Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 0.58V @ 150mA |
| Current-Output | 150mA |
| Current-Quiescent(Iq) | 95 µA |
| Current-Supply(Max) | 2.5 mA |
| PSRR | 45dB (1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Tổng quan
Description
The LP2985-50DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed to provide a stable output voltage of 5.0V. It is part of the LP2985 series, known for its low power consumption and high efficiency. The device features a dropout voltage of approximately 280 mV at a 150 mA load, making it suitable for battery-powered and portable applications.
Key characteristics include:
- Output Current: Up to 150 mA
- Low Quiescent Current: Typically around 85 µA
- Input Voltage Range: 2.5V to 16V
- Thermal and Short-Circuit Protection
- Low Noise: With an optional bypass capacitor, the output noise can be reduced significantly
The LP2985-50DBVR is housed in a 5-pin SOT-23 package, making it compact and ideal for space-constrained designs. Its versatility and reliability make it popular in consumer electronics, telecommunications, and other applications requiring precise voltage regulation.
Key characteristics include:
- Output Current: Up to 150 mA
- Low Quiescent Current: Typically around 85 µA
- Input Voltage Range: 2.5V to 16V
- Thermal and Short-Circuit Protection
- Low Noise: With an optional bypass capacitor, the output noise can be reduced significantly
The LP2985-50DBVR is housed in a 5-pin SOT-23 package, making it compact and ideal for space-constrained designs. Its versatility and reliability make it popular in consumer electronics, telecommunications, and other applications requiring precise voltage regulation.
Equivalent
The LP2985-50DBVR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. Microchip MCP1703T-5002E/CB: Offers similar output voltage and current capabilities.
2. On Semiconductor NCP1117ST50T3G: A common 5V LDO regulator with similar characteristics.
3. STMicroelectronics LD1117S50TR: Also provides 5V output and current up to 800mA.
4. AMS1117-5.0: Widely used and offers comparable performance.
Always verify pin compatibility and specifications before substituting.
1. Microchip MCP1703T-5002E/CB: Offers similar output voltage and current capabilities.
2. On Semiconductor NCP1117ST50T3G: A common 5V LDO regulator with similar characteristics.
3. STMicroelectronics LD1117S50TR: Also provides 5V output and current up to 800mA.
4. AMS1117-5.0: Widely used and offers comparable performance.
Always verify pin compatibility and specifications before substituting.
Features
The LP2985-50DBVR is a fixed-output low-dropout (LDO) linear voltage regulator by Texas Instruments. It provides a stable 5V output from a higher input voltage within a range of approximately 2.1V to 16V. Key features include:
1. Low Dropout Voltage: Its dropout voltage is typically around 280 mV at a 150 mA load, enhancing efficiency in battery-powered applications.
2. Output Current: It can deliver a maximum output current of 150 mA.
3. Low Quiescent Current: The regulator is designed for low power consumption with a quiescent current of about 75 µA, which helps extend battery life.
4. High Accuracy: It provides an output voltage accuracy of ±1.5% across load, line, and temperature variations.
5. Protection Features: The device includes current limiting and thermal shutdown protection to safeguard against overload and overheating conditions.
6. Package: It is available in a compact 5-pin SOT-23 package, making it suitable for space-constrained applications.
7. Stability: The LP2985 requires a low equivalent series resistance (ESR) output capacitor for stability, allowing the use of small ceramic capacitors.
These features make the LP2985-50DBVR suitable for a variety of portable and battery-powered devices.
1. Low Dropout Voltage: Its dropout voltage is typically around 280 mV at a 150 mA load, enhancing efficiency in battery-powered applications.
2. Output Current: It can deliver a maximum output current of 150 mA.
3. Low Quiescent Current: The regulator is designed for low power consumption with a quiescent current of about 75 µA, which helps extend battery life.
4. High Accuracy: It provides an output voltage accuracy of ±1.5% across load, line, and temperature variations.
5. Protection Features: The device includes current limiting and thermal shutdown protection to safeguard against overload and overheating conditions.
6. Package: It is available in a compact 5-pin SOT-23 package, making it suitable for space-constrained applications.
7. Stability: The LP2985 requires a low equivalent series resistance (ESR) output capacitor for stability, allowing the use of small ceramic capacitors.
These features make the LP2985-50DBVR suitable for a variety of portable and battery-powered devices.
Pinout
The LP2985-50DBVR is a low-dropout (LDO) voltage regulator with a fixed output voltage of 5.0V. It typically comes in a 5-pin SOT-23 package. The pin functions are as follows:
1. VIN: This pin is the input voltage pin where the unregulated input voltage is applied.
2. GND: The ground pin is the common ground reference for the input and output voltages.
3. VOUT: This pin provides the regulated output voltage.
4. SHDN (Shutdown): This pin is used to enable or disable the regulator. Pulling it low will disable the output, while leaving it high (or floating depending on the configuration) will enable the regulator.
5. NC (No Connect): This pin is typically not connected to the internal circuitry. It may be used for mechanical stability or left floating.
The LP2985-50DBVR is designed for use in a variety of applications where a stable 5V output is required, such as battery-powered devices, portable electronics, and other low-power applications.
1. VIN: This pin is the input voltage pin where the unregulated input voltage is applied.
2. GND: The ground pin is the common ground reference for the input and output voltages.
3. VOUT: This pin provides the regulated output voltage.
4. SHDN (Shutdown): This pin is used to enable or disable the regulator. Pulling it low will disable the output, while leaving it high (or floating depending on the configuration) will enable the regulator.
5. NC (No Connect): This pin is typically not connected to the internal circuitry. It may be used for mechanical stability or left floating.
The LP2985-50DBVR is designed for use in a variety of applications where a stable 5V output is required, such as battery-powered devices, portable electronics, and other low-power applications.
Manufacturer
The LP2985-50DBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits (ICs) for analog and embedded processing applications. TI is known for its innovation in the semiconductor industry and provides solutions that are used in various electronic systems across different sectors such as automotive, industrial, consumer electronics, and communications.
Application
The LP2985-50DBVR is a low-dropout (LDO) voltage regulator, commonly used in various applications due to its efficiency and stability. Key application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and digital cameras for stable power supply.
2. Industrial Equipment: Provides precise voltage regulation in sensors and control systems.
3. Telecommunications: Powers communication devices, ensuring signal clarity.
4. Medical Devices: Used in portable medical equipment where reliable power is critical.
5. Automotive: Supports infotainment systems and sensor modules requiring stable voltage.
6. IoT Devices: Powers small, wireless devices needing efficient regulation.
Its versatility and reliability make it ideal for any application requiring precise voltage regulation.
1. Consumer Electronics: Used in smartphones, tablets, and digital cameras for stable power supply.
2. Industrial Equipment: Provides precise voltage regulation in sensors and control systems.
3. Telecommunications: Powers communication devices, ensuring signal clarity.
4. Medical Devices: Used in portable medical equipment where reliable power is critical.
5. Automotive: Supports infotainment systems and sensor modules requiring stable voltage.
6. IoT Devices: Powers small, wireless devices needing efficient regulation.
Its versatility and reliability make it ideal for any application requiring precise voltage regulation.
Package
The LP2985-50DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments, and it comes in a SOT-23-5 package.
