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TPS79942DDCT from TI,Texas Instruments

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TPS79942DDCT

Manufacturer: TI

200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator 5-SOT -40 to 125

Partnumber Manufacturer Quantity Availability
TPS79942DDCT TI 4000 In Stock

Description and Introduction

200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator 5-SOT -40 to 125 The TPS79942DDCT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 4.2V (fixed)  
- **Output Current:** 200mA  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Dropout Voltage:** 120mV (typical) at 200mA load  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 17µA (typical)  
- **Shutdown Current:** <1µA  
- **PSRR:** 75dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (DDC)  

### **Descriptions:**  
- The TPS79942DDCT is a low-noise, high-PSRR LDO regulator designed for battery-powered applications.  
- It provides stable voltage regulation with low quiescent current, making it suitable for portable devices.  
- Features fast transient response and thermal/shutdown protection.  

### **Features:**  
- **Low Dropout:** 120mV at full load  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **High PSRR:** 75dB at 1kHz  
- **Low IQ:** 17µA (typical)  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Ceramic Capacitors (≥1µF)**  
- **Small SOT-23-5 Package**  

This information is based on TI's official datasheet for the TPS79942DDCT.

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