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) | 16V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 0.575V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 150 µA |
| Current - Supply (Max) | 4 mA |
| PSRR | 45dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The LD2985BM50R is a low-dropout (LDO) voltage regulator designed for applications requiring precise and stable output voltages. Manufactured by STMicroelectronics, it delivers a fixed output voltage of 5.0V. The device supports a maximum output current of 150 mA, making it suitable for powering low-current devices and microcontrollers.
With an ultra-low dropout voltage of typically 150 mV at full load, the LD2985BM50R ensures efficient operation and minimal power loss, which is beneficial for battery-powered devices. The regulator features low quiescent current, further enhancing its suitability for energy-efficient applications.
It offers protection features like current limiting and thermal shutdown to safeguard against overload conditions and excessive temperature, ensuring reliable performance. The device is housed in a small SOT-23 package, which is advantageous for compact and space-constrained designs.
The LD2985BM50R is widely used in consumer electronics, communication devices, and other applications requiring stable voltage regulation and efficient power management.
With an ultra-low dropout voltage of typically 150 mV at full load, the LD2985BM50R ensures efficient operation and minimal power loss, which is beneficial for battery-powered devices. The regulator features low quiescent current, further enhancing its suitability for energy-efficient applications.
It offers protection features like current limiting and thermal shutdown to safeguard against overload conditions and excessive temperature, ensuring reliable performance. The device is housed in a small SOT-23 package, which is advantageous for compact and space-constrained designs.
The LD2985BM50R is widely used in consumer electronics, communication devices, and other applications requiring stable voltage regulation and efficient power management.
Equivalent
The LD2985BM50R is a low-dropout (LDO) voltage regulator with a fixed 5V output. Equivalent products include:
1. AMS1117-5.0 by Advanced Monolithic Systems
2. LP2950-50 by Texas Instruments
3. NCP1117-5.0 by ON Semiconductor
4. MIC5205-5.0 by Microchip Technology
5. LD1117-5.0 by STMicroelectronics
These alternatives offer similar voltage regulation capabilities and pin configurations suitable for various applications. Always verify the specific electrical and thermal requirements for compatibility.
1. AMS1117-5.0 by Advanced Monolithic Systems
2. LP2950-50 by Texas Instruments
3. NCP1117-5.0 by ON Semiconductor
4. MIC5205-5.0 by Microchip Technology
5. LD1117-5.0 by STMicroelectronics
These alternatives offer similar voltage regulation capabilities and pin configurations suitable for various applications. Always verify the specific electrical and thermal requirements for compatibility.
Features
The LD2985BM50R is a low-dropout linear voltage regulator designed for efficiency and reliability. Key features include:
1. Output Voltage: The regulator provides a fixed 5.0V output voltage.
2. Dropout Voltage: It has a low dropout voltage of 300 mV at 150 mA, which enhances efficiency.
3. Output Current: Supports an output current of up to 150 mA.
4. Quiescent Current: Designed for low quiescent current, making it suitable for battery-powered applications.
5. Stability: Ensures stability with low ESR (Equivalent Series Resistance) capacitors.
6. Protection Features: Includes overcurrent and thermal protection to prevent damage.
7. Package: Available in a compact SOT-23-5 package, which is ideal for space-constrained designs.
8. Operating Temperature Range: Functions effectively over a wide temperature range, enhancing versatility for different environments.
These features make the LD2985BM50R suitable for various applications requiring regulated voltage with minimal power loss, such as portable devices, communication equipment, and consumer electronics.
1. Output Voltage: The regulator provides a fixed 5.0V output voltage.
2. Dropout Voltage: It has a low dropout voltage of 300 mV at 150 mA, which enhances efficiency.
3. Output Current: Supports an output current of up to 150 mA.
4. Quiescent Current: Designed for low quiescent current, making it suitable for battery-powered applications.
5. Stability: Ensures stability with low ESR (Equivalent Series Resistance) capacitors.
6. Protection Features: Includes overcurrent and thermal protection to prevent damage.
7. Package: Available in a compact SOT-23-5 package, which is ideal for space-constrained designs.
8. Operating Temperature Range: Functions effectively over a wide temperature range, enhancing versatility for different environments.
These features make the LD2985BM50R suitable for various applications requiring regulated voltage with minimal power loss, such as portable devices, communication equipment, and consumer electronics.
Pinout
The LD2985BM50R is a low-dropout (LDO) voltage regulator. It typically comes in a SOT-23 package with 3 pins. The pin configuration and their functions are as follows:
1. VIN (Input Voltage): This pin receives the input voltage which the device regulates down to 5.0V.
2. GND (Ground): This is the common ground pin for both the input and the output.
3. VOUT (Output Voltage): This pin delivers the regulated output voltage which is set to 5.0V.
The LD2985 series is known for its low quiescent current, stability with low ESR capacitors, and good transient response, making it suitable for battery-powered applications.
1. VIN (Input Voltage): This pin receives the input voltage which the device regulates down to 5.0V.
2. GND (Ground): This is the common ground pin for both the input and the output.
3. VOUT (Output Voltage): This pin delivers the regulated output voltage which is set to 5.0V.
The LD2985 series is known for its low quiescent current, stability with low ESR capacitors, and good transient response, making it suitable for battery-powered applications.
Manufacturer
The LD2985BM50R is manufactured by STMicroelectronics, a leading global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor solutions, including microcontrollers, sensors, power and analog devices, and more. They serve various markets such as automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in semiconductor technology and its commitment to sustainability and energy efficiency.
Application
The LD2985BM50R is a low-dropout (LDO) voltage regulator commonly used in various applications due to its efficient performance and stability. It is suitable for:
1. Consumer Electronics: Powers microcontrollers and digital circuits in devices like smartphones, tablets, and cameras.
2. Industrial Equipment: Regulates voltage for sensors and control systems.
3. Telecommunications: Provides stable power to communication devices and base stations.
4. Portable Devices: Ensures efficient power management in battery-operated gadgets.
5. Automotive: Supports electronic systems in vehicles such as infotainment and control modules.
6. Computing Devices: Stabilizes voltage for CPUs, GPUs, and other components.
Its compact size and reliability make it versatile across these sectors.
1. Consumer Electronics: Powers microcontrollers and digital circuits in devices like smartphones, tablets, and cameras.
2. Industrial Equipment: Regulates voltage for sensors and control systems.
3. Telecommunications: Provides stable power to communication devices and base stations.
4. Portable Devices: Ensures efficient power management in battery-operated gadgets.
5. Automotive: Supports electronic systems in vehicles such as infotainment and control modules.
6. Computing Devices: Stabilizes voltage for CPUs, GPUs, and other components.
Its compact size and reliability make it versatile across these sectors.
Package
The LD2985BM50R is a low-dropout (LDO) voltage regulator packaged in a SOIC-8 (Small Outline Integrated Circuit) configuration.
