Texas Instruments

TPS77901DGK  

Linear & Switching Voltage Regulators

TPS77901DGK Description

The TPS77901DGK from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for precision power management in space-constrained applications. This adjustable positive-voltage regulator delivers up to 250mA of output current with an ultra-low quiescent current of 125 µA, making it ideal for battery-powered systems. It operates over a wide input voltage range (1.5V to 10V) and provides an adjustable output voltage from 1.5V to 5.5V, ensuring flexibility for diverse circuit requirements. Packaged in an 8-VSSOP form factor, the TPS77901DGK is optimized for surface-mount applications where board space is at a premium.

TPS77901DGK Features

• Adjustable Output Voltage: Customizable from 1.5V to 5.5V for versatile design integration.
• Low Dropout & Quiescent Current: 125 µA Iq minimizes power loss, extending battery life in portable devices.
• High PSRR (55dB at 1kHz): Excellent noise rejection for sensitive analog and RF circuits.
• Advanced Protection: Includes over-current, over-temperature, and reverse-polarity protection for robust operation.
• Control & Monitoring: Features enable (EN) and reset (RESET) pins for power sequencing and system supervision.
• Compact & Reliable: MSL1 (Unlimited) moisture sensitivity and RoHS3 compliance ensure durability and environmental safety.

TPS77901DGK Applications

The TPS77901DGK excels in applications requiring stable, low-noise power with minimal footprint:

• Portable Electronics: Smartphones, wearables, and IoT devices benefit from its low Iq and small package.
• Industrial Sensors: High PSRR ensures accuracy in sensor signal conditioning circuits.
• Medical Devices: Reliable protection features suit critical battery-operated medical equipment.
• Automotive Modules: Reverse-polarity protection makes it suitable for automotive accessory power supplies.
• Embedded Systems: Reset functionality aids microcontroller power management in embedded designs.

Conclusion of TPS77901DGK

The TPS77901DGK stands out as a versatile, high-efficiency LDO regulator, combining low power consumption, precise voltage regulation, and robust protection in a compact package. Its adjustable output, superior PSRR, and control features make it a preferred choice for designers optimizing performance in power-sensitive applications. Whether for portable, industrial, or automotive systems, this regulator delivers reliability and efficiency, backed by Texas Instruments' quality assurance.

TPS77901DGK Documents

Download datasheets and manufacturer documentation for TPS77901DGK

Datasheets :

TPS77918DGKG4      

UNKNOWN TYPE :

8-VSSOP      

HTML Datasheet :

TPS77918DGKG4      

PCN Design/Specification :

SOT23, VSSOP Cu Wire 28/Jun/2013       Copper Wire Revision C 24/Sep/2014