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TPS72218DBVT from TI,Texas Instruments

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TPS72218DBVT

Manufacturer: TI, TEXAS

Cap Free, Low Noise, Low Input Voltage 50mA Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
TPS72218DBVT TI, TEXAS 3250 In Stock

Description and Introduction

Cap Free, Low Noise, Low Input Voltage 50mA Low Dropout Regulator The TPS72218DBVT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from TI's knowledge base:

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 180mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5 (DBV)  
- **Operating Temperature Range:** -40°C to +125°C  
- **PSRR:** 60dB at 1kHz  
- **Enable Control:** Yes (active high)  

### **Descriptions:**  
The TPS72218DBVT is a low-power LDO regulator designed for applications requiring a stable 1.8V supply with minimal dropout voltage. It features low quiescent current, making it suitable for battery-powered devices. The device includes thermal shutdown and current limit protection for enhanced reliability.  

### **Features:**  
- **Low Dropout Voltage:** Optimized for battery-powered applications.  
- **Low Quiescent Current:** Improves efficiency in power-sensitive designs.  
- **Thermal Shutdown & Current Limit Protection:** Ensures safe operation under fault conditions.  
- **Stable with Ceramic Capacitors:** Requires only a 1µF output capacitor.  
- **Enable Pin:** Allows power-saving mode when disabled.  
- **Small Package (SOT-23-5):** Suitable for space-constrained applications.  

This information is sourced from TI's official documentation. For further details, refer to the datasheet.

Application Scenarios & Design Considerations

Cap Free, Low Noise, Low Input Voltage 50mA Low Dropout Regulator

Alternative Part Number

  • LP2985AIM5-1.8 --: Low-dropout 1.8V linear regulator in SOT-23-5 with similar current capability and pin-compatible function, widely available and often used as a drop-in substitute.
  • MIC5219-1.8YM5 --: 1.8V LDO regulator in SOT-23-5 with comparable dropout and output current, offering a different vendor and series for supply flexibility.
  • AP2112K-1.8TRG1 --: 1.8V fixed LDO in SOT-23-5 with low quiescent current and similar electrical ratings, suitable as a cost-effective alternative from a different series.

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