Texas Instruments

TPS709B50DBVT  

Linear & Switching Voltage Regulators

TPS709B50DBVT Description

The TPS709B50DBVT is a high-performance linear voltage regulator designed by Texas Instruments. This device is part of the TPS709 family and is specifically tailored for applications requiring a fixed 5V output voltage with a maximum output current of 150mA. The regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. It features a maximum input voltage of 30V and a dropout voltage of 1.2V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials.

TPS709B50DBVT Features

The TPS709B50DBVT offers several key features that enhance its performance and reliability:

• Fixed Output Voltage: The regulator provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 30V, the regulator can handle a wide range of input voltages, providing flexibility in power source selection.
• Low Dropout Voltage: A maximum dropout voltage of 1.2V at 150mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 2.05 µA, minimizing power consumption in standby mode.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 80dB to 52dB across a frequency range of 10Hz to 1kHz, ensuring minimal noise and ripple on the output voltage.
• Protection Features: The device includes over-current protection, over-temperature protection, reverse current protection, and under-voltage lockout (UVLO), safeguarding both the regulator and the connected circuitry.
• Enable Control: The regulator features an enable pin, allowing for precise control over the power supply, which is particularly useful in power sequencing and power management applications.
• Compliance and Reliability: The TPS709B50DBVT is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for various manufacturing processes.

TPS709B50DBVT Applications

The TPS709B50DBVT is well-suited for a variety of applications due to its robust performance and compact size:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Suitable for industrial applications requiring a stable 5V supply, such as PLCs, automation controllers, and instrumentation.
• Telecommunications: Can be used in telecom equipment for powering low-power components and maintaining reliable operation.
• Automotive: The regulator's wide input voltage range and protection features make it suitable for automotive applications, where voltage fluctuations are common.
• Medical Devices: The low dropout voltage and high PSRR ensure minimal noise and reliable operation, making it ideal for medical devices that require precise power management.

Conclusion of TPS709B50DBVT

The TPS709B50DBVT from Texas Instruments is a versatile and reliable linear voltage regulator that offers a combination of high performance, low power consumption, and robust protection features. Its fixed 5V output and low dropout voltage make it an excellent choice for a wide range of applications, from consumer electronics to industrial and automotive systems. The compact SOT23-5 package and surface-mount technology ensure ease of integration into modern designs. The TPS709B50DBVT stands out in its category due to its high PSRR, low quiescent current, and comprehensive protection features, making it a preferred choice for engineers seeking a reliable and efficient power solution.

TPS709B50DBVT Documents

Download datasheets and manufacturer documentation for TPS709B50DBVT

PCN Assembly/Origin :

Assembly 28/Mar/2023      

Datasheets :

TPS709 Datasheet      

Design Resources :

Polyphase Shunt Metrology with Isolated AFE Reference Design      

HTML Datasheet :

TPS709 Datasheet