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TPS79628KTTR from TI,Texas Instruments

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TPS79628KTTR

Manufacturer: TI

ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS

Partnumber Manufacturer Quantity Availability
TPS79628KTTR TI 4335 In Stock

Description and Introduction

ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS The TPS79628KTTR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 110mV (typical) at 500mA  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Accuracy:** ±1% (over line, load, and temperature)  
- **Quiescent Current:** 85µA (typical)  
- **PSRR:** 60dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (KTTR)  

### **Descriptions:**
The TPS79628KTTR is a high-performance LDO regulator designed for applications requiring low noise, high PSRR, and fast transient response. It is optimized for battery-powered and noise-sensitive systems.

### **Features:**
- **Low Dropout:** 110mV typical at full load  
- **High PSRR:** 60dB at 1kHz for noise-sensitive applications  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **Fast Transient Response:** Ideal for dynamic loads  
- **Thermal Shutdown & Overcurrent Protection:** Ensures device safety  
- **Stable with Low-ESR Ceramic Capacitors:** Reduces board space and cost  

This information is based solely on TI's datasheet for the TPS79628KTTR.

Application Scenarios & Design Considerations

ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS

Alternative Part Number

  • LP38692SD-2.8 --: Low-dropout linear regulator with 2.8V fixed output in a similar power package, offering comparable dropout and current capability as a direct functional substitute.
  • MIC29302WU --: Adjustable low-dropout regulator that can be set to 2.8V, with higher current capability and a different series naming, making it a robust alternative for similar rail regulation.
  • LT1963AEST-2.8 --: 2.8V fixed low-noise LDO regulator with comparable dropout performance and current rating, from a different manufacturer and series for easy distinction.

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