Texas Instruments

TPS70939DBVR  

Linear & Switching Voltage Regulators

TPS70939DBVR Description

The TPS70939DBVR is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 3.9V and capable of delivering up to 150mA of output current. This device is housed in a compact SOT23-5 package, making it ideal for surface-mount applications where space is a premium. The regulator is designed to operate with an input voltage range up to 30V, ensuring compatibility with a wide array of power sources. Its low dropout voltage of 1.4V at 150mA ensures efficient operation even at low input-to-output voltage differentials.

TPS70939DBVR Features

• Output Type: Fixed at 3.9V, providing a stable and reliable power supply for sensitive electronics.
• Input Voltage Range: Capable of handling input voltages up to 30V, making it versatile for various power supply configurations.
• Output Current: Delivers up to 150mA, suitable for powering a range of low to medium current applications.
• Low Dropout Voltage: At 1.4V, it ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: With a quiescent current of only 2.05 µA, it minimizes power consumption in standby or low-power modes.
• High PSRR: The power supply rejection ratio ranges from 80dB to 52dB across frequencies from 10Hz to 1kHz, ensuring minimal noise and ripple in the output voltage.
• Protection Features: Includes over-current, over-temperature, reverse current, and under-voltage lockout (UVLO) protections, enhancing reliability and longevity.
• Enable Control: Features an enable pin for easy control and power management.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.

TPS70939DBVR Applications

The TPS70939DBVR is well-suited for a variety of applications requiring a stable and efficient power supply. Its compact size and robust features make it ideal for:

• Consumer Electronics: Portable devices, wearables, and IoT devices that require low power consumption and high efficiency.
• Industrial Applications: Sensors, actuators, and control systems where reliable power supply is critical.
• Telecommunications: Base stations, routers, and other networking equipment that demand low noise and high PSRR.
• Automotive: In-car electronics, infotainment systems, and other automotive applications where space constraints and high reliability are key considerations.

Conclusion of TPS70939DBVR

The TPS70939DBVR stands out as a high-performance linear voltage regulator, offering a unique combination of efficiency, reliability, and versatility. Its low dropout voltage and low quiescent current make it particularly advantageous in low-power applications, while its comprehensive protection features ensure robustness in demanding environments. The enable control feature further enhances its flexibility, making it suitable for a wide range of applications. For engineers and designers looking for a compact, efficient, and reliable power solution, the TPS70939DBVR is an excellent choice.

TPS70939DBVR Documents

Download datasheets and manufacturer documentation for TPS70939DBVR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification (PDF)      

Models :

TPS70939DBVR Symbol & Footprint by SnapMagic      

Product Catalogs :

Wide VIN DC/DC Power Solutions: Industrial, Automotive, and Comms Applications       Low Dropout Regulators Quick Reference Guide (Rev. P)       Power Management Guide 2018 (Rev. R)       Automotive Wide VIN DC/DC Brochure       LDO Solutions Selection Wheel (Rev. F)       Power Management Solutions Set-Top Box and Digital TV (Rev. A)      

SPICE Models :

TPS70925 PSpice Transient Model       TPS70930 Unencrypted PSpice Transient Model       TPS70936 Unencrypted PSpice Transient Model       TPS70938 Unencrypted PSpice Transient Model       TPS70927 PSpice Transient Model       TPS70933 PSpice Transient Model (Rev. B)       TPS70912 Unencrypted PSpice Transient Model       TPS70925 Unencrypted PSpice Transient Model       TPS70927 Unencrypted PSpice Transient Model       TPS70950 Unencrypted PSpice Transient Model       TPS70915 PSpice Transient Model       TPS70916 Unencrypted PSpice Transient Model       TPS70930 PSpice Transient Model       TPS70918 Unencrypted PSpice Transient Model       TPS70936 PSpice Transient Model       TPS70919 PSpice Transient Model       TPS70938 PSpice Transient Model       TPS70939 PSpice Transient Model (Rev. A)       TPS70928 Unencrypted PSpice Transient Model       TPS70939 Unencrypted PSpice Transient Model       TPS709135 PSpice Transient Model       TPS70928 PSpice Transient Model       TPS70960 PSpice Transient Model       TPS70914 PSpice Transient Model       TPS70912 PSpice Transient Model       TPS70915 Unencrypted PSpice Transient Model       TPS70919 Unencrypted PSpice Transient Model       TPS70960 Unencrypted PSpice Transient Model       TPS70916 PSpice Transient Model       TPS70933 Unencrypted PSpice Transient Model (Rev. A)       TPS70950 PSpice Transient Model       TPS70918 PSpice Transient Model