.
5. Thermal and Short-Circuit Protection: Built-in features protect the device from overheating and excessive current.
6. Reverse Polarity Protection: Ensures safety against reverse connection of input voltage.
7. Temperature Range: Operates efficiently in a wide temperature range from -40°C to +125°C.
8. Package Type: Available in various packages, including TO-252 (DPAK), which is compact and easy to integrate into designs.
These features make the LP2950CDT-5.0G suitable for use in microcontroller, battery-powered, and sensitive analog circuitry applications.
Pinout
The LP2950CDT-5.0G is a low-dropout (LDO) voltage regulator with three pins. Here are the pin functions:
1. Pin 1 (Input): This pin is connected to the unregulated input voltage. It accepts a voltage that is higher than the desired output voltage and within the specified input range for the device.
2. Pin 2 (Ground): This pin serves as the ground or reference for the internal circuitry and the output voltage. It should be connected to the common ground of the circuit.
3. Pin 3 (Output): This pin provides the regulated output voltage, in this case, 5.0 volts. The output is maintained at a stable voltage level despite variations in the input voltage and load conditions, as long as these remain within the device’s specified limits.
The LP2950CDT-5.0G is designed for applications requiring a stable 5.0V output with low dropout voltage, making it suitable for battery-powered devices and other applications requiring efficient regulation.
1. Pin 1 (Input): This pin is connected to the unregulated input voltage. It accepts a voltage that is higher than the desired output voltage and within the specified input range for the device.
2. Pin 2 (Ground): This pin serves as the ground or reference for the internal circuitry and the output voltage. It should be connected to the common ground of the circuit.
3. Pin 3 (Output): This pin provides the regulated output voltage, in this case, 5.0 volts. The output is maintained at a stable voltage level despite variations in the input voltage and load conditions, as long as these remain within the device’s specified limits.
The LP2950CDT-5.0G is designed for applications requiring a stable 5.0V output with low dropout voltage, making it suitable for battery-powered devices and other applications requiring efficient regulation.
Manufacturer
The LP2950CDT-5.0G is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a company specializing in semiconductor manufacturing. They design and produce a wide range of semiconductor components, including analog, discrete, and embedded solutions. The company's products are used in various applications such as automotive, industrial, communications, computing, consumer electronics, and medical. Onsemi focuses on energy-efficient innovations and is a prominent player in the global semiconductor market.
Application
The LP2950CDT-5.0G is a low-dropout voltage regulator ideal for various applications requiring stable voltage regulation. Its main application areas include:
1. Consumer Electronics: Power regulation in devices like smartphones, tablets, and cameras.
2. Industrial Automation: Used in control systems for consistent voltage supply.
3. Computing Systems: Provides regulated power for microcontrollers and processors in PCs and embedded systems.
4. Networking Equipment: Ensures stable operation of routers and switches.
5. Telecommunications: Powers modules in communication devices.
6. Battery-Powered Devices: Efficient in extending battery life by maintaining low dropout voltage.
These applications benefit from its low quiescent current and precise output regulation.
1. Consumer Electronics: Power regulation in devices like smartphones, tablets, and cameras.
2. Industrial Automation: Used in control systems for consistent voltage supply.
3. Computing Systems: Provides regulated power for microcontrollers and processors in PCs and embedded systems.
4. Networking Equipment: Ensures stable operation of routers and switches.
5. Telecommunications: Powers modules in communication devices.
6. Battery-Powered Devices: Efficient in extending battery life by maintaining low dropout voltage.
These applications benefit from its low quiescent current and precise output regulation.
Package
The LP2950CDT-5.0G is a low-dropout voltage regulator from ON Semiconductor. It comes in a DPAK (TO-252) surface-mount package, which is designed for compact and efficient thermal management in electronic circuits.
