TPS79601DCQR

LDO Voltage Regulators High PSRR Fast RF Hi gh-Enable 1A A 595-TPS79601DCQ

# TPS79601DCQR – 1A Adjustable LDO Voltage Regulator – Texas Instruments

## Introduction
The TPS79601DCQR from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator designed for precision power management in sensitive electronic applications. Offering high power supply rejection ratio (PSRR), fast transient response, and robust protection features, this IC ensures stable and clean voltage output, making it ideal for RF, communication, and portable devices. PCX provides this reliable component with fast shipping and dedicated customer support to meet your project timelines.

## Key Features
– **Output Current:** 1A
– **Input Voltage Range:** Up to 5.5V
– **Adjustable Output Voltage:** 1.2V to 5.5V
– **High PSRR:** 59dB at 100Hz
– **Low Quiescent Current:** 385 µA
– **Protection Features:** Over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO)
– **Operating Temperature Range:** -40°C to 125°C
– **Package:** SOT-223-6 surface mount

## Technical Details
The TPS79601DCQR features a positive output configuration with an adjustable voltage range, allowing flexibility in various circuit designs. Its high PSRR ensures minimal noise, critical for RF and analog applications. The enable control feature provides efficient power management, while comprehensive protection mechanisms enhance device longevity and reliability. This regulator is housed in a compact SOT-223-6 package, suitable for space-constrained PCB layouts.

## Applications
– RF and wireless communication systems
– Portable and battery-powered devices
– Industrial automation and control systems
– Medical electronics
– Automotive infotainment and ADAS

## About the Manufacturer
Texas Instruments is a globally recognized leader in semiconductor design and manufacturing, renowned for innovation and quality in analog and embedded processing products. With decades of industry expertise, TI consistently delivers high-performance, reliable components that meet stringent standards for a wide range of applications, from consumer electronics to industrial systems.

The company’s commitment to research and development ensures that products like the TPS79601DCQR incorporate cutting-edge technology, providing engineers with solutions that enhance efficiency and performance. Texas Instruments’ robust supply chain and quality control processes make their components a trusted choice for critical designs worldwide.

## About LDO Voltage Regulators
Low-dropout (LDO) voltage regulators are essential components in power management, providing stable and noise-free voltage output even when the input voltage is very close to the output level. They are particularly valuable in applications where power efficiency, minimal noise, and compact size are priorities, such as in portable devices and sensitive analog circuits.

LDOs like the TPS79601DCQR offer advantages over traditional regulators by maintaining regulation with lower input-output differentials, reducing power dissipation, and improving overall system efficiency. Their ability to deliver clean power makes them indispensable in modern electronics, ensuring reliable operation of processors, sensors, and communication modules.

## Packaging Options
This product is available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging to suit various production needs. PCX ensures all options are stocked for quick order fulfillment.

## FAQs
**Question:** What is the dropout voltage of the TPS79601DCQR?
**Answer:** The dropout voltage is typically 180mV at 1A load, ensuring efficient operation even with low input-output differentials.

**Question:** Can this LDO be used in automotive applications?
**Answer:** Yes, its operating temperature range (-40°C to 125°C) and robust protection features make it suitable for automotive environments.

**Question:** How does the enable pin function work?
**Answer:** The enable pin allows for external control of the regulator, enabling power-saving modes by shutting down the output when not needed.

**Question:** Is a heatsink required for this regulator?
**Answer:** For most applications, the SOT-223-6 package provides adequate thermal performance, but a heatsink may be necessary in high-ambient-temperature or high-load conditions.

**Question:** What is the typical PSRR performance at higher frequencies?
**Answer:** PSRR is 42dB at 100kHz, ensuring effective noise suppression across a broad frequency range.

**Question:** Can the output voltage be adjusted?
**Answer:** Yes, the output is adjustable from 1.2V to 5.5V using external resistors.

## Call to Action
Ensure your designs benefit from reliable power management—order the TPS79601DCQR from PCX today for fast delivery and expert support!

*Note: Product image is representational. Refer to the datasheet for detailed specifications: [PCX-hosted datasheet](https://www.pcxco.com/datasheets/tps79601dcqr.pdf).*