仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Current-Output | 150mA |
| Current-Quiescent(Iq) | 2.05 µA |
| Current-Supply(Max) | 350 µA |
| PSRR | 80dB ~ 52dB (10Hz ~ 1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Current, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
概要
Description
The TPS70918DBVR is a voltage regulator from Texas Instruments, part of the TPS709 series. This device is a low-dropout (LDO) linear regulator designed for battery-powered and portable applications due to its ultra-low quiescent current of approximately 1 µA. It supports a fixed output voltage of 1.8V and can handle an input voltage ranging from 2.7V to 30V, making it versatile for various electronic circuits.
The TPS70918DBVR is known for its low dropout voltage, typically around 800 mV at a 150 mA load, which helps maintain efficiency in power-sensitive applications. It includes features such as internal thermal shutdown protection and current limiting to ensure reliability and prevent damage under fault conditions.
Packaged in a compact SOT-23-5 configuration, the device is suitable for space-constrained designs. Its high power supply rejection ratio (PSRR) and low noise performance make it ideal for sensitive analog circuits and RF applications. The TPS70918DBVR is favored for its ease of use and efficiency in low-power applications.
The TPS70918DBVR is known for its low dropout voltage, typically around 800 mV at a 150 mA load, which helps maintain efficiency in power-sensitive applications. It includes features such as internal thermal shutdown protection and current limiting to ensure reliability and prevent damage under fault conditions.
Packaged in a compact SOT-23-5 configuration, the device is suitable for space-constrained designs. Its high power supply rejection ratio (PSRR) and low noise performance make it ideal for sensitive analog circuits and RF applications. The TPS70918DBVR is favored for its ease of use and efficiency in low-power applications.
Equivalent
The TPS70918DBVR is a linear voltage regulator from Texas Instruments. Equivalent products include:
1. Microchip MCP1703A-1802E/DB - A low dropout regulator with a similar output voltage.
2. ON Semiconductor NCP1117-1.8V - Offers comparable performance for 1.8V regulation.
3. Analog Devices ADM7150ARDZ-1.8 - High-performance LDO with similar output voltage.
4. STMicroelectronics LD1117S18TR - Provides similar regulation characteristics.
Always verify specifications like output current, dropout voltage, and package compatibility before substituting.
1. Microchip MCP1703A-1802E/DB - A low dropout regulator with a similar output voltage.
2. ON Semiconductor NCP1117-1.8V - Offers comparable performance for 1.8V regulation.
3. Analog Devices ADM7150ARDZ-1.8 - High-performance LDO with similar output voltage.
4. STMicroelectronics LD1117S18TR - Provides similar regulation characteristics.
Always verify specifications like output current, dropout voltage, and package compatibility before substituting.
Features
The TPS70918DBVR is a fixed-output, low-dropout (LDO) linear voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: 1.8V fixed output.
2. Input Voltage Range: 2.7V to 30V, suitable for a wide range of applications.
3. Low Dropout Voltage: Ensures efficient operation and longer battery life.
4. Low Quiescent Current: Consumes minimal power, enhancing efficiency.
5. Output Current: Capable of delivering up to 150 mA.
6. Precision Output: Features high accuracy with a typical output voltage tolerance of ±2%.
7. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
8. Current Limit: Protects against overcurrent conditions.
9. Package: Available in a small SOT-23-5 package, saving space on PCBs.
10. Stability: Requires a small 1 μF ceramic output capacitor for stability.
11. Operating Temperature Range: Supports operation from -40°C to +125°C, suitable for industrial applications.
These features make the TPS70918DBVR ideal for applications requiring a stable and efficient 1.8V power supply in a compact form factor.
1. Output Voltage: 1.8V fixed output.
2. Input Voltage Range: 2.7V to 30V, suitable for a wide range of applications.
3. Low Dropout Voltage: Ensures efficient operation and longer battery life.
4. Low Quiescent Current: Consumes minimal power, enhancing efficiency.
5. Output Current: Capable of delivering up to 150 mA.
6. Precision Output: Features high accuracy with a typical output voltage tolerance of ±2%.
7. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
8. Current Limit: Protects against overcurrent conditions.
9. Package: Available in a small SOT-23-5 package, saving space on PCBs.
10. Stability: Requires a small 1 μF ceramic output capacitor for stability.
11. Operating Temperature Range: Supports operation from -40°C to +125°C, suitable for industrial applications.
These features make the TPS70918DBVR ideal for applications requiring a stable and efficient 1.8V power supply in a compact form factor.
Pinout
The TPS70918DBVR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It comes in a 5-pin SOT-23 package. Here's a brief overview of its pin count and functions:
1. Pin 1 (GND/NC): Ground pin or No Connect. It should be connected to the ground plane for better thermal performance.
2. Pin 2 (IN): Input voltage pin. It is where the unregulated input voltage is applied.
3. Pin 3 (EN): Enable pin. This pin is used to enable or disable the regulator. Driving this pin high enables the regulator, while driving it low disables it.
4. Pin 4 (NC): No Connect. This pin is not internally connected and can be left floating or connected to the ground.
5. Pin 5 (OUT): Output voltage pin. This is where the regulated output voltage is provided.
The TPS70918DBVR is designed to provide a fixed output voltage of 1.8V with low quiescent current, making it suitable for battery-powered applications.
1. Pin 1 (GND/NC): Ground pin or No Connect. It should be connected to the ground plane for better thermal performance.
2. Pin 2 (IN): Input voltage pin. It is where the unregulated input voltage is applied.
3. Pin 3 (EN): Enable pin. This pin is used to enable or disable the regulator. Driving this pin high enables the regulator, while driving it low disables it.
4. Pin 4 (NC): No Connect. This pin is not internally connected and can be left floating or connected to the ground.
5. Pin 5 (OUT): Output voltage pin. This is where the regulated output voltage is provided.
The TPS70918DBVR is designed to provide a fixed output voltage of 1.8V with low quiescent current, making it suitable for battery-powered applications.
Manufacturer
The TPS70918DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic components and integrated circuits. TI specializes in developing analog and embedded processing products, which include power management devices like the TPS70918DBVR. This component is a voltage regulator, part of TI's extensive portfolio aimed at providing efficient power solutions for various applications. As a major player in the semiconductor industry, Texas Instruments serves diverse markets, including automotive, industrial, personal electronics, and communications equipment.
Application
The TPS70918DBVR is an ultra-low-power, low-dropout (LDO) voltage regulator. Its application areas include battery-powered devices, portable electronics, wearable technology, and Internet of Things (IoT) devices. It's suitable for environments requiring minimal power consumption and high efficiency, such as medical devices, sensor networks, and remote monitoring systems. Its low quiescent current and low dropout voltage make it ideal for extending battery life in energy-sensitive applications. Additionally, it is used in applications requiring high precision and stability, like communication devices and automotive electronics.
Package
The TPS70918DBVR is packaged in a SOT-23-5 (Small Outline Transistor) configuration, which features five pins. This package is commonly used for small, surface-mount applications, suitable for compact designs with limited space.
