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TPS79915DDCT from TI,Texas Instruments

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TPS79915DDCT

Manufacturer: TI

200mA Low Quiescent Current, Ultra-Low Noise, High PSRR LDO

Partnumber Manufacturer Quantity Availability
TPS79915DDCT TI 6755 In Stock

Description and Introduction

200mA Low Quiescent Current, Ultra-Low Noise, High PSRR LDO The TPS79915DDCT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 110mV (typical) at 150mA  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 17µA (typical)  
- **Package:** SOT-23-5 (DDC)  
- **Operating Temperature Range:** -40°C to +125°C  
- **PSRR (Power Supply Rejection Ratio):** 75dB at 1kHz  

### **Descriptions:**  
- The TPS79915DDCT is a low-noise, low-dropout linear regulator designed for battery-powered applications.  
- It provides a stable 1.5V output with high PSRR and low quiescent current, making it suitable for power-sensitive devices.  
- The device includes thermal shutdown and current-limit protection.  

### **Features:**  
- **Low Dropout:** 110mV typical at full load  
- **Low Noise:** Optimized for noise-sensitive applications  
- **Low IQ:** 17µA typical quiescent current  
- **Stable with Ceramic Capacitors:** Requires only a 1µF output capacitor  
- **Thermal Shutdown & Current Limit Protection**  
- **Small Form Factor:** SOT-23-5 package  

This information is sourced from TI's official documentation.

Application Scenarios & Design Considerations

200mA Low Quiescent Current, Ultra-Low Noise, High PSRR LDO

Alternative Part Number

  • LP5907MFX-1.5 --: Low-noise 150 mA LDO in SOT-23-5 with fixed 1.5 V output, functionally similar to the TPS79915 and widely available.
  • MIC5219-1.5YM5 --: 500 mA low-dropout regulator with 1.5 V fixed output in SOT-23-5, suitable as a drop-in style replacement with different series naming.
  • AP2112K-1.5TRG1 --: 600 mA CMOS LDO with 1.5 V output in SOT-23-5, low quiescent current and a cost-effective alternative from a different vendor series.

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