사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 6.5V |
| Voltage-Output(Min/Fixed) | 3V |
| VoltageDropout(Max) | 0.18V @ 200mA |
| Current-Output | 200mA |
| Current-Quiescent(Iq) | 60 µA |
| PSRR | 70dB ~ 38dB (100Hz ~ 100kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-23-5 Thin, TSOT-23-5 |
개요
Description
The TPS79930DDCT is a low-dropout (LDO) voltage regulator from Texas Instruments. It is part of the TPS799 series, designed for applications requiring high-performance, low-noise, and low-power voltage regulation. The "30" in its name typically denotes an output voltage of 3.0 volts, though these regulators are available with other fixed output voltages as well.
Key features include:
1. Low Dropout Voltage: It offers a very low dropout voltage, which makes it efficient for battery-powered devices.
2. Low Noise: The regulator provides a low-noise operation, making it suitable for sensitive analog circuits.
3. Fast Startup: It has a fast start-up time, beneficial for applications where quick power-up is required.
4. Low Quiescent Current: Consumes minimal current during operation, enhancing battery life in portable devices.
5. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
6. Current Limiting: Offers current limiting to protect against overcurrent conditions.
Typical applications include portable electronics, communication devices, and any system requiring efficient low-voltage power regulation with minimal noise.
Key features include:
1. Low Dropout Voltage: It offers a very low dropout voltage, which makes it efficient for battery-powered devices.
2. Low Noise: The regulator provides a low-noise operation, making it suitable for sensitive analog circuits.
3. Fast Startup: It has a fast start-up time, beneficial for applications where quick power-up is required.
4. Low Quiescent Current: Consumes minimal current during operation, enhancing battery life in portable devices.
5. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
6. Current Limiting: Offers current limiting to protect against overcurrent conditions.
Typical applications include portable electronics, communication devices, and any system requiring efficient low-voltage power regulation with minimal noise.
Equivalent
The TPS79930DDCT is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products with similar specifications might include:
1. Microchip MCP1700 series
2. ON Semiconductor NCP1117 series
3. Analog Devices ADP3330 series
4. Linear Technology LT1763 series
When selecting an equivalent, ensure that the input/output voltage, current rating, dropout voltage, quiescent current, and package type match your specific requirements. Always consult the datasheets for precise compatibility.
1. Microchip MCP1700 series
2. ON Semiconductor NCP1117 series
3. Analog Devices ADP3330 series
4. Linear Technology LT1763 series
When selecting an equivalent, ensure that the input/output voltage, current rating, dropout voltage, quiescent current, and package type match your specific requirements. Always consult the datasheets for precise compatibility.
Features
The TPS79930DDCT is a low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: Fixed 3.0V output voltage.
2. Input Voltage Range: Operates with an input voltage range from 2.7V to 6.5V.
3. Output Current: Supports up to 200 mA of output current.
4. Low Dropout Voltage: Typically around 100 mV at full load (200 mA).
5. Quiescent Current: Ultra-low quiescent current of approximately 40 µA.
6. High PSRR: Excellent power supply rejection ratio, typically 68 dB at 1 kHz.
7. Fast Start-Up Time: Approximately 150 µs.
8. Low Noise: Features very low noise output, approximately 30 µVrms, making it suitable for noise-sensitive applications.
9. Thermal Protection: Includes over-temperature protection for enhanced reliability.
10. Package: Available in a 5-pin SOT-23 package.
These features make the TPS79930DDCT ideal for portable and battery-powered applications, where efficiency and low noise are critical.
1. Output Voltage: Fixed 3.0V output voltage.
2. Input Voltage Range: Operates with an input voltage range from 2.7V to 6.5V.
3. Output Current: Supports up to 200 mA of output current.
4. Low Dropout Voltage: Typically around 100 mV at full load (200 mA).
5. Quiescent Current: Ultra-low quiescent current of approximately 40 µA.
6. High PSRR: Excellent power supply rejection ratio, typically 68 dB at 1 kHz.
7. Fast Start-Up Time: Approximately 150 µs.
8. Low Noise: Features very low noise output, approximately 30 µVrms, making it suitable for noise-sensitive applications.
9. Thermal Protection: Includes over-temperature protection for enhanced reliability.
10. Package: Available in a 5-pin SOT-23 package.
These features make the TPS79930DDCT ideal for portable and battery-powered applications, where efficiency and low noise are critical.
Pinout
The TPS79930DDCT is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 5-pin SOT-23 package. The pin functions for this device are typically as follows:
1. IN: Input voltage supply. This is where the unregulated supply voltage is connected.
2. GND: Ground connection. This is the common ground for the input and output voltages.
3. EN: Enable pin. This pin turns the regulator on or off. A high signal enables the regulator, while a low signal disables it.
4. NR/FB: Noise Reduction/Feedback pin. This pin is used for noise reduction and can be connected to a capacitor to reduce output noise. In adjustable versions, it serves as a feedback pin.
5. OUT: Regulated output voltage. This is where the regulated voltage is outputted, set at 3.0V for this specific variant (TPS79930).
Note: Always refer to the official datasheet for detailed specifications and applications.
1. IN: Input voltage supply. This is where the unregulated supply voltage is connected.
2. GND: Ground connection. This is the common ground for the input and output voltages.
3. EN: Enable pin. This pin turns the regulator on or off. A high signal enables the regulator, while a low signal disables it.
4. NR/FB: Noise Reduction/Feedback pin. This pin is used for noise reduction and can be connected to a capacitor to reduce output noise. In adjustable versions, it serves as a feedback pin.
5. OUT: Regulated output voltage. This is where the regulated voltage is outputted, set at 3.0V for this specific variant (TPS79930).
Note: Always refer to the official datasheet for detailed specifications and applications.
Manufacturer
The TPS79930DDCT is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and solutions. They are known for their development of analog chips and integrated circuits (ICs) used across various industries, including automotive, industrial, consumer electronics, and telecommunications. TI focuses on innovation and efficiency in designing products that help engineers build and enhance technologies that improve daily life.
Application
The TPS79930DDCT is a low-dropout (LDO) voltage regulator commonly used in applications requiring precise voltage regulation and low noise. Its application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and wearable devices for efficient power management.
2. Industrial Systems: Provides stable power supply in automation and control systems.
3. Medical Devices: Ensures reliable operation in sensitive medical equipment.
4. Communication Equipment: Supports stable voltage in networking and communication devices.
5. Automotive Electronics: Powers various electronic control units (ECUs) in vehicles.
6. Instrumentation: Used in precision measurement equipment for consistent performance.
These applications benefit from its high PSRR, low noise, and low dropout voltage characteristics.
1. Consumer Electronics: Used in smartphones, tablets, and wearable devices for efficient power management.
2. Industrial Systems: Provides stable power supply in automation and control systems.
3. Medical Devices: Ensures reliable operation in sensitive medical equipment.
4. Communication Equipment: Supports stable voltage in networking and communication devices.
5. Automotive Electronics: Powers various electronic control units (ECUs) in vehicles.
6. Instrumentation: Used in precision measurement equipment for consistent performance.
These applications benefit from its high PSRR, low noise, and low dropout voltage characteristics.
Package
The TPS79930DDCT is a low-dropout linear regulator from Texas Instruments. It comes in a 6-pin SOT-23 (DDC) package, which is a small-outline transistor package offering compact size and surface-mount technology suitable for space-constrained applications.
