Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 2.8V |
| VoltageDropout(Max) | 0.25V @ 150mA |
| Current-Output | 150mA |
| Current-Quiescent(Iq) | 1.3 µA |
| Current-Supply(Max) | 8 µA |
| PSRR | 40dB ~ 15dB (10Hz ~ 1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-23-5 Thin, TSOT-23-5 |
Обзор
Description
The TPS78228DDCR is a low-dropout (LDO) linear voltage regulator from Texas Instruments, designed for low-power applications. It provides a fixed output voltage of 2.8V and can deliver a maximum output current of 150mA. The device is known for its ultra-low quiescent current, typically around 500nA, making it highly efficient and ideal for battery-powered devices.
Key features include an input voltage range of 2.2V to 5.5V, ensuring compatibility with various power sources. It also offers excellent line and load regulation, along with low dropout voltage, enhancing its efficiency. The TPS78228DDCR is equipped with thermal shutdown and current limit protection features to prevent damage from overheating or overcurrent conditions.
The device is housed in a small SOT-23 package, making it suitable for space-constrained applications. It is often used in portable electronics, wireless communication devices, and other applications where power efficiency and reliability are crucial.
Key features include an input voltage range of 2.2V to 5.5V, ensuring compatibility with various power sources. It also offers excellent line and load regulation, along with low dropout voltage, enhancing its efficiency. The TPS78228DDCR is equipped with thermal shutdown and current limit protection features to prevent damage from overheating or overcurrent conditions.
The device is housed in a small SOT-23 package, making it suitable for space-constrained applications. It is often used in portable electronics, wireless communication devices, and other applications where power efficiency and reliability are crucial.
Equivalent
The TPS78228DDCR is a low-dropout (LDO) linear voltage regulator by Texas Instruments. Equivalent products with similar specifications (28V, 150mA) could include:
1. Microchip MCP1702-2802E/DC: Offers similar output voltage and current capabilities.
2. ON Semiconductor NCP70228: Provides comparable features in terms of output voltage and load current.
3. Analog Devices ADP150: While not identical, it offers a similar performance in low dropout regulation.
Always check specific electrical characteristics and pin compatibility when selecting alternatives.
1. Microchip MCP1702-2802E/DC: Offers similar output voltage and current capabilities.
2. ON Semiconductor NCP70228: Provides comparable features in terms of output voltage and load current.
3. Analog Devices ADP150: While not identical, it offers a similar performance in low dropout regulation.
Always check specific electrical characteristics and pin compatibility when selecting alternatives.
Features
The TPS78228DDCR is a low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Low Dropout Voltage: It offers a dropout voltage typically around 150 mV at 150 mA, making it efficient for battery-operated applications.
2. Output Voltage: The device provides a fixed output voltage of 2.8V.
3. Output Current: Capable of delivering up to 150 mA of output current.
4. Low Quiescent Current: With a quiescent current of approximately 500 nA, it’s ideal for battery-powered applications requiring long battery life.
5. Input Voltage Range: Supports an input voltage range from 2.2V to 5.5V.
6. Thermal and Overcurrent Protection: Includes built-in protection for overcurrent and overheating conditions.
7. Enable Pin: Features an enable pin for easy ON/OFF control.
8. Stability: Designed for stability with low-value ceramic capacitors.
9. Package: Available in a small, 5-pin SOT-23 package, facilitating its use in space-constrained designs.
These features make the TPS78228DDCR suitable for a variety of applications, especially those requiring energy efficiency and compact design.
1. Low Dropout Voltage: It offers a dropout voltage typically around 150 mV at 150 mA, making it efficient for battery-operated applications.
2. Output Voltage: The device provides a fixed output voltage of 2.8V.
3. Output Current: Capable of delivering up to 150 mA of output current.
4. Low Quiescent Current: With a quiescent current of approximately 500 nA, it’s ideal for battery-powered applications requiring long battery life.
5. Input Voltage Range: Supports an input voltage range from 2.2V to 5.5V.
6. Thermal and Overcurrent Protection: Includes built-in protection for overcurrent and overheating conditions.
7. Enable Pin: Features an enable pin for easy ON/OFF control.
8. Stability: Designed for stability with low-value ceramic capacitors.
9. Package: Available in a small, 5-pin SOT-23 package, facilitating its use in space-constrained designs.
These features make the TPS78228DDCR suitable for a variety of applications, especially those requiring energy efficiency and compact design.
Pinout
The TPS78228DDCR is a low-dropout (LDO) voltage regulator from Texas Instruments. It typically comes in a 5-pin SOT-23 package. The specific pin functions are as follows:
1. IN: Input voltage pin where the supply voltage is applied.
2. GND: Ground connection, serving as the reference point for the regulator.
3. EN: Enable pin, which is used to turn the regulator on or off. Pulling this pin high enables the regulator, while pulling it low disables it.
4. OUT: Output voltage pin, where the regulated voltage is provided.
5. NC: No connection, usually left unconnected or used for mechanical support.
The TPS78228 provides a fixed output voltage of 2.8V and is known for its low quiescent current, making it suitable for battery-powered applications.
1. IN: Input voltage pin where the supply voltage is applied.
2. GND: Ground connection, serving as the reference point for the regulator.
3. EN: Enable pin, which is used to turn the regulator on or off. Pulling this pin high enables the regulator, while pulling it low disables it.
4. OUT: Output voltage pin, where the regulated voltage is provided.
5. NC: No connection, usually left unconnected or used for mechanical support.
The TPS78228 provides a fixed output voltage of 2.8V and is known for its low quiescent current, making it suitable for battery-powered applications.
Manufacturer
The TPS78228DDCR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is known for its innovation in analog and embedded processing technologies, serving various industries including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and is recognized for its contributions to technology advancement, particularly in the field of semiconductors.
Application
The TPS78228DDCR is a low-dropout (LDO) voltage regulator designed for applications that require efficient power management. Its application areas include portable and battery-powered devices, such as mobile phones, tablets, and wearables, due to its low quiescent current and power-saving features. It is also suitable for sensor networks, IoT devices, and any systems requiring a stable and reliable voltage supply. The device's small form factor is ideal for space-constrained applications like medical instruments and compact electronics. Additionally, its wide input voltage range and low noise characteristics make it suitable for RF modules and communication devices.
Package
The TPS78228DDCR is packaged in a SOT-23-5 configuration. This small-outline transistor package is commonly used for surface-mount technology, offering a compact design suitable for applications requiring space efficiency.
