Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
Обзор
Description
The TPS79930DDCR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Designed for precision regulation, it features low quiescent current and high power supply rejection ratio (PSRR). This makes it particularly suitable for battery-powered devices and applications where noise-sensitive components are used. The device offers a fixed output voltage of 3.0V and can deliver up to 200mA of output current.
Key characteristics include its ultra-low noise performance, with a noise level as low as 28µVRMS, and its low dropout voltage of approximately 100mV at full load, which enhances efficiency. The TPS79930DDCR also incorporates thermal shutdown and current limit protection to ensure reliability and safeguard against damage during fault conditions.
The device comes in a small, 5-pin SOT-23 package, making it easy to integrate into compact designs. Additionally, its stability with low equivalent series resistance (ESR) capacitors allows for use with a wide range of capacitors, adding to its design flexibility. Overall, the TPS79930DDCR is ideal for applications requiring low noise and high PSRR in a compact form.
Key characteristics include its ultra-low noise performance, with a noise level as low as 28µVRMS, and its low dropout voltage of approximately 100mV at full load, which enhances efficiency. The TPS79930DDCR also incorporates thermal shutdown and current limit protection to ensure reliability and safeguard against damage during fault conditions.
The device comes in a small, 5-pin SOT-23 package, making it easy to integrate into compact designs. Additionally, its stability with low equivalent series resistance (ESR) capacitors allows for use with a wide range of capacitors, adding to its design flexibility. Overall, the TPS79930DDCR is ideal for applications requiring low noise and high PSRR in a compact form.
Equivalent
The TPS79930DDCR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products can include:
1. Microchip MCP1703: A low dropout regulator with similar voltage and current specifications.
2. Linear Technology LT1763: Offers low noise and low dropout.
3. ON Semiconductor NCP1117: A popular choice for similar applications.
4. Analog Devices ADP150: Known for low noise and high accuracy.
Ensure each alternative meets your specific requirements for voltage, current, and other features.
1. Microchip MCP1703: A low dropout regulator with similar voltage and current specifications.
2. Linear Technology LT1763: Offers low noise and low dropout.
3. ON Semiconductor NCP1117: A popular choice for similar applications.
4. Analog Devices ADP150: Known for low noise and high accuracy.
Ensure each alternative meets your specific requirements for voltage, current, and other features.
Features
The TPS79930DDCR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.0V.
2. Input Voltage Range: Operates with input voltages from 2.7V to 6.5V.
3. Output Current: Capable of supplying up to 200 mA of output current.
4. Low Dropout Voltage: Features a typical dropout voltage of 100 mV at 200 mA.
5. Low Noise: Exhibits low output noise, suitable for noise-sensitive applications.
6. Fast Start-Up Time: Offers a quick start-up time of approximately 50 µs.
7. Thermal Protection: Includes thermal shutdown for protection against overheating.
8. Current Limiting: Provides current limiting for protection against overcurrent conditions.
9. Package: Available in a small SOT-23-5 package, beneficial for space-constrained designs.
10. Temperature Range: Operates over a temperature range of -40°C to 125°C.
These features make the TPS79930DDCR suitable for portable and battery-powered applications requiring high performance and low power consumption.
1. Output Voltage: It provides a fixed output voltage of 3.0V.
2. Input Voltage Range: Operates with input voltages from 2.7V to 6.5V.
3. Output Current: Capable of supplying up to 200 mA of output current.
4. Low Dropout Voltage: Features a typical dropout voltage of 100 mV at 200 mA.
5. Low Noise: Exhibits low output noise, suitable for noise-sensitive applications.
6. Fast Start-Up Time: Offers a quick start-up time of approximately 50 µs.
7. Thermal Protection: Includes thermal shutdown for protection against overheating.
8. Current Limiting: Provides current limiting for protection against overcurrent conditions.
9. Package: Available in a small SOT-23-5 package, beneficial for space-constrained designs.
10. Temperature Range: Operates over a temperature range of -40°C to 125°C.
These features make the TPS79930DDCR suitable for portable and battery-powered applications requiring high performance and low power consumption.
Pinout
The TPS79930DDCR is a linear regulator from Texas Instruments, part of the TPS799 series. It is available in a 5-pin SOT-23 package. The main function of this device is to provide a low-dropout (LDO) voltage regulation, offering a stable 3.0 V output from a higher voltage input. The key pins are:
1. VIN: Input voltage pin where the supply voltage is connected.
2. GND: Ground pin, which is the return path for the input and output currents.
3. VOUT: Output voltage pin that provides the regulated 3.0 V.
4. EN: Enable pin used to turn the regulator on or off. A high level on this pin enables the device.
5. NC or FB (depending on variant): No Connect or Feedback pin, respectively.
The device is designed for low-noise applications and features low quiescent current, making it suitable for battery-powered devices. It offers excellent line and load transient performance, providing stable operation even with varying loads and inputs.
1. VIN: Input voltage pin where the supply voltage is connected.
2. GND: Ground pin, which is the return path for the input and output currents.
3. VOUT: Output voltage pin that provides the regulated 3.0 V.
4. EN: Enable pin used to turn the regulator on or off. A high level on this pin enables the device.
5. NC or FB (depending on variant): No Connect or Feedback pin, respectively.
The device is designed for low-noise applications and features low quiescent current, making it suitable for battery-powered devices. It offers excellent line and load transient performance, providing stable operation even with varying loads and inputs.
Manufacturer
The TPS79930DDCR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments is renowned for designing and producing a wide variety of semiconductor devices, including analog chips and embedded processors, which are integral to modern electronic systems. The company serves various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.
Application
The TPS79930DDCR is a low-dropout (LDO) voltage regulator primarily used in applications requiring tight voltage regulation and low noise. Its key application areas include:
1. Portable Devices: Suitable for battery-powered devices due to low quiescent current.
2. RF and Analog Systems: Ideal for noise-sensitive applications such as RF modules and analog circuits.
3. Industrial Equipment: Used in systems requiring precise voltage control under varying load conditions.
4. Medical Devices: Employed in devices needing high reliability and low noise performance.
5. Telecommunications: Supports stable power supply in communication equipment.
These characteristics make it valuable in any application where energy efficiency and output stability are critical.
1. Portable Devices: Suitable for battery-powered devices due to low quiescent current.
2. RF and Analog Systems: Ideal for noise-sensitive applications such as RF modules and analog circuits.
3. Industrial Equipment: Used in systems requiring precise voltage control under varying load conditions.
4. Medical Devices: Employed in devices needing high reliability and low noise performance.
5. Telecommunications: Supports stable power supply in communication equipment.
These characteristics make it valuable in any application where energy efficiency and output stability are critical.
Package
The TPS79930DDCR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a small SOT-23-5 package type, which is a surface-mount technology (SMT) package with five leads. This package is designed for compact applications where board space is limited.
