規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 10V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.1V @ 50mA |
| Current-Output | 50mA |
| Current-Quiescent(Iq) | 28 µA |
| PSRR | 60dB (1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
概述
Description
The TPS77033DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for efficiency and reliability in powering low-voltage digital systems. This particular model offers a fixed output voltage of 3.3V. It is known for its ultra-low quiescent current, typically around 92 µA, making it ideal for battery-powered applications where power conservation is crucial. The device can supply a maximum output current of 100 mA.
The TPS77033DBVR operates with a wide input voltage range, typically from 2.7V to 10V, allowing it to be used in various applications. It features an enable pin for on/off control, adding to its power-saving capabilities. Additionally, the regulator provides excellent line and load transient response, ensuring stable output under varying conditions.
The package type, DBVR, refers to a small SOT-23-5 footprint, which is suitable for compact designs. As part of Texas Instruments' TPS77 family, the TPS77033DBVR is engineered for low noise, with integrated protection features such as thermal shutdown and current limit, ensuring reliable performance in various electronic applications.
The TPS77033DBVR operates with a wide input voltage range, typically from 2.7V to 10V, allowing it to be used in various applications. It features an enable pin for on/off control, adding to its power-saving capabilities. Additionally, the regulator provides excellent line and load transient response, ensuring stable output under varying conditions.
The package type, DBVR, refers to a small SOT-23-5 footprint, which is suitable for compact designs. As part of Texas Instruments' TPS77 family, the TPS77033DBVR is engineered for low noise, with integrated protection features such as thermal shutdown and current limit, ensuring reliable performance in various electronic applications.
Equivalent
The TPS77033DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products with similar specifications may include:
1. Microchip MCP1703A-3302E/MB
2. ON Semiconductor NCP1117ST33T3G
3. AMS1117-3.3 from Advanced Monolithic Systems
4. LD1117-3.3 from STMicroelectronics
These equivalents may have slight variations in parameters such as current output, dropout voltage, or package type, so always verify specific requirements before substituting.
1. Microchip MCP1703A-3302E/MB
2. ON Semiconductor NCP1117ST33T3G
3. AMS1117-3.3 from Advanced Monolithic Systems
4. LD1117-3.3 from STMicroelectronics
These equivalents may have slight variations in parameters such as current output, dropout voltage, or package type, so always verify specific requirements before substituting.
Features
The TPS77033DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: Fixed output voltage of 3.3V.
2. Input Voltage Range: 2.7V to 10V, suitable for a variety of power sources.
3. Low Dropout Voltage: Typically 49mV at 100mA load, enhancing efficiency.
4. Output Current: Can deliver up to 100mA of output current.
5. Ultra-Low Power: Quiescent current is typically 92µA, optimizing for battery-powered applications.
6. Fast Transient Response: Capable of responding quickly to input voltage changes, maintaining stable output.
7. Precision: High accuracy with a typical output voltage tolerance of ±2%.
8. Thermal and Overcurrent Protection: Includes safety features to protect the device and load.
9. Package: Offered in a compact SOT-23 package, saving space on the PCB.
These features make the TPS77033DBVR suitable for applications needing efficient power regulation with minimal power loss and reliable performance, such as handheld devices and other portable electronics.
1. Output Voltage: Fixed output voltage of 3.3V.
2. Input Voltage Range: 2.7V to 10V, suitable for a variety of power sources.
3. Low Dropout Voltage: Typically 49mV at 100mA load, enhancing efficiency.
4. Output Current: Can deliver up to 100mA of output current.
5. Ultra-Low Power: Quiescent current is typically 92µA, optimizing for battery-powered applications.
6. Fast Transient Response: Capable of responding quickly to input voltage changes, maintaining stable output.
7. Precision: High accuracy with a typical output voltage tolerance of ±2%.
8. Thermal and Overcurrent Protection: Includes safety features to protect the device and load.
9. Package: Offered in a compact SOT-23 package, saving space on the PCB.
These features make the TPS77033DBVR suitable for applications needing efficient power regulation with minimal power loss and reliable performance, such as handheld devices and other portable electronics.
Pinout
The TPS77033DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 5-pin SOT-23 package. The primary function of this device is to provide a fixed 3.3V output with a maximum output current of 50 mA, making it suitable for battery-powered applications due to its low quiescent current.
Here is a brief description of each pin:
1. IN: This is the input pin where the unregulated input voltage is supplied.
2. GND: Ground pin for the LDO.
3. OUT: This is the regulated output pin that provides the 3.3V output voltage.
4. NR/FB: Noise reduction or feedback pin. Connecting a capacitor here can reduce output noise; it can also be used for feedback in adjustable versions.
5. EN: Enable pin used to turn the regulator on or off. When pulled high, the regulator is enabled; pulling it low disables the output.
These features make the TPS77033DBVR ideal for low-power and portable applications.
Here is a brief description of each pin:
1. IN: This is the input pin where the unregulated input voltage is supplied.
2. GND: Ground pin for the LDO.
3. OUT: This is the regulated output pin that provides the 3.3V output voltage.
4. NR/FB: Noise reduction or feedback pin. Connecting a capacitor here can reduce output noise; it can also be used for feedback in adjustable versions.
5. EN: Enable pin used to turn the regulator on or off. When pulled high, the regulator is enabled; pulling it low disables the output.
These features make the TPS77033DBVR ideal for low-power and portable applications.
Manufacturer
The TPS77033DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits, processors, and analog devices. Headquartered in Dallas, Texas, TI is known for its innovation in sectors such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company has a strong focus on research and development, enabling it to create advanced technology solutions that meet the evolving needs of various industries.
Application
The TPS77033DBVR is a low-dropout (LDO) voltage regulator designed for a variety of applications where space is limited and power efficiency is critical. Key application areas include:
1. Portable and battery-powered devices: Provides efficient power management.
2. Consumer electronics: Used in smartphones, tablets, and wearable devices.
3. Industrial and automotive systems: Supports sensors and microcontrollers with stable voltage supply.
4. Medical devices: Ensures reliable performance in portable diagnostic tools.
5. Communication equipment: Powers circuits in routers and modems for stable operation.
Its features like low-noise output, low quiescent current, and fast transient response make it suitable for sensitive electronic applications.
1. Portable and battery-powered devices: Provides efficient power management.
2. Consumer electronics: Used in smartphones, tablets, and wearable devices.
3. Industrial and automotive systems: Supports sensors and microcontrollers with stable voltage supply.
4. Medical devices: Ensures reliable performance in portable diagnostic tools.
5. Communication equipment: Powers circuits in routers and modems for stable operation.
Its features like low-noise output, low quiescent current, and fast transient response make it suitable for sensitive electronic applications.
Package
The TPS77033DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It comes in a DBV package, which is a 5-pin SOT-23 (Small Outline Transistor) package. This compact package is commonly used for surface mounting on printed circuit boards (PCBs).
