Texas Instruments

TPS77133DGK

TPS77133DGK Description

The TPS77133DGK from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed to deliver a fixed 3.3V output with a maximum output current of 150mA. It operates with an input voltage range up to 10V, making it suitable for a variety of power management applications. The device features a low dropout voltage of 200mV at 50mA, ensuring efficient operation even with minimal headroom. Packaged in an 8-pin VSSOP, this regulator is optimized for space-constrained designs while offering robust performance.

TPS77133DGK Features

• Low Quiescent Current (125 µA): Enhances power efficiency in battery-operated systems.
• High PSRR (60dB at 1kHz): Minimizes noise and ripple for stable output in sensitive circuits.
• Integrated Protection: Includes over-current, over-temperature, and reverse-polarity protection for enhanced reliability.
• Control & Monitoring: Features enable pin and power-good signal for system-level power management.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.
• Wide Input Range (Up to 10V): Supports diverse power sources, including unregulated supplies.

TPS77133DGK Applications

• Portable & Battery-Powered Devices: Ideal for IoT sensors, wearables, and handheld instruments due to low Iq and compact footprint.
• Industrial Control Systems: Suitable for PLC modules, motor drivers, and automation equipment requiring stable 3.3V rails.
• Consumer Electronics: Used in smart home devices, audio systems, and peripherals where noise immunity is critical.
• Medical Devices: Reliable for patient monitoring and diagnostic tools owing to robust protection features.

Conclusion of TPS77133DGK

The TPS77133DGK stands out as a high-performance LDO regulator combining low dropout, high PSRR, and advanced protection in a miniature package. Its low quiescent current and enable/power-good functionality make it a superior choice for energy-sensitive and space-constrained applications. Whether in industrial, consumer, or medical electronics, this regulator ensures stable, efficient, and reliable power delivery, backed by Texas Instruments' quality assurance.